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Old 10-19-2011, 03:24 PM   #1
patrick0
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Registered: Oct 2011
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Ubuntu, MDraid, GPT - Problems installing Grub


Some sytem information to begin with:

Quote:
Linux rescue 2.6.39.2 #1 SMP Mon Jul 25 18:36:18 CEST 2011 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.04
DISTRIB_CODENAME=lucid
DISTRIB_DESCRIPTION="Ubuntu 10.04 LTS"
Quote:
Model: ATA ST33000651AS (scsi)
Disk /dev/sda: 3001GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number Start End Size File system Name Flags
1 17.4kB 100MB 100MB bios_grub
2 101MB 200MB 99.6MB
3 200MB 16.6GB 16.4GB
4 16.6GB 3000GB 2983GB


Model: ATA ST33000651AS (scsi)
Disk /dev/sdb: 3001GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number Start End Size File system Name Flags
1 17.4kB 100MB 100MB bios_grub
2 101MB 200MB 99.6MB
3 200MB 16.6GB 16.4GB
4 16.6GB 3000GB 2983GB
Quote:
/dev/loop0: UUID="071aa350-e8cf-40da-bb59-5287003a0451" TYPE="ext2"
/dev/md0: UUID="982b0e0d-e961-4b3c-81f1-7c3748309c49" TYPE="ext3"
/dev/sda2: UUID="a612ae3d-a707-2097-413c-3651d94b01e6" LABEL="rescue:0" TYPE="linux_raid_member"
/dev/sda3: UUID="e6dcf79f-85e6-38e0-9a91-ad18fb00e936" LABEL="rescue:1" TYPE="linux_raid_member"
/dev/sda4: UUID="9228bd18-b99d-73a9-3b9a-ed4cd6d3e6e8" LABEL="rescue:2" TYPE="linux_raid_member"
/dev/sdb2: UUID="a612ae3d-a707-2097-413c-3651d94b01e6" LABEL="rescue:0" TYPE="linux_raid_member"
/dev/sdb3: UUID="e6dcf79f-85e6-38e0-9a91-ad18fb00e936" LABEL="rescue:1" TYPE="linux_raid_member"
/dev/sdb4: UUID="9228bd18-b99d-73a9-3b9a-ed4cd6d3e6e8" LABEL="rescue:2" TYPE="linux_raid_member"
/dev/md1: UUID="391cf836-d974-4ed3-8e73-6f10a4d206b5" TYPE="swap"
/dev/md2: UUID="8d995dfe-3da9-4a1d-a426-a77f99cea4cb" TYPE="ext3"
Quote:
proc /proc proc defaults 0 2
/dev/md0 /boot ext2 defaults 0 2
/dev/md2 / ext3 defaults,errors=remount-ro 0 1
/dev/md1 swap swap sw,pri=1 0 0
Quote:
# definitions of existing MD arrays
ARRAY /dev/md/0 level=raid1 metadata=1.2 num-devices=2 UUID=a612ae3d:a7072097:413c3651:d94b01e6 name=rescue:0
ARRAY /dev/md/1 level=raid1 metadata=1.2 num-devices=2 UUID=e6dcf79f:85e638e0:9a91ad18:fb00e936 name=rescue:1
ARRAY /dev/md/2 level=raid1 metadata=1.2 num-devices=2 UUID=9228bd18:b99d73a9:3b9aed4c:d6d3e6e8 name=rescue:2
Quote:
Personalities : [raid1]
md2 : active raid1 sda4[0] sdb4[1]
2913490808 blocks super 1.2 [2/2] [UU]

md1 : active raid1 sda3[0] sdb3[1]
15998904 blocks super 1.2 [2/2] [UU]

md0 : active raid1 sda2[0] sdb2[1]
97268 blocks super 1.2 [2/2] [UU]

unused devices: <none>
Quote:
ARRAY /dev/md0 level=raid1 num-devices=2 metadata=01.02 name=rescue:0 UUID=a612ae3d:a7072097:413c3651:d94b01e6
ARRAY /dev/md1 level=raid1 num-devices=2 metadata=01.02 name=rescue:1 UUID=e6dcf79f:85e638e0:9a91ad18:fb00e936
ARRAY /dev/md2 level=raid1 num-devices=2 metadata=01.02 name=rescue:2 UUID=9228bd18:b99d73a9:3b9aed4c:d6d3e6e8
Ubuntu Lucid Lynx was installed to /dev/md2 via debootstrap.

When trying to install grub, the following error occours:

Quote:
grub-install --recheck --no-floppy hd0
/usr/sbin/grub-probe: error: no mapping exists for `md0'.
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
I have tried several possible google solutions, but none worked.
Any idea?
 
  


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