On Sun, Nov 18, 2012 at 2:35 PM, Phil Turmel <philip@xxxxxxxxxx> wrote:
> Good morning Drew,
>
>
> On 11/17/2012 10:07 PM, Drew Reusser wrote:
>
> [top-posting repaired. Please don't do that on kernel.org lists.]
>
>> On Sat, Nov 17, 2012 at 11:48 PM, Phil Turmel <philip@xxxxxxxxxx> wrote:
>
> [trim /]
>
>>> This isn't a complete report for four devices. Please show the output
>>> of "blkid" and "cat /proc/partitions" so we can help you report the
>>> details needed.
>
>> C is the pen-drive I am booting from currently and F is the 2TB disk I
>> was using to backup to.
>>
>> mint dev # cat /proc/partitions
>> major minor #blocks name
>>
>> 7 0 939820 loop0
>> 8 0 976762584 sda
>> 8 1 976760832 sda1
>> 8 16 976762584 sdb
>> 8 17 976237568 sdb1
>> 8 32 1985024 sdc
>> 8 33 1984960 sdc1
>> 8 48 976762584 sdd
>> 8 49 976760832 sdd1
>> 8 64 976762584 sde
>> 8 65 976237568 sde1
>> 11 0 1048575 sr0
>> 8 80 1953514584 sdf
>> 8 81 1953512448 sdf1
>
> Ok. This suggests that the array was originally built from partition #1
> on each drive, not the drive itself.
>
>> mint dev # blkid
>> /dev/loop0: TYPE="squashfs"
>> /dev/sda1: UUID="db9e3115-556a-49db-27c4-2d3002657472"
>> UUID_SUB="933ec5c0-d681-9e33-adb0-e6c890e337bd" LABEL="mint:0"
>> TYPE="linux_raid_member"
>> /dev/sdb1: UUID="db9e3115-556a-49db-27c4-2d3002657472"
>> UUID_SUB="9d6df7c7-ce40-1405-4ea1-8763a528ecc5" LABEL="mint:0"
>> TYPE="linux_raid_member"
>> /dev/sdc1: UUID="5860-2FA0" TYPE="vfat"
>> /dev/sdd1: UUID="db9e3115-556a-49db-27c4-2d3002657472"
>> UUID_SUB="fa1a1b82-989e-933a-95e4-d2495cee901d" LABEL="mint:0"
>> TYPE="linux_raid_member"
>> /dev/sde1: UUID="db9e3115-556a-49db-27c4-2d3002657472"
>> UUID_SUB="594ed481-471e-f11a-027f-1c246f9d057d" LABEL="mint:0"
>> TYPE="linux_raid_member"
>> /dev/sdf1: UUID="1C3C2B104A8445ED" TYPE="ntfs"
>
> As does this. Somehow you ended up with a v1.2 superblock on /dev/sda.
>
> Please repeat the examines with "mdadm -E /dev/sd[abde]1"
>
> Phil
>
>
I originally started the disks at (block?) 2048 so there was a 2mb
partition to load the bootloader (grub) and mdadm. Everything else
was on one partition as you observed. I figured the simpler the
better for this configuration.
Here you go.
mint dev # mdadm -E /dev/sd[abde]1
/dev/sda1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : db9e3115:556a49db:27c42d30:02657472
Name : mint:0 (local to host mint)
Creation Time : Thu Nov 15 16:08:02 2012
Raid Level : raid10
Raid Devices : 4
Avail Dev Size : 1953259520 (931.39 GiB 1000.07 GB)
Array Size : 1952211968 (1861.77 GiB 1999.07 GB)
Used Dev Size : 1952211968 (930.89 GiB 999.53 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 933ec5c0:d6819e33:adb0e6c8:90e337bd
Update Time : Thu Nov 15 20:08:55 2012
Checksum : b516984f - correct
Events : 17
Layout : near=2
Chunk Size : 512K
Device Role : Active device 0
Array State : AAAA ('A' == active, '.' == missing)
/dev/sdb1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : db9e3115:556a49db:27c42d30:02657472
Name : mint:0 (local to host mint)
Creation Time : Thu Nov 15 16:08:02 2012
Raid Level : raid10
Raid Devices : 4
Avail Dev Size : 1952212992 (930.89 GiB 999.53 GB)
Array Size : 1952211968 (1861.77 GiB 1999.07 GB)
Used Dev Size : 1952211968 (930.89 GiB 999.53 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 9d6df7c7:ce401405:4ea18763:a528ecc5
Update Time : Thu Nov 15 20:08:55 2012
Checksum : 3103c408 - correct
Events : 17
Layout : near=2
Chunk Size : 512K
Device Role : Active device 1
Array State : AAAA ('A' == active, '.' == missing)
/dev/sdd1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : db9e3115:556a49db:27c42d30:02657472
Name : mint:0 (local to host mint)
Creation Time : Thu Nov 15 16:08:02 2012
Raid Level : raid10
Raid Devices : 4
Avail Dev Size : 1953259520 (931.39 GiB 1000.07 GB)
Array Size : 1952211968 (1861.77 GiB 1999.07 GB)
Used Dev Size : 1952211968 (930.89 GiB 999.53 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : fa1a1b82:989e933a:95e4d249:5cee901d
Update Time : Thu Nov 15 20:08:55 2012
Checksum : 5ea6d02d - correct
Events : 17
Layout : near=2
Chunk Size : 512K
Device Role : Active device 2
Array State : AAAA ('A' == active, '.' == missing)
/dev/sde1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : db9e3115:556a49db:27c42d30:02657472
Name : mint:0 (local to host mint)
Creation Time : Thu Nov 15 16:08:02 2012
Raid Level : raid10
Raid Devices : 4
Avail Dev Size : 1952212992 (930.89 GiB 999.53 GB)
Array Size : 1952211968 (1861.77 GiB 1999.07 GB)
Used Dev Size : 1952211968 (930.89 GiB 999.53 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 594ed481:471ef11a:027f1c24:6f9d057d
Update Time : Thu Nov 15 20:08:55 2012
Checksum : 786bd4bc - correct
Events : 17
Layout : near=2
Chunk Size : 512K
Device Role : Active device 3
Array State : AAAA ('A' == active, '.' == missing)
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