Raid 5 foreign disk. 3-Right-click any disk marked Foreign.


Raid 5 foreign disk Do NOT I have a PowerEdge R900 server, it has a RAID 5 array, with 3 HDDs. I then found that the raid was in a degraded status and that Disk 2 was in a "Foreign" State. It only deletes the data that describes the virtual disk, so it may still be possible to get the virtual disk back by retagging. NOTE: PERC H310 supports RAID 5 with limited performance and does not support RAID 6 and RAID 60. I should remove the newly added disks 4 and 5 B. The replaced disk is in a ready state, but when we try to make it a hot spare, it fails. hit F2 and import the foreign config *EDIT: you may need to be on the first tab, but somewhere in there you hit F2 and should have an option to import the foreign config. Using the 43. I taught that when I put the working one back then It'll work agan. But it showed up foreign. Again. Both servers support hot-swap, meaning I can replace the disks without shutting down. In the physical disk manager it shows the same as above but that the Disk with ID0 is 'Foreign' What I want to know is do I have to force disk 0 to go online and rebuild the array? (or will I mess things up further?) How to use BlackArmor Manager to identify a failed RAID 5 volume, move/replace a failed drive in a failed RAID 5 volume, and recover a RAID 5 volume. After that, all the existing volumes on the foreign dynamic disk will be visible and accessible. I will describe mine concisely. Go back to the Main Menu and select Configuration Management, And then go to Manage Foreign Configuration. I removed all but one. I bought a new 300 GB disk, when I connected it, it appears in the Foreign state in RAID utility. What is a RAID?RAID, short for Redundant Array of Independent Disks, is a storage solution that integrates several physical drives into one cohesive system, delivering improved performance, redundancy, and often greater storage capacity. Click “Next“ Step 2: Choose the method of adding a dynamic disk for scanning. 8 drives Data drives. Can you boot the server to PERC configuration utility and check the foreign disk page. I had a second PE2950 with identical hardware but a completely different RAID configuration. Failed. Dell powerEdge R620 Foreign configuration found on adapter. Here, you should see the disk in Slot 5 listed as a Global Hot Spare. Step 4: Verify Disks and RAID Status After importing the foreign configuration, verify that: All attached disks are detected. 3-Right-click any disk marked Foreign. After a power failure the other day it came up saying that the RAID array was a foreign config. The RAID 1 virtual disk holds the OS (C: drive) and the RAID 5 virtual disk holds the data (D: drive). 2tb ST1200MM0088 (2. 2 Recommended is RAID 5 or RAID 6 using all the drives, then using RAID virtual disk to carve out the 3 partitions from the RAID 5 array. All, My Lenovo workstation (RAID 5 & 4 disks) keeps rebooting and does not pop up the log in the Linux window. and the migration started. Normally you would have been able to just plug in a replacement drive and things would have automatically rebuilt but it sounds like the entire array is trashed. Hello Experts, We have a Dell R720 Server with 4 HDD configured in RAID 5. We imported the foreign config, two drives showing online and one showing rebuild. Rebooted installing an update and saw the “Foreign Config” Message. Rebuild the RAID array if required (this does not delete data). Is this normal behavior when importing a foreign disk configuration large raid 5 array? I thought ONLY used when an array is OFFLINE (non-functional/failed). IF ALL THE DRIVES ARE ORIGINAL DRIVES TO THIS ARRAY! : Boot to your CTRL-R utility, highlight the controller Our perc 5/i with a raid 1 configuration in a PE2900 had a virtual drive 'degraded'. 00GB Physical Disk 0:0:3 Foreign Execute SATA HDD AX001U 931. RS RAID Retrieve offers three options to choose from:. When I go to OpenManage, I can get to the Controller Tasks to clear the Foreign disks, I get this: “The controller has physical disks that contain one or more virtual disks that were created on another system. The “Foreign” state means the controller has detected a raid signature on this disk from a previous configuration. Check the cables and make Aserapig_2, When you clear or import the foreign you are not doing anything to the data on the drives, what it is clearing or importing is the raid configuration data. The virtual disk had 3 physical disks with RAID 5 and 2 hot spares. Faulty RAID1 disk now shows as foreign. If you are moving spanned, striped, mirrored, or RAID-5 volumes, it is highly recommended that you move all disks containing the volume together. Based on what you've shown, it looks like VD0 is working because disks 0 and 1 are present, and VD1 is working because disk 5 is present. Replace its drives with the ones i have dell 2950 whose having two vds disk 0 & 1 RAID 1 and disk 2,3,4,5 Raid array. Let me know what you Tip: fix RAID foreign disk issue Minimum Number of Drives for RAID 5 Essential Configuration: Why RAID 5 Requires a Minimum of Three Drives With three disks, RAID 5 can tolerate the failure of a single drive Choose 'Foreign/Clear' from the dropdown menu. ), then delete your RAID 5. The RAID 1 array is fine. Under Foreign View: the disk group: 0, Raid 5 (foreign). 