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2
votes
1answer
59 views

One disk accessed more than others during md RAID6 rebuild

I am rebuilding one drive of an 8-drive RAID6 (using 'md' Linux software RAID), and have noticed that it doesn't seem to be going as fast as it could, presumably because one of the drives is being ...
0
votes
0answers
45 views

Server reverted to may after reboot

I just had a problem on a client's server, it wasn't responding to anything so I forced a reboot. The client called shortly after to say the website reverted to a version from May. Checked the backups ...
-3
votes
1answer
166 views

Recovering data from a RAID built with fakeraid [closed]

I have (had) a motherboard that supports (supported) fakeraid, which I used to build a RAID 1 with 2 WD Red 1TB. My motherboard died (as you would have guessed already) and now I have 2 options: Buy ...
3
votes
1answer
127 views

Expanding ZFS on MDRaid?

I had a 4-disk mdraid of 8.12TB with zfsonlinux's ZFS: # zpool status pool: tank state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM tank ...
0
votes
2answers
465 views

Headless server with an mdraid array won't boot

I'm in a bit of a pickle. I have a headless server (Acer EasyStore) running Ubuntu 12.04.1, which, after an update, now refuses to boot. It has four disks, one of which holds the OS in a partition and ...
3
votes
3answers
2k views

RAID6 mdraid -> LVM -> EXT4 root with GRUB2?

2012-03-31 Debian Wheezy daily build in VirtualBox 4.1.2, 6 disk devices. My steps to reproduce so far: Setup one partition, using the entire disk, as a physical volume for RAID, per disk Setup a ...
1
vote
1answer
189 views

Why does md resync cause no iowait?

I've known the defintion of %iowait as Time the CPU spent idling/blocking, because it had to wait on an IO operation to complete. Now take a simple Linux system with an mdraid1 and two disks. /...
1
vote
1answer
304 views

moving mdraid from failed Buffalo NAS

I've been tasked with restoring a RAID from a failed Buffalo NAS. the NAS box has failed, but our understanding at this point is that the drives are still functioning. I believe that Buffalo's NAS was ...