I can also confirm this behaviour. I updated from Jaunty to Karmic (I
assume beta at this point), and I have the following configuration:
$ sudo fdisk -l
===============================================================================
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 fd Linux RAID autodetect
/dev/sda2 14 121601 976655610 fd Linux RAID autodetect
===============================================================================
$ sudo mdadm --detail /dev/md0
===============================================================================
/dev/md0:
Version : 00.90
Creation Time : Mon Apr 23 00:17:47 2007
Raid Level : raid1
Array Size : 104320 (101.89 MiB 106.82 MB)
Used Dev Size : 104320 (101.89 MiB 106.82 MB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Thu Oct 22 08:12:49 2009
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 74ad3d60:5074597c:0324c307:5941c2e9
Events : 0.7296
Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 1 1 active sync /dev/sda1
===============================================================================
$ sudo mdadm --detail /dev/md1
===============================================================================
/dev/md1:
Version : 00.90
Creation Time : Mon Apr 23 00:18:02 2007
Raid Level : raid1
Array Size : 976655488 (931.41 GiB 1000.10 GB)
Used Dev Size : 976655488 (931.41 GiB 1000.10 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Thu Oct 22 08:32:24 2009
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 58a33554:66ab860b:f095819a:ef47ab1e
Events : 0.108323780
Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 2 1 active sync /dev/sda2
===============================================================================
$ sudo pvs
===============================================================================
PV VG Fmt Attr PSize PFree
/dev/md1 rootvg lvm2 a- 931.41G 772.00M
===============================================================================
$ sudo vgs
===============================================================================
VG #PV #LV #SN Attr VSize VFree
rootvg 1 4 0 wz--n- 931.41G 772.00M
===============================================================================
$ sudo lvs
===============================================================================
LV VG Attr LSize Origin Snap% Move Log Copy% Convert
mythtv rootvg -wi-ao 901.66G
root rootvg -wi-ao 25.00G
swap rootvg -wi-ao 1.00G
varlog rootvg -wi-ao 3.00G
===============================================================================
It is worth noting that I have a RAID 1 which was created with a second
disk of `missing', but by the sound of it - most folks here are seeing
this with RAID setups which are not running degraded like mine.
--
grub2 shows 'biosdisk read error', then boots
https://bugs.launchpad.net/bugs/396564
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