00 GB. Import foreign disks is grayed out. The thing that confuses me is how the controller thinks that VD1 is a RAID-5. Now we are trying to import foreign configurations from the two disks. VD1 had a failed drive (RAID5 with 6 disks) so we replaced it with a same size/speed drive from another server that has been retired. I do have an existing raid-5,my assumption is to import the foreign config to preserve my current raid, clear will wipe out all the disks. The array looks fine and is in an optimal state, and ESXi 5. When I log into the Dell OpenManage Server tool, I can see the new hard drive (System - Expanding on the principles of RAID 5, RAID 6 enhances redundancy by incorporating dual-parity blocks across its drives, allowing the array to tolerate two simultaneous drive failures. This level of redundancy makes RAID 6 ideal for critical applications where data loss would be catastrophic, such as archiving and high-availability storage systems. Hello community, I currently have my RAID 5 running with 3 sas 300 GB drives, it works fine. I then imported the now foreign array. Specify the group and click OK. Now, however, I can't actually add the new disk to the RAID. Then Hi everyone! I have two servers with identical configurations, each with 8 disks set up as RAID 1 pairs (disk #1 is mirrored with disk #2, disk #3 with disk #4, and so on). If i press enter it show me that there is 2 missing disk, disk number 2 and disk number 6. Click Import Foreign Disks and then follow the on-screen instructions. When looking at Dell Open Manage it is because both disks show as state = foreign. I thought that perhaps I could try to recover the DG. What are you trying to achieve by using RAID? About the only advantage it offers is 24/7 operation without having to take the computer off-line (that assumes that you are using a proper stand-alone RAID card - expensive - and not the Micky Mouse RAID provided on some motherboards; RAID 1 writes to two mirrored disk drives and can handle twice the number of reads than a single HDD. How to recover from foreign config on DELL raid 5 array Based on this question about RAID-5 for 5 disks: Two disks failed simultaneously? Sorry if I butcher some of the terminology. In order to use the disk we [] perccli64 /c0/v0 start migrate type=raid5 option=add disk=32:2. I have four 1TB HDD configured in to raid 5 All oof the sudden the one my drive was missing. If you have another server/PERC available you could connect the drive and clear it’s config. Reasons of why? this happens. If it's just a "dumb" hardware raid - NOPE! Stay away from that crap. RAID 6: RAID 0: 4 or more: 4 or more: Yes: Converts to a nonredundant virtual disk and reclaims disk space that is used for distributed parity data: RAID 6: RAID When dynamic disk shows as foreign status, the data on the disk will be invisible. Installed SQL and rebooted. ; Figure 7: Preview Foreign Configuration Check if the status of the virtual disk displayed on the "VIRTUAL DISKS INCLUDED AFTER FOREIGN CONFIGURATION IMPORT" is Ready or Degraded and then Launch the application after installing. Will the new data be copied to the rest of the hard drives in the Raid 5 Drive Group : 1 , RAID 6. Physical Disk 3 shows a state of Foreign. If you have a 3-disk RAID 5 and two disks are foreign (or one foreign and one failed or missing), the RAID 5 is dead/offline. I have a Dell 2950 PE with the Perc 5 raid controller running server 2008 r2 sp1, a separate boot drive, and a raid 5 configuration with 5 2T WD drives. Here's a brief overview of the most common RAID configurations: RAID 0: During the restart process one drive came up as a foreign disk. Click on Preview Foreign Configuration, followed by Import Foreign Configuration. " page 54 - "The section Importing or Clearing Foreign Configurations Using the Foreign Configuration View Screen contains the procedures you can use to RAID 5 Physical Disk shows Foreign status on Dell OpenManage. At present, disk 0,1,3 are in a RAID 6, however disk 2 is in a "Foreign" State. 5, SAS 12Gbp 10K) disks in multiple raid 5 partitions. Right-click any disk marked Foreign. Recent Dell PERCs are rebranded LSI/Avago/Broadcom MegaRAID SAS controllers, and therefore all LSI techniques and tools apply. The disk reconstruction will begin and the progress will be displayed. However we now have a server that wont boot and in the Perc Config we have disks listed as "missing" / "foreign" What do we do here to avoid having to reimage and rebuild from backups? Edit: RAID 5 - 10 Disks I found one of the three disks (disk 0:2) status as "Foreign". I’ve taken pictures of the different screens to provide all the info I have: At boot time the server cannot find any drives. All drives need to be only & ready to create a new virtual disk. Here is a comparative table that outlines RAID 6 and how it stacks up against other popular RAID levels like RAID 5 and RAID 10: RAID 5 : Fault Tolerance : Can only tolerate the failure of one drive, which might not be sufficient for mission-critical data storage where additional drive protection is necessary. Raid-5 stripes the data across the disks is there isn’t recoverable data. Hello, I’ve a RAID5 on a DELL RAID controller with two disks in a foreign state. Related Digital Watchdog VMS Apps: DW Spectrum IPVMS. 