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missing drives?

Featured Replies

I was recently doing a parity check, and my drives were reading at a crazy slow drive, (1-10 MBps)

I tried stopping all dockers, figured stopping the activity would fix that. Then restart the parity check, then my Parity 1 and Disk 8 "Device is Disable contents emulated"
I was going to restart my machine, see if that helps (was going to put it into maintenance mode,) but then my power supply kicks the bucket.
I replace the power supply, double check my cables and turn it on

Now Disk 6 is "missing".

I turn off machine, swap sata cables with disk 3, verify power cable is plugged in. Still Disk 6 is missing with known working cable.

 

What is the best path moving forward to fix this.

 

tower-diagnostics-20240204-1520.zip

server.png

Edited by The Acer
photo upload

  • Author

It was a bad power cable on the missing device

I just replaced both drives and rebuilt the array. (Parity 1 and Disk 8)

For next time is there any way to recover that drive (Disk 8)?

  • Community Expert
10 hours ago, The Acer said:

For next time is there any way to recover that drive (Disk 8)?

With another missing drive and single parity no.

  • Author

Being it was a power Cable, I was able to rebuild the array, however now, I have missing files, mostly video files.

What is the best way to recover, or rescan a drive to find files.

Disk 5, 6, and 8 appear to be affected.

tower-diagnostics-20240205-1837.zip

  • Community Expert

Looks like you have lost+found share on disks 5 and 6. These would have been created by doing check filesystem, but you don't mention that.

 

You can check there for lost files, but they might be hard to identify, and whatever is there would have been put there when you did check filesystem on those disks.

  • Community Expert

You need to check filesystem on disk8. Filesystem repair often needs some free space to work in, and you don't have much on most of your disks.

 

You should go ahead and reboot first though to clear log space.

  • Author

1. The lost+found must of been from Jan 13, but I didnt think I lost these files, but very well could be, How do I move them back to the file system?

I tried: Putting it into maintenance mode, checking file system, then removing the -n to repair the file system, it appears to work. (Sorry new to this) Appears to have lots of files in lost and found, how to clean this up, or capture it?

 

2. I changed the Docker custom network type from macvlan to ipvlan and restarted the server, the issue seems resolved.

tower-diagnostics-20240206-1147.zip

Edited by The Acer

  • Community Expert

First priority should be making some space on your disks.

 

Disk8 doesn't seem to have any lost+found after repair.

 

What do you get from command line with these?

du -h -d1 /mnt/disk5/lost+found

du -h -d1 /mnt/disk6/lost+found

 

  • Author

1. I used unbalance to move some files over, there is 100Gb free space available now
 

2. It appears the files are found. the way I noticed it was missing was going to shares tab > Media share, compute size > then list each drive and noticed it has 10 TB of data and not 13.x TB, but now it shows as 13.8 TB

disk 5 & disk 6 show less than 100gb under media and show its all under the lost+found

 

3. From terminal command lines:


disk5

226G    /mnt/disk5/lost+found/98735140
23G     /mnt/disk5/lost+found/400097448
3.5G    /mnt/disk5/lost+found/2147483778
16K     /mnt/disk5/lost+found/2270623964
15G     /mnt/disk5/lost+found/2270623966
4.0K    /mnt/disk5/lost+found/2270623969
17G     /mnt/disk5/lost+found/2270623972
4.5G    /mnt/disk5/lost+found/4294967449
7.7G    /mnt/disk5/lost+found/4607920935
9.9G    /mnt/disk5/lost+found/4607920944
4.0K    /mnt/disk5/lost+found/6442721886
8.0G    /mnt/disk5/lost+found/6442721889
9.0G    /mnt/disk5/lost+found/6442721893
13T     /mnt/disk5/lost+found/6442725952
4.5G    /mnt/disk5/lost+found/6442725954
13G     /mnt/disk5/lost+found/8987466839
15G     /mnt/disk5/lost+found/8987466845
12G     /mnt/disk5/lost+found/8987466864
480K    /mnt/disk5/lost+found/10741627976
14G     /mnt/disk5/lost+found/10741627979
12G     /mnt/disk5/lost+found/10741627982
5.5G    /mnt/disk5/lost+found/12889076178
11G     /mnt/disk5/lost+found/12889076183
4.0K    /mnt/disk5/lost+found/12889076187
6.6G    /mnt/disk5/lost+found/15032593123
14G     /mnt/disk5/lost+found/15032593126
3.8M    /mnt/disk5/lost+found/17310370592
4.0K    /mnt/disk5/lost+found/17310370595
8.0K    /mnt/disk5/lost+found/17310370598
13G     /mnt/disk5/lost+found/19328647624
14G     /mnt/disk5/lost+found/19328647629
8.5G    /mnt/disk5/lost+found/21474838610
4.5G    /mnt/disk5/lost+found/23622349446
20G     /mnt/disk5/lost+found/25769806127
14M     /mnt/disk5/lost+found/25769806130
8.9G    /mnt/disk5/lost+found/25769806134
13T     /mnt/disk5/lost+found

 

 

disk 6

13T     /mnt/disk6/lost+found/131
214G    /mnt/disk6/lost+found/67108635
13T     /mnt/disk6/lost+found

tower-diagnostics-20240206-1407.zip

  • Community Expert
5 hours ago, The Acer said:

files in lost and found, how to clean this up

If you look further down in those lost+found folders you might get some folder and file names you recognize.

 

Linux 'file' command will try to tell you what kind of data is in a particular file, and then you can try to open it with an appropriate application to see if you can identify it.

 

Dynamix File Manager plugin will let you work with folders and file directly on the server.

 

Do you have backups?

  • Author

No backups
But, if I know the name of the files, I can acquire them again with minimal effort.

I will see what I can recover, and go from there.

  • Author

When I use the Dynamix File Manager, and move the files/folders from lost+found to Media

It wants to move the files from the Disk5 to cache, then back to disk5 via mover. Is there anyways to essentially change the directory without all of this file moving?

  • Community Expert

You can work directly with the disks just as you can with the user shares. The Media folder on disk5 is where Media folders and files are located on disk5.

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