All Questions
53
questions with no upvoted or accepted answers
1
vote
0
answers
707
views
mdadm: faulty Array, how to get recover as much as possible?
I have a RAID5 with 4 Disks in my PC. All of them were healthy (and the RAID itself) until before.
I tried to install windows 8.1 which automatically creates this "SystemReserved"-Partition. The ...
- 11
1
vote
0
answers
715
views
Create a mdadm raid mirror of an existing lvm
Hello I'm trying to figure out how I can create a pretty strange mdadm mirror of my lvm.
I have 4 disks, (sda,b,c,d).
Each disk has 2 partitions:
1Gb - physical volume
500mb - Swap
My system lvm ...
- 197
0
votes
0
answers
16
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USB disk on a VBox on RAID was repartitioned
I have an Ubuntu on a VBox on Windows 10 Pro. The Ubuntu had a Raid 1+0 with 2 external USB disks. Suddenly, when I restarted the server, both disks got repartitioned with these: PARTLABEL="...
- 334
0
votes
0
answers
16
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Using mdadm to perform no-downtime backupd
I have a server running Ubuntu 23.10. It contains several RAID 1 arrays created using mdadm. One of these holds the virtual machine disk images of my web-servers. Currently, to backup these images, I ...
- 1
0
votes
0
answers
54
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Unable to access data on Intel "fake RAID" after failed Ubuntu update
Recently I did an update of my Ubuntu, it seems to work at first but after restart it shows:
kernell ofset relocation range kernel panic not syncing: VFS
I try to use different older kernel from Grub ...
- 101
0
votes
1
answer
513
views
Linux Software Raid Rebuild on machine failure
I have a debian home server that has a 4 disk software RAID 5 array. My OS runs only on a normal nvme SSD. I know thats not secure, but it is a home server, so I didn't really care when I installed it ...
0
votes
1
answer
223
views
How to reshape a 2-disk RAID1 into a 2-disk RAID5 using mdadm?
According to How to remove a drive from a non-standard 2-drive RAID 5 array?, "with mdadm, a 2 drive RAID 5 is binary identical to a RAID1". If that is so, what's the mdadm command line for ...
- 105
0
votes
0
answers
1k
views
Creating Raid Disk from Existing Disk
I was going to follow the guide here on arch wiki to convert a single disk to a raid disk using mdadm. The disk in question is a proxmox system disk.
My plan was as follows:
Create the raid disk ...
- 812
0
votes
0
answers
4k
views
wrong fs type, bad option, bad superblock on /dev/mdXY
If I use a expensive commercial software I can read the data but I did not buy it because it is too expensive for me.
Since I have the conviction that I do not reformat the hard drive again and I can ...
- 281
0
votes
0
answers
322
views
Hybrid RAID (SSD+HDD) gives unexpected results
I am doing some experiments with hybrid RAID in Linux.
My test consists of the following:
2x256GB SSD in RAID 0 (/dev/md1)
2x256GB HDD in RAID 0 (/dev/md2)
Then I made md1 and md2 into a RAID 1 (/...
- 123
0
votes
0
answers
434
views
Why MDADM remove one of my Raid1 disk randomly?
I have a rapsberry pi 2 with 2 HDD connected to it thanks to a SATA-USB adapter. They are Raid1 mounted with MDADM.
The problem is that one of the two disks is randomly removed and marked as "Faulty"....
- 11
0
votes
0
answers
116
views
Computer crashed, raid array in trouble
I arrived home today to find my home server was off (not idea why). Turned it back on again and the raid array was failing to mount.
/proc/mdstat shows:
Personalities :
md0 : inactive sdh[7](S) sdc[...
- 1
0
votes
0
answers
48
views
Fedora change disk then install error and which solution is faster?
I use fedora and mdadm(2hdd create to raid1), but if I change one disk then on fedora install program not work have error message. I use "sfdisk -d /dev/sda | sfdisk /dev/sdb" create sdb of ...
- 1
0
votes
1
answer
219
views
How do i prevent lilo from doing a disk scan?
I have gentoo installed using root on LVM on RAID5. I made a mistake when I set up lilo but the initrd created by genkernel caught it and allowed me to type in the correct root partition. I have ...
- 372
0
votes
1
answer
42
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Error RAID1 but can't seem to find where the error is?
I'm having trouble figuring out where the problem is.
I'm seeing my two drives... I removed a failed drive and installed an empty one. Thought I added it to the raid and it said it was rebuilding.
...
