Questions tagged [raid1]
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mdadm: Cannot get array info for /dev/md127
i have one problem.
I created RAID1 with two discs, then i simulated failure of one of the discs. It was sdb1.
I restared the VM with one disc working in RAID array.
Then i added new fresh disc to add ...
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Total newbie stuff-up with LVM and RAID1
Many years ago, I created a RAID1 LVM data disk. During a re-installation, I deleted the volume group under cockatoo--vg-data associated with sdb1 and sdc1 and just have the partitions left.
sudo ...
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Is this possible to create raid1 from 8TB and 4TB+4TB disks, eg. stripe 4+4 + mirror 8?
I have one 8TB and two 4TB disks. I am curious if I am able to create 8TB raid from 8+4+4 disks?
I tried this sudo mkfs.btrfs -f -m raid1 -d raid1 /dev/sdc1 /dev/sdd1 /dev/cdb1 but this creates only ...
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Remove a disk from a Raid1 array and use it as cold backup?
My RAID1 array is currently running with 3 disks (2x6TB and 1x3TB). I want to remove the smaller disk and wonder if it makes sense to put it in the safe as cold backup. The idea is to be able to mount ...
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No space left on device but only 50% space and 1% inodes used
This is on a Iomega IX200 NAS which had been expanded to 4TB disks from the original 2TB.
It all looks good.
But when I try to save data to a new file I get the "No space left on device error&...
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Cannot umount systemd mounted luks container in raid
I have mounted raid1 luks non-root partition which is automated through created mount unit. Recently I've discovered that the FS is corrupted and decided to fsck it remotely without rebooting the ...
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RAID array reverts to the old disk after reboot
I have replaced my RAID array from RAID 1 with 2 x 4TB disks to 2 x 10TB disks using mdadm.
The process can be summarized as follows: add the 2 new disks to the RAID array, wait for sync, remove the 2 ...
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mdadm RAID1: Unable to replace(--add) failed drive
I have a RAID1 array of two hard disks which recently lost one drive, but I can't seem to simply replace the broken one.
mdadm --detail has reported that the first drive slot sda has been removed (...
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Not sure if lsblk showing correct partitions after restoring RAID1
One of my disk (nvme0n1) fails, so it was replaced. Now lsblk shows
nvme0n1 259:0 0 476.9G 0 disk
├─nvme0n1p1 259:5 0 511M 0 part
├─nvme0n1p2 259:6 0 475.9G 0 part
│ └─md2 9:2 ...
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How can I remove raid from my system? [duplicate]
I want to remove raid from my system as I am low on storage and I want to recover the second disk.
How can I recover the second disk, I tried but to no avail, here is my current state :
root@miirabox ~...
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Ubuntu Server 22.04 Replace Failed SSD in mdadm RAID1 Boot Disk
I have an Ubuntu 22.04 server that has its boot disk on a mdadm RAID1 array consisting of two 240 GB SSDs (/dev/sda & /dev/sdb). This mdadm array was setup using curtin during the initial install. ...
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Converting sw md device from raid0 to raid1 with only one disk online
Is it possible to convert an existing raid0 md device with only one disk to a raid1 md device with one disk in order to add a second mirror disk later?
It should be possible online.
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Raid 0+1 Failure Cases VS. Raid 1+0
I have heard that RAID 1+0 is more fault-reliant than RAID 0+1, because a secondary drive failure is more likely to cause data loss in RAID 0+1 than RAID 1+0.
In the above image, if "Disk 1"...
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what are the steps to run Grub Hook Script in Debian 12.5
I have installed Software RAID 1 in Debian 12.5. I want if 1st HDD fails the automatically my system should be able to boot from 2nd HDD and visa versa.
What steps I should take for the same?
My ...
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Recover data from a raid 1 disk
i would like to recover some data from a disk which was part of a MD RAID 1 Array in an old fileserver.
Drive 1 had a HW issue and it seems that drive 2 stuck in a Rebuilding State.
My idea was to get ...