From: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>
To: Michael Evans <mjevans1983@gmail.com>
Cc: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>,
linux-raid@vger.kernel.org
Subject: Re: Device role question
Date: Sat, 27 Feb 2010 10:10:27 +0100 [thread overview]
Message-ID: <20100227091027.GA3510@lazy.lzy> (raw)
In-Reply-To: <4877c76c1002270055o2ebc038ag52e0b9a8f5b407d@mail.gmail.com>
Hi,
> Ok, please run this for each disk in the array:
>
> mdadm --examine /dev/(DEVICE)
>
> The output would be most readable if you did each array's devices in
> order, and you can list them on the same command (- - examine takes
> multiple inputs)
>
> If you still think the situation isn't as I described above, post the results.
Well, here it is:
$> mdadm -E /dev/sd[ab]2
/dev/sda2:
Magic : a92b4efc
Version : 1.1
Feature Map : 0x1
Array UUID : 54db81a7:b47e9253:7291055e:4953c163
Name : lvm
Creation Time : Fri Feb 6 20:17:13 2009
Raid Level : raid10
Raid Devices : 2
Avail Dev Size : 624928236 (297.99 GiB 319.96 GB)
Array Size : 624928000 (297.99 GiB 319.96 GB)
Used Dev Size : 624928000 (297.99 GiB 319.96 GB)
Data Offset : 264 sectors
Super Offset : 0 sectors
State : clean
Device UUID : 8f6cd2c4:0efc8286:09ec91c6:bc5014bf
Internal Bitmap : 8 sectors from superblock
Update Time : Sat Feb 27 10:08:22 2010
Checksum : 1703ded0 - correct
Events : 161646
Layout : far=2
Chunk Size : 64K
Device Role : spare
Array State : AA ('A' == active, '.' == missing)
/dev/sdb2:
Magic : a92b4efc
Version : 1.1
Feature Map : 0x1
Array UUID : 54db81a7:b47e9253:7291055e:4953c163
Name : lvm
Creation Time : Fri Feb 6 20:17:13 2009
Raid Level : raid10
Raid Devices : 2
Avail Dev Size : 624928236 (297.99 GiB 319.96 GB)
Array Size : 624928000 (297.99 GiB 319.96 GB)
Used Dev Size : 624928000 (297.99 GiB 319.96 GB)
Data Offset : 264 sectors
Super Offset : 0 sectors
State : clean
Device UUID : 6e2763b5:9415b181:e41a9964:b0c21ca6
Internal Bitmap : 8 sectors from superblock
Update Time : Sat Feb 27 10:08:22 2010
Checksum : 87d25401 - correct
Events : 161646
Layout : far=2
Chunk Size : 64K
Device Role : Active device 0
Array State : AA ('A' == active, '.' == missing)
And the details too:
$> mdadm -D /dev/md1
/dev/md1:
Version : 1.1
Creation Time : Fri Feb 6 20:17:13 2009
Raid Level : raid10
Array Size : 312464000 (297.99 GiB 319.96 GB)
Used Dev Size : 312464000 (297.99 GiB 319.96 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sat Feb 27 10:09:24 2010
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Layout : far=2
Chunk Size : 64