27 TB = 29. This means that in a RAID 5, you can lose ONE disk and still have your data be accessible. It says that one of the disks is missing. To bring a foreign disk back to an online state depends on the original context of the disk. Quickest fix here is to create a new RAID array (RAID10 is preferable) and restore the data. Please "C' to load the configuration utility. The 1 disk failed and was replaced. You can preview I’m working on Dell R310 server (Win 2008 R2 x64) with a PERC H700 Adapter and it is configured for RAID 5 with 3 physical hard drives (SAS Seagate 300GB drives). I have attached the pictures . Now press F2 to perform operations on the Intel® RAID Controller. So this seems to be the result of a firmware bug where trhe raid controller actually split the volume group into two dysfunctional ones, and therefore, mergign seems impossible. ) or everything Actions: I ran the PERC H710 BIOS Configuration Utility and under VD Mgmt Menu we have "No Configuration Present !". How to use BlackArmor Manager to identify a failed RAID 5 volume, move/replace a failed drive in a failed RAID 5 volume, and recover a RAID 5 volume. So, concentrating on RAID 0 I established disk 2 was blinking green two times per second which suggests a ‘preparing for removal’ status, disk 3 was blinking Used RAID Disk Space 0. You will see all available physical disks with foreign configurations. When I booted into regular Windows, in Disk Management it first didn't say much about the drives, but it said they needed to be like claimed or registered to this computer or something (edit: checked again and it says "foreign" on it, and if I right click then I press "import foreign disk"), so I did that and then it recognized them as Raid-5 Foreign Drive Configuration-----Affected Roles: Owner, Administrator. Configuration differences. what they are implementing is called 'pools', which is not a raid 5, but something different and probably proprietary from microsoft. 2-Click Action and then click Rescan Disks. But to blow away a RAID 5 and start from scratch everyone knows you hit CTRL+R at boot and blow the virtual away and or just format. Then configure your RAID 5 again, using the exact same settings, but do NOT check the Advanced (or Initialize) box. This will prevent you from using the disk before the foreign state is cleared out. &nbsp; Per dell server administrator a drive had a 'foreign' state. Automatic mode – allows you to simply specify the drives that made up the array, and the program will automatically determine their A RAID 5 array is composed of multiple disks, typically three or more. 5″ drive bays and we have 8 x 3Tb SATA drives in a RAID 10 configuration. It's a good compromise if you don't want to or can't go raid6 / raidZ2 / dual-parity. If I go to create a new virtual disk, disk 14 is not available. My question is, is it possible to take another hard drive with NEW data on it, and replace one hard drive in the NAS with the new hard drive. This is because atleast 2 drives are required for striping, and one more disk worth of space is needed to store parity data. (Know now not a good thing to do. I would advise that you check the front of the server and ensure the drive bay has a red or warning light lit up and pull the drive out with the light indicated and replace it. Was trying to configure automated sleep and wakeup times and during this configuration the RAID 0 crashed. Megacli是一款管理维护硬件RAID的工具,有LSI公司提供,LSI公司的raid卡,使用的比较广泛。我们可以通过megacli了解当前raid卡的所有信息,包括raid卡的型号,raid的阵列类型,raid上的磁盘状态,也可以通过它来直接创建阵列,在线添加磁盘等。一,Megacli工具安装 Some times when you replace a disk you may find the new disk marked as “Foreign”. We had multiple disk failures on the RAID 5 array, three of them failed their SMART self test, and the other two also reported bad blocks in the logs. That is your only option. After logging into the MegaRAID, I found that the RAID configuration is missing (see image below); yet, a Foreign view lists the old RAID configuration, but there is no clear way to restore it (see pictures below). To import the foreign configurations on the replacement disks, take the following steps in order: Execute the command raid foreign-config import to enable the importing of foreign configurations. The PERC should recognize the old disk as foreign but I understand not wanting to take a chance. RAID 0 and RAID 5 are completely different. Now the disk receives the “basic” status, and it can be partitioned and used like any other disk. Then, I My server Dell Power Edge 720 with 12 disks and raid 5 won't boot this morning, the screen show this message "Foreign configuration found on on adapter" When i press enter, it open the PERC configuration utility and i can see the virtual disk in red. It should move one from foreign to online and leave the other as failed leave things as is until you can confirm the OS boots and is ok, then you can rebuild the remaining disk. The problem with this - particularly and especially when you start talking about multiple VD's on the disks - is that you MUST configure RAID to the exact same settings as originally set up (size, disks, stripe size, etc. I would clear or import the foreign configuration on the drive then The virtual disk is offline. How do I get this new card installed without having to rebuild this server. 3, and swapped drives 2 & 3 to try to verify if it was a drive or server problem. Windows still booted though. 08 TB, but according to the wizard, it says 24. ) For 3 or 4 If the new drive is used previously on another RAID then it will show as Foreign when inserted on another server. Changed the SATA and power cable on one drive an poof it was back online, only in foreign disk mode under disk manager. I do not understand what the utility needs. Thanks • Offers RAID control capabilities which include support for RAID levels 0, 1, 5, 6, 10, 50, and 60. Only 2 of 3 drives listed. striped volume, mirrored volume and RAID-5 volume from dynamic to basic disk sector by sector. Additional considerations. Replacing Drive In RAID 5 - Disk Reads Offline. There may be some scenarios where after a storage drive has been replaced or re-seated in a RAID configuration to rebuild but will be detected as a “foreign Hi, and thanks in advance for your help. Choose 'Reconfigure' from One or more RAID disks have failed: If your RAID array has experienced a disk failure, particularly in RAID 5 or RAID 6, the software can reconstruct the lost data from the remaining disks. Another foreign disk was reported, this time disk 