Questions tagged [software-raid]
The software-raid tag has no usage guidance.
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mdadm RAID5 array became "active, FAILED" and now no longer mounts
Today my RAID5 array status from mdadm --detail /dev/md0 became active, FAILED (I have mobile notifications setup)
Most of the files were present but some were missing. This happened before and I ...
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Does RAID always read/write an entire chunk?
Many resources on the internet contain conflicting information regarding read/write logic for RAID chunks.
This answer contains the following (seemingly conflicting) pieces of information:
A 512 KB ...
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Maintaining consistency of ESP on a pair of software RAIDed drives
If a Debian-based server is set up with two mirrored drives, done using mdadm,
How do you keep the EFI System Partition consistent across drives? As most BIOSes cannot read off of MDRaid partitions.
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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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RAID5 - Mark a disk faulty during reshape
Context
I have a software RAID5 array (mdadm) on 3 disks. Last week, one disk started to get reading issue:
# dmesg
ata3.00: exception Emask 0x0 SAct 0x30000001 SErr 0x0 action 0x0
ata3.00: irq_stat ...
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40
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Unable to add drive to raid
I have a 3 RAID arrays on my Linux server.
root@master:~# lsblk -b
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 21474836480 0 loop
loop1 7:1 ...
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RAID home directory setup
I have ubuntu 24.04 LTS on a SSD. I setup a software RAID5 with 3 HDDs. The RAID is mounted on /mnt/md0
Here is my questions:
I want the home directory to be in the RAID drives instead of the SSD. ...
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How to extend LVM RAID5
This is the first time I'm posting here; usually, I always find someone who has had the same problem as me. But I'm facing an issue with my RAID5 setup using LVM and could really use some help.
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raid 5 mdadm replace with read errors
I have a software RAID 5 with 3 disks.
For a few days, sda has been giving errors, and today the new disk arrived.
I launched mdadm --replace and the process started correctly, but due to read errors ...
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I want to shrink my OS's partition on my mdadm RAID-0 array, so that I can install another linux based OS on a new partition of the array
I setup my Raid-0 mdadm raid array a few years ago when I setup my arch install following this guide https://wiki.archlinux.org/title/RAID#Installation while also googling and asking questions ...
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Arch Linux RAID working, but won't mount on bootup. Bootup broken now
I have a headless server running Arch and sharing a software RAID.
After what looked to be a successful system upgrade, bootup now fails due to a timeout when trying to load the RAID. I get the ...
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Single drive added to mdadm RAID disappears after reboot
I have looked and looked for other people with my same problem, but all the questions here seem to be about entire RAIDs disappearing after reboots, whereas I have a problem with just one member drive....
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863
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Ubuntu RAID Configuration Devices list is empty
I want to install Ubuntu Server 22.04.
During the installation process, I want to do the storage configuration for the software RAID as mentioned in this YT-Video (https://www.youtube.com/watch?v=...
K1LLUM1N471
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replace an SSD disk in RAID5 with bigger one
Some years ago I created a RAID5 array with mdadm. It consists of 3 1TB SSD (Samsung SSD 860). Here is how I created it:
mdadm -E /dev/sd[a-c]
fdisk /dev/sda
fdisk /dev/sdb
fdisk /dev/sdc
mdadm -C /...
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Extending a software RAID1 configuration
There is a system with 2 equivalent HDDs (both are 4TB), and they are "bind" together with raid1:
$ sudo mdadm --query --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time ...
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