Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

All Questions

Tagged with
0
votes
1answer
109 views

Recovering a Failed Software Raid5

I'm looking to recover data from 4 old HDDs set up in a software raid5 and it looks like a disk has failed. What I want to do is recover the raid so I can copy its data somewhere else. I have done ...
1
vote
1answer
119 views

How do I work out what's trashing my RAID?

I have an x86_64 Ubuntu 17.10 install (stock 4.13 kernel) with an SSD and three 1TB WD HDDs which each have a 750GB partition that's used in a 1.45TB RAID5 array. The SSD has my / on it, and the RAID ...
1
vote
0answers
289 views

Unable to mount raid 5 (Intel fakeRaid)

I recently corrupted my linux distro. I then reinstalled Ubuntu 16.04.3 and after setting it up, I have been unable to mount my Raid 5 setup after extensive troubleshooting. Note even after the ...
2
votes
1answer
629 views

Unable to mount raid 5 array (mdadm), with no drive errors

I have a 3 drive raid 5 array using the following disks: /dev/sda /dev/sdc /dev/sdb I'm no longer able to mount the drive with the following error: sudo mount /dev/md0 /mnt/md0/ mount: wrong fs ...
2
votes
1answer
447 views

How do I force a LVM2 RAID5 logical volume to span across an additional physical volume?

I'm testing LVM configurations for the purpose of building a home NAS with Ubuntu Server 16.04 LTS. I first added three 20GB disks to my machine (sdb, sdc, sdd), created three physical volumes grouped ...
2
votes
1answer
123 views

ubuntu - raid partition capacity unchanged after RAID1 to RAID5 to RAID6

I had a 2 disk RAID 1 partition. I added a device and converted it to RAID 5: mdadm --add /dev/md3 /dev/sdd2 mdadm --grow /dev/md3 --level=5 --raid-devices=3 Then added another device and converted ...
1
vote
1answer
1k views

HP SmartArray RAID5 recovery on linux

This is a long time in the making, and I've finally got it working so I thought I'd share this with as many people as I can in case they're in a similar situation. Long story short - HP SmartArray ...
2
votes
2answers
749 views

Raid5 Device Has Less Space Than Expected

I have 3 3TB drives, and have raid5ed them together. I would expect to get a resulting device around 6TB. The command I used: mdadm --create md0 --level=5 --raid-devices=3 /dev/sda1 /dev/sdb1 /dev/...
3
votes
5answers
907 views

Linking Intel RAID 5 partitions to boot disk

I have a 5-disk Intel RAID 5 along with a 6th boot disk with /, /boot, and swap. What I was planning to do was mount the Intel RAID partitions (which I've added with fdisk) so that the 6th disk /home,...