3. Lose a second, and it’s dead. This disk is showing as foreign and I can’t add it to the VD1 group. Step 5: Foreign Configuration. - Run O&O and select import for each of your disks in the broken array. Note that the array will not be available yet. I need to perform the following operation: swap two disks (#3 and #4) from the first server to the second server via Since we have installed 4 new disks ,So we plan to create new RAID ,But we seen 3 disks showing as Foreign disk and one disk shows as Online. It’s a reminder of be the limitations of raid-5 and that it’s not a This is what helped me (Windows 10) to reformat a hard disk drive which was previosly in a RAID 5. &nbsp; Not sure if the drive was bad or not, w if you make it a hot spare, it will be used by the degraded virtual disk and it will become 'on line' when the rebuild completes. I'm in a similar situation, except my foreign disk does show SMART errors. Once highlighted, press F2 to open up a drop menu with a number of options. ; Click Manage Foreign Configuration. Right-click on one of the disks and select import foreign disk. The management screen shows all of the disk groups and virtual disks created on the raid controller. I thought disk failure Bye Bye data. This showed all disks in the foreign config (there are a number of single raid1 volumes, too): there are two raid volumes with 5 and 7 disks. The data is divided into blocks and striped across all the drives in the array, with each drive storing a portion of every block. Right-click the foreign dynamic disk and select the Import Foreign Disks option from the context menu. I started to get a flashing yellow light on drive No. There are offline or Page 19 - "When a controller detects a physical disk with an existing configuration, it flags the physical disk as foreign, and generates an alert indicating that a foreign disk was detected. I had a 4-disk Raid5 with one disk failed. Review the new virtual disk configuration. Select the current raid level of the current disks. The other two slot-1 & slot-2 HDD are showing Online. Only one option is let, retagging the disks. this would In any event, your raid set is "not functional" (your virtual disks are offline) so based on Dell's instructions that you have found, you should "import" the foreign array and hope it adds it back in to the existing raid5 array without too much Raid 5 with 2 Foreign disk . Back on the main menu, go to the "Configuration Management" option, and then go to "Manage Foreign Configuration". When i looked into the problem I found that one hard drive is marked FORIEGN. You should take a look into the virtual disk config and verify how many disks was initial used in the RAID. I have the PercH310 in my heavily modified T3600 case so to determine, which disk actually failed I made the mistake and unattached two of them. Step 4: Tick the disk which you want to convert and then click Next to continue. A message will ask you if you want to proceed. Click finish. In Disk Management, right-click the foreign disk and select "Import Foreign Disks". Press any key to continue, or ’C’ to load the configuration utility or ’F’ to import foreign configuration(s) and continue. Can I go into the Raid card and import the foreign config back into the array without blowing it? Causes of Foreign RAID Disk Issues. You can preview all recovered files absolutely for free. it indeed seems like raid 5 is only possible within windows server, unless you buy a dedicated raid card, which are not Hit "F" to import foreign configuration and continue. 4-Click Import Foreign Disks and then follow the on-screen instructions. 拔插更换硬盘后,出现foreign raid的提示。 告警描述:The [arg1] disk arg2 has foreign configuration (SN: arg3, BN: arg4)。告警ID:0x02000029; 解决方案. we had a disk fail in our Raid 5 setup on our old PowerEdge 2950 now we have re-seated the failed disk and it rebuilt ok but in the raid controller screen I can see 2 foreign disks but no hot spares PowerEdge 2950 PERC 6/i - RAID 5 FOREIGN HDDs QUESTIONS. Import foreign disk in Disk Management. as far as i can tell, it is basically a bunch of disks with parity - nothing more. windows (not server) does not implement raid 5 at all. Note: Because a volume can span more than one disk (such as with a mirrored or RAID-5 volume), it is important that you first verify your disk configurations and then move all the disks that are part of the volume. The controller is able to detect raid 5 configuration on the disks but it says that it is not importable. Along with that data, it writes "parity" data across the disks with the actual data so that if one disk ever goes missing, it can use the data and parity to calculate what data is on the missing disk. 00 GB Span Count 2 Block Size 512 bytes Bus Protocol SAS Media Type HDD I then removed the two RAID 1 drives, and reinstalled the six RAID5 drives, the ESATA drive, and the 2TB SATA drive, in the same order and locations. Now the issue is I can not start the Rebuild process, only option I get is the I have an older server with a four disk RAID 5. you cannot make a disk 'on line' just by changing the status. Before doing that, yes, it is better to check in RAID controller what happen to the drive, it could be in foreign RAID 6 (minimum of 4 disks) is similar to RAID 5, but RAID 6 arrays include two independent parity datasets instead of one that is striped separately across all disks in the array. I’ve since replaced disk 5 with a new disk and RAID 1 has successfully rebuilt, but RAID 0 is still down and I have no OS to boot to – so am still locked out of access to the data. On front of this drive is steady green light but no activity. Understanding the common causes of these issues is essential for effective troubleshooting and maintaining the integrity of your RAID arrays. Now on the reverse side, if the Virtual Disk is NOT booting then you would want to IMPORT the foreign, which tells the raid controller to scrap its own raid configuration data and to use (import) the configuration data from the drive, this is because again if the controllers configuration data was right it would be booting. You should use same-size drives because if you use I tried previously to create a Storage Space using only 5 disk of the 6 to see if the extra disk is the issue, but the problem remains the same. DiskPart -. Most of the configuration can be done from this screen by highlighting the very top line, which will reference the H730 controller. When you clear the foreign configuration you are deleting the virtual disk. Good day! I have a PowerEdge R620 server with a PERC H710P Mini (Embedded) RAID controller. However, drive 1 seems to have failed during (or right after) the migration, and now we have the following situation (see attached photos): The VD configuration in the controller is cleared. When I tried to clear Foreign configuration ,if you look at “Foreign configuration Preview”, it shows Layout as RAID-10 for 2 disks and RAID-5 for one disk for new disks . Due to this server being in a remote office to me, I got someone As mentioned earlier, a RAID 5 array requires 3 disk units at the minimum. Please suggest what step will save my Raid 5 without loosing data Thanks, Erman. To name a few: megacli is for configuring anything (creating/removig/reshaping RAIDs, replacing disks, reading logs, updating a firmware of the controller and so on), it's old and obsolete, but it still works, with storcli being a Right-click on the disk icon, then choose Import foreign disks. RAID 5 also offers improved write speeds since the write requests are coming from all connected drives. I'm trying to replace one of the disks (it failed) with a disk from another identical server. USB Management console -. Click Preview Foreign Configuration. when you have a two disks failure in a RAID 5 it is possible to recover the RAID, it is important to know the order in which the drives failed, if the last drive failed it is not physically damaged you just need to put it online, the VD will be on degraded state but you will have access to the data. Initially, 2 disks were online, whiles 2 disks had the foreign state. Of course, that is only one drive; you can work well and not notice any kind of data loss. The caching options and size don't matter. I am upgrading my Perc 5 to a Perc 5i (allegedly lets me have hot spares and power management). Select the disks to include in the RAID 5 array. Drive 0 was the perpetrator. 1 Find answers to I need help recovering from RAID 5 disk failure from the expert community at Experts Exchange. Select the "RAID Controller", and it'll direct you to the main page. My options are to clear or import to bring the online. RAID 5 in general is dead, do not use it. A RAID 5 stripes your data across all 8 physical disks. However, the amount of disk space required by RAID 1 can make RAID 5 a more appealing option. RAID 5: RAID 6: 3 or more: 4 or more: Yes: At least one drive must be added for dual distributed parity data. Click continue. It's RAID5, one failed disk, one foreign. Happy days right? Come this morning people complained ‘server is down’. The server has 4 600GB SAS HDDs. 1 OS boots from. You must import in this case. With traditional RAID 1, data is spread linearly – a given sector on the RAID volume will be written to roughly the same place on all physical drives. The server now goes and starts to boot up windows, but then just reboots itself. "We" cleared the foreign disk, and now the server will not boot, nor will it let me add the disk back to the raid. - Boot back to your primary operating system and make sure all the disks are online. It is comprised of 12 hard drives (3TB each). It depends on the actual raid implementation. none of the above, A user checks the free space in a folder, Y:\BusReports, and notices that 3 GB of disk space is reported as available. The usable storage in a RAID 5 setup can be calculated with (N – 1) x (Smallest disk size). When I put the 5i card in and connect the drives, it does not recognise the previous RAID configuration. Is my data lost? Hello, I imported a raid 5 foreign configuration into a new server, I noticed that one of the virtual disks is listed on the main bios configuration screen as performing background initialization. 1 - Ready state. It will run fine until it just totally dies, but totally dying is the assumption. Called Dell imported the foreign array on a Dell 2950 and it worked. This has kept RAID 1 as one of the most favored configurations and, in terms of speed, it can outperform RAID 5. You can use a free trial of RAID Recovery to evaluate your You are confusing RAID levels. Understanding RAID and Its Challenges. Select Physical Disk Management. Incorrectly Inserted or Replaced Disks As the information stored on that disk is not important, you should import the disk with the “Disk Management”. They sent 2 replacement drives To start recovering your data, documents, databases, images, videos, and other files from your RAID 0, RAID 1, 0+1, 1+0, 1E, RAID 4, RAID 5, 50, 5EE, 5R, RAID 6, RAID 60, RAIDZ, RAIDZ2, and JBOD, press the FREE DOWNLOAD button to get the latest version of DiskInternals RAID Recovery® and begin the step-by-step recovery process. I don't know whether to select "Import foreign config or Clear foreign Go to "Device Settings" on this page. One of them failed and according to my co-workers, the drives should be hot swappable. 3. If you replace a failed/foreign drive with a new one, and the new one is flagged as foreign and you import, you will corrupt your Hi, Potential disaster here! Yesterday I discovered a hard drive had failed in a Disk Group running RAID 5. I finally got in the last drive the other day, and, not surprisingly, it has some foreign config on it from the last array it was part of. Because the disks failed together so quickly, I suspect that they're not the real problem. If one or several Looking at the picture that you posted the drive that is located in 0:1:1 is showing as foreign. Click "Physical Disk Management". Use Professional Tools. If you do not move all the disks, the Ignoring a few unrelated JBOD drives (which seem fine), the defined DG was RAID6. and recreate the virtual disk without reinitializing it. Locate the replacement hard drive from the list provided (it should be listed as Foreign) and click on the Claim Disk icon. So far everything has gone fine. 2- Foreign state. I have a large array for storage that has two drive 5 and 7 that went into foreign state after a power outage. I have one OS drive set up and was in the process of adding more drives to create a couple of arrays. Click Physical Disk Management. 1 booted properly. RAID5 with 5 disk, it should be: (5-1) * 7. 2. Raid Status - Online vs Ready vs Foreign. In RAID 1, the configuration is slightly simpler than in RAID 5. When the user checks free space in Y:\BusReports\Archive, he notices that 5 GB of disk space is reported as available. So I wanted to replace the disk. The status will change when the disk has been properly integrated on the VD and all the data (and parity) written to it. Hello all, I have read through a number of these posts on the Dell Community regarding this kind of situation. 00GB Disk Management console -. I rebooted the device, and now the disks are marked as "foreign": Click Configuration Management on the Main Menu screen. The import operation will . . Right-click the necessary disk, select “Import foreign disks”, and click OK for the warning saying that all data will be lost. 0. Get to RAID Utility. RAID 5: RAID 5: 3: 4 or more: Yes: It increases capacity by adding disks. Adding more space at the end of the RAID volume means adding more space at the end of all physical drives. Most people who set up RAID 5 do so because they want an edge in data loss scenarios. Minimum drives for RAID 5 is 3. The latest method to recover data from raid 5 with 2 failed drives is the safest and most efficient. Import foreign disk by using DiskPart The new disks are now listed under selected physical disks. If it's backed up by some block-level aware like ZFS raidZ - go ahead. I am not sure what I have to do. Configure the stripe size (common sizes range from 64KB to 256KB; the optimal size depends on the workload). Drives come up green but will not boot. I got a warning that the disk was foreign, but I cleared the foreign config. When I look at Virtual Disk 0 it shows a status of Degraded and when I drill into it, I only see Hello, I am having a Dell PE2900 with perc 6I controller. Reason: "classic hardware raid" can (and does) suffer from silent data hi. Unfortunately the wrong disk was pulled and the new one inserted. Case 2. Hello all, been awhile since I have been around dell hardware and had a few questions. The drive needs to be in the array. The foreign configuration has drive 0 online, but drive 1 offline. As the result the RAID-10 virtual disk is degaded state now. So after running the Clear operation, the list of foreign disks was gone but the bad disk still has the caution symbol on the status and it says ready. Hot Network Questions Transcendental I suggest to import the config to get disk in slot 7 back into the RAID and deal with the ghost in #1 later. A window opens, asking you to confirm this request. recreate the RAID 5 array D. To access data on the disk, you must add the disk to your computer's system configuration. 5-Any existing volumes on the foreign disk become visible and accessible when you import the disk. RAID 6 can withstand the failure of two drives at once, and this property makes the array as resilient as possible. I have 2 disks on the raid, and it fails. The built-in “RAID constructor” will open in front of you. RAID Disk shows foreign status after being removed and I have 4 300G disks in a RAID5 configuration on a Dell Poweredge 2950 with PERC 5/i. Its likely that the three unconfigured disks have had the data corrupted which has resulted in data loss. Click Action and then click Rescan Disks. When the third disk failed, the DG was taken offline. This has been rectified and the old disks put back in the correct order. I have a Dell Poweredge R730XD with 24 x 1. I know that raid5 can withstand 1 disk failure and the controller can rebuild data if the failing disk is replaced with a new disk. You can preview When you need to rebuild a RAID 5 array and why you need to back up. After the power cut, one of the drives ended up in a “FOREIGN” state but when below in the video one can see that all harddrives show a green light so the drive is not degraded per se. It will have details Figure 3: Selecting the virtual disk Check the information about the RAID Level, Status and Size, and then click View Associated Physical Disks. etc. 6. I replaced said drive. Let me start with clarifying a Foreign Configuration and other details. Last Edit: March 5, 2024----- Unrecognized Foreign Drives. RAID 5, in this setup, you should assume that every few years you will have data loss - complete array failure. The new RAID controller will see those disks as "foreign", but you can import the foreign config and it will work just fine. RAID 0 data partion, software raid under windows 10, dont ask why raid 0. Please help. Regards, Coré #iwork4dell To import the foreign configuration, use the up arrow to select the Intel® RAID Controller. I have an MD1000 attached to a PowerEdge 6850 and I have 1 drive that is Foreign. It is related to purchasing the professional application DiskInternals RAID Recovery and recovering data from an array (including RAID Server failure recovery) using this assistant. Checking Dell open manage I could see the new drive was accepted and was being rebuilt. ; Figure 6: Manage Foreign Configuration. The drives are put into a foreign configuration when they fall out of sync with the rest of the virtual disk. 