3
votes
1answer
87 views

RAID-5 array being split on reboot (ubuntu)

I've set up a RAID-5 array on Ubuntu 13.04 (kernel 3.8.0-27-generic) using mdadm - v3.2.5 - 18th May 2012. It appears to work fine and be in high spirits: $ cat /proc/mdstat Personalities : ...
0
votes
1answer
205 views

Reassembling Raid 10 in Ubuntu from the initramfs menu

My raid 10 - used for / - has failed for my Ubuntu box. I replaced the bad disk and I am trying to reassemble the raid from the initramfs menu. I have tried starting the degraded Raid and using the ...
0
votes
1answer
904 views

auto assembling mdadm created RAID - initramfs doesn't change

(Ubuntu 10.10 + mdadm 3.1.4) I have my raid described in /etc/mdadm/mdadm.conf: HOMEHOST <system> ARRAY metadata=imsm UUID=46e68921:eea24d1d:e933eee8:192d55bc ARRAY /dev/md/Volume0 ...
2
votes
7answers
7k views

What tells initramfs or the Ubuntu Server boot process how to assemble RAID arrays?

The simple question: how does initramfs know how to assemble mdadm RAID arrays at startup? My problem: I boot my server and get: Gave up waiting for root device. ALERT! /dev/disk/by-uuid/[UUID] does ...
2
votes
1answer
1k views

software RAID array not starting in initramfs on Debian

One of my Debian servers (kernel 2.6.30-AMD64) refuses to start the software RAID array that houses the root partition in initramfs. It dumps me with a busybox console. When I follow the necessary ...
0
votes
1answer
163 views

Can't limit mdadm's detection

I've got a problem with mdadm and generating initrd. I had some problems with one disk, so suddenly mdadm started detecting my raid1 arrays to be on hda, hdb2, hdb3 - even though they should really ...