Multiple Device driver aka Linux Software RAID
Questions tagged [md]
80 questions
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recovering lost access to RAID5
I had perfectly working RAID5 and added another device.
I lost power during the RAID recovery. Now I have no access to it - it does not exist - lsblk does no longer recognize it as RAID5 - just individual devices.
I have build a new RAID5 and…
Jan Hus
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2 answers
Degraded md RAID5 won't boot
I'm running a Ubuntu server on a md RAID5. I started to have some issue with one disk, I received the following email from mdadm:
A DegradedArray event had been detected on md device /dev/md/0.
md0 : active raid5 sdb2[1](F) sdd2[2] sda2[0]
…
Xantra
- 55
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1 answer
Can RAID 6 support 3 or more parities?
It doesn't seem right to me that people are using RAID 1+0, RAID 5+0, or RAID 6+0 instead of using a RAID with 3 or more parities (akin to RAID 6) because the latter has a better reliability given the same level of redundancy.
Consider the case…
James Haigh
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- 10
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2 answers
Recommended solution to join partitions (disks) into single partition
I have 4 hard disks (1 Tb each) on server.
It's debian wheezy, amd64.
Disks 2,3 and 4 are not partitioned yet.
I have to join them into single partition, it must be single filesystem/mountpoint for web application.
What is there best way to do this:…
Andrii Kupchanko
- 150
- 6
-1
votes
1 answer
How do I resize the filesystem on a RAID0 array?
My server consists of 2x512GB and 1x3.5TB disks.
root@bb2 ~ # lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 476.9G 0 disk
├─nvme0n1p1 259:3 0 10.7G 0 part
│ └─md0 9:0 0 32G 0 raid0…
Mike S
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