问题描述. Originally had three disk drives; I replaced one in predictive failure about a year ago and also added a fourth to the array back then. Currently it is operating with only 2 HDDs since 1 HDD failed, what is the correct way in which I should install the new HDD (not Since the issue occurred during the expansion from 3 disks to 5, your suggestion is to use the original 3 disks for the retag, right? That means A. Here, some hard drives are merged into one by parallel merging: the read/write speed of this array will be the same as that of a single disk since the read/write information is performed on both disks simultaneously. Hit C or any key to. Do I import the foreign drive? • Offers RAID control capabilities which include support for RAID levels 0, 1, 5, 6, 10, 50, and 60. We encountered a disk failure in the slot-0 state as Failed and for some reason the state of slot-3 HDD became Foreign. I have a Raid 5 Network Attached Storage device that has data on it (video files). Then below: All of the disks form your previous configuration are gone. Rebuilding a RAID 5 array is necessary in cases where one disk of the RAID 5 array stops working, even if it does so temporarily. After that, any existing volumes on the foreign disk become visible and accessible. ; Figure 4: View Associated Physical Disks Check physical disks that are part of the virtual disk Thanks for your reply. I have an older Dell server. Only physical disk 15. There is raid configuration information that is stored on the controller, as well as 1-On the new computer, open Disk Management. I've been reading about "clear or From last week, third hard disk of RAID-5 shows status as "Foreign". @chriscichon3. To fix this issue, you must import foreign disk or convert dynamic to basic. clear the foreign configuration on the first 3 disks C. 27 TB and that's correct. The system was performing a backup when suddnley has rebooted and showed the message: Foreign configuration(s) found on adapter. i checked that disk 4 shows amber light . If the new disk's status is 'Ready', go to OMSA (OpenMange) > Storage > PERC > Virtual Disks. The RAID volume status is Optimal (or equivalent). The generally terrifying phrase “foreign disks found would you like to import” normally means that something is out of order and it wants you to import the on disk information and let it rebuild the A PE 320 with the same H310 controller with 4 600gb SAS drives in a RAID 5 (yeah yeah I know). So if yours isn't booting to the OS then I would go to the Raid controller and then Import the Foriegn configuration for there. Select this disk and change its state to Online. There wasn't anything important on the RAID disk. Otherwise, the RAID 5 Physical Disk shows Foreign status on Dell OpenManage. Then disk should enter a 'Ready' state. • Provides reliability, high performance, and fault-tolerant disk subsystem management. I simply moved all 8 disks to the same positions in the second server. RAID Disk shows foreign status after being removed and inserted into the wrong slot. There’s no data on this VD so it’s OK to wipe and reconfigure which I did with no luck in adding this The RAID 5 can cope with one of the disks failing. 00 GB Available RAID Disk Space 2794. Poweredge T420 configured with PERC H310 RAID 5. Step 5: Boot into OS Once the RAID configuration is imported and marked as optimal, boot into Windows Server. How can I clear this status, and rebuild the hard disk without affecting other hard disks, or RAID go to the foreign view tab by hitting Ctrl-N. I have a backup. You get a pop-up menu for Foreign Config. Stubborn Foreign Disk on PERC 710 raid controller. RAID 1 also has slower write speeds We have an old PE2950 that was just about to be decommissioned and were told that nothing of importance was on it. So I went into the PERC 5 configuration utility, and it does not give me the option to delete the foreign data. Recently, in the OMSA, one of 8 physical disks (in total I have two virtual disks RAID-10 with 4 physical disks in each) has a state "Foreign", and the virtual disk 0, in which it is included (Span 0), has state "Degraded" and Physical Disk (ST91000640SS) is not To start recovering your data, documents, databases, images, videos, and other files from your RAID 0, RAID 1, 0+1, 1+0, 1E, RAID 4, RAID 5, 50, 5EE, 5R, RAID 6, RAID 60, RAIDZ, RAIDZ2, and JBOD, press the FREE DOWNLOAD button to get the latest version of free RAID recovery software and begin the step-by-step recovery process. Press Enter to open the Yes, it works! I just had a mainboard failure on an old PowerEdge 2950 with a PERC 6/i controller; drives were set up as a mirrored pair a five-disk RAID 5 set and a global hot spare. Name State Bus Protocol Media Revision Capacity Physical Disk 0:0:2 Foreign Execute SATA HDD AX001U 931. From an idrac I see some disks that are showing up as foreign. Shutdown the appliance. The Clear Foreign Configuration task deletes these foreign virtual disks. 