Roger, et al --
...and then Roger Heflin said...
...
%
% Based on those messages The re-add would be expected to work fine. it
Sure enough, it did:
diskfarm:~ # mdadm -D /dev/md5[123456] | egrep '^/dev|Stat|Size'
/dev/md51:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
/dev/md52:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
/dev/md53:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
/dev/md54:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
/dev/md55:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
/dev/md56:
Array Size : 4881773568 (4.55 TiB 5.00 TB)
Used Dev Size : 1627257856 (1551.87 GiB 1666.31 GB)
State : clean
Chunk Size : 512K
Number Major Minor RaidDevice State
That's a great first step. Whew! And the little arrays are even the right
size:
diskfarm:~ # fdisk -l /dev/md51
Disk /dev/md51: 4.6 TiB, 4998936133632 bytes, 9763547136 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 524288 bytes / 1572864 bytes
Yay. But ... The striped device never grew:
diskfarm:~ # parted /dev/md50 p free
Model: Linux Software RAID Array (md)
Disk /dev/md50: 20.0TB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 3146kB 3128kB Free Space
1 3146kB 20.0TB 20.0TB xfs 10Traid50md
20.0TB 20.0TB 3129kB Free Space
Even though I think I'm gonna go with md linear instead of learning
something else, which means I'll rebuild the striped top layer, which
means I should get the whole 30T, I'm curious as to why I don't see it
now. It appears that one cannot grow
diskfarm:~ # mdadm --grow /dev/md50 --size max
mdadm: Cannot set device size in this type of array.
a striped array. Soooo ... What to do? More to the point, what will I
need to do when I add the next 10T drive?
% appears that the machine was shutdown wrong and/or crashed and kicked
...
% something goes wrong you always need to check messages and see what
% the underlying issue is/was.
[snip]
Thanks. That's what had me confused ... :-/
Thanks again & HAND
:-D
--
David T-G
See http://justpickone.org/davidtg/email/
See http://justpickone.org/davidtg/tofu.txt
