Re: grub-probe seems to be having problems

[Lennart Sorensen]

On Thu, Mar 01, 2012 at 02:47:58PM -0500, Lennart Sorensen wrote:
> address@hidden:~# /usr/sbin/grub-probe --device /dev/md1 --target=partmap
> /usr/sbin/grub-probe: error: disk `mduuid/dc00bd3a0e9491bb0b66fa8b9246c2e8' 
> not found.
> 
> That seems wrong.
> 
> So does:
> 
> address@hidden:~# /usr/sbin/grub-probe --device /dev/md0 --target=partmap
> /usr/sbin/grub-probe: error: Couldn't find physical volume `(null)'. Check 
> your device.map.
> 
> address@hidden:~# cat /proc/mdstat 
> Personalities : [raid1] [raid6] [raid5] [raid4] 
> md1 : active raid5 sdd3[4] sdc3[3](F) sda3[0] sdb3[1]
>       284773376 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]
>       
> md0 : active raid1 sdd2[2] sda2[0] sdb2[1]
>       976884 blocks super 1.2 [3/3] [UUU]
>       
> unused devices: <none>
> 
> grub-install never seems to generate a device.map file anymore either,
> although --recheck happily deletes it for me.
> 
> What is supposed to generate the /boot/grub/device.map these days?

Some more raid details if it helps:

address@hidden:~# mdadm --detail /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Wed Feb  8 14:39:24 2012
     Raid Level : raid1
     Array Size : 976884 (954.15 MiB 1000.33 MB)
  Used Dev Size : 976884 (954.15 MiB 1000.33 MB)
   Raid Devices : 3
  Total Devices : 3
    Persistence : Superblock is persistent

    Update Time : Thu Mar  1 15:02:06 2012
          State : clean
 Active Devices : 3
Working Devices : 3
 Failed Devices : 0
  Spare Devices : 0

           Name : rceng03new:0  (local to host rceng03new)
           UUID : 88d43dc8:2888fece:34c1486f:49caa398
         Events : 74

    Number   Major   Minor   RaidDevice State
       0       8        2        0      active sync   /dev/sda2
       1       8       18        1      active sync   /dev/sdb2
       2       8       50        2      active sync   /dev/sdd2
address@hidden:~# mdadm --detail /dev/md1
/dev/md1:
        Version : 1.2
  Creation Time : Wed Feb  8 14:51:32 2012
     Raid Level : raid5
     Array Size : 284773376 (271.58 GiB 291.61 GB)
  Used Dev Size : 142386688 (135.79 GiB 145.80 GB)
   Raid Devices : 3
  Total Devices : 3
    Persistence : Superblock is persistent

    Update Time : Thu Mar  1 15:02:44 2012
          State : clean
 Active Devices : 3
Working Devices : 3
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 512K

           Name : rceng03new:1  (local to host rceng03new)
           UUID : dc00bd3a:0e9491bb:0b66fa8b:9246c2e8
         Events : 30538

    Number   Major   Minor   RaidDevice State
       0       8        3        0      active sync   /dev/sda3
       1       8       19        1      active sync   /dev/sdb3
       4       8       51        2      active sync   /dev/sdd3

-- 
Len Sorensen