4 of the drives have shown up as foreign. RAID 5 has single-disk fault tolerance. RAID level, and member disks as before. I have installed another server "SERVER B" with the same specification and installed everything identical to SERVER A (Same RAID schema ). Select the option to create a new RAID array and choose RAID 5 as the RAID level. hey spiceheads, We have a T610 with two virtual disks (0 &1). In OpenManage status of this drive is "Foreign" other two drives are "Online", system is working fine but I know I have to fix this ASAP. Why is a double disk failure an issue for a 5 disk Raid 5 configuration? Even with 2 disks offline, I The method you describe is called a "retag", and it is designed to recover a RAID array whose configuration has become corrupt or deleted. Attempting to import the foreign configuration shows it as two RAID5 volumes with only one disk in each and two missing disks. Removed that drive and replaced with a brand new drive. We had a 3 disk raid 5 Dell server with a perc 5/i controller which came up with foreign configuration found. ok now i replaced it with another drive but it shows me as"foreign disk" someone told me you have to clear this - Next morning, i rebooted the server and entered the Raid controller BIOS. Step 5 To start recovering data from RAID (RAID 0, RAID 1, 0+1, 1+0, 1E, RAID 4, RAID 5, 50, 5EE, 5R, RAID 6, RAID 60, RAID 10), RAIDZ, RAIDZ2, and JBOD, press the FREE DOWNLOAD button to get the latest version of DiskInternals RAID Recovery® and begin the step-by-step recovery process. My assumption is that the Tier 1 support pulled disk 2 out and may have tried to swap with disk 1. Accidental deletion or Create RAID 5 Array: In the RAID controller BIOS/UEFI, navigate to the RAID configuration section. 更换新硬盘后,待服务器完全上电,在BMC页面导航栏中选择“系统管理 > 存储管理”,删除原先的Logical Drive 0,再选择下列任意一种方式进行操作: The question relates to foreign arrays in a RAID 5 config. In the next window, the system will list the volumes it has found on the disks, so click OK to confirm it. Device Manager -. One disk has failed - I have a brand new ST1200MM0099 disk available to replace the faulty drive. where as the next one is showing Ready . However, once you get this running, it is imperative if you feel that this data is important, that you not use RAID 5. Method 2. Foreign RAID disk issues can arise due to various factors, often related to hardware changes or configuration mismatches. From the perc 5/i RAID BIOS I hit F2 on the controller but “foreign config” is not selectable so I have no way of clearing the foreign config. WIN+R; type in cmd and press enter; start diskpart from console; list disk and identify the hard disk drive (normally the physical size is shown) ; select the drive with select disk <NUMBER>; wipe the disk with clean; create a primary partition on the disk with create Hello Guys, I have tried to recover the virtual disks using the foreign config, but the utility refuses to import. Press any key continue or "c" load the configuration utility or "f" to import foreign configuration and continue. The NAS is hot swappable. quiky87, you The RAID array is seeing three disks as missing from the RAID 5 array. If it were one of the disks in the data-housing RAID-5, I would quite happily wander into the server room, take the drive out and replace it with a new one, and wait for it to rebuild. If your virtual disk is currently RAID-5, make sure you select RAID-5. 6 TB as total pool, each Disk contains 7. So in your case, I expect that the controller will simply ignore the final 2 TB of the disk until all disks have Disk 0 in the RAID-1 configuration has failed, with the Virtual Disk showing as 'Degraded' in OMSA and the physical disk showing as 'Failed'. RAID 5’s distributed parity eliminates the chances of facing a bottleneck situation due to too much stress on the dedicated parity disk. You will then see all disks in the group can be added at once. The rule of thumb with Foreign Configurations is that if the Virtual Disk is booting you would Clear the Foreign Config, if the Virtual Disk is NOT booting then you would Import the Foreign Config. One drive was failing and in degraded status. Additional considerations: The server is a DELL R520 with a PERC H710 RAID controller and 8 x 3. I did not begin that background initialization operation it just started automatically. I have 6 drives in a RAID 5. Now i wanted to move all 8 Data drives from SERVER A and plug in SERVER B "simulating failure in server 1 system disk and mother board" . Under PD Mgmt, the 3 Disks (SAS) with their IDs & sizes are listed and their State is 'Foreign'. In my experience it happened after I had two blinking orange lights on two drives. Status Warning Name Virtual Disk 0 Device Description Virtual Disk 0 on RAID Controller in Slot 6 State Degraded Layout RAID-10 Size 5588. Next, navigate to the disk in Slot 8 which is currently in the Online state. I have a RAID array built with 5 SAS drives (RAID 5). The controller is PERC H710 Mini. I believe Datastore 1 was part of the RAID 5 that the ESXi 5. I powered down reseated the drives blew it out and powered back on. Go to Device Settings on this page, select the RAID controller, And it will direct you to the main page. Kindly help me as it has lots of data. with. You'll see all the available physical disks with foreign configurations. the foreign config view shows that when missing disk #7 comes back the RAID is still degraded. I would rather bring the array back alive then restore 10TB or data. There are offline or missing virtual drives with preserved cache. Back on the main menu, go to the Configuration Management Option, And then go to Manage Foreign Configuration. Then on the VD MGMT screen, highlight the controller in the upper-left, F2, Foreign, Import. msmhffd vjyjp quop qlm eqjn hou jmlupp czbpy wjdk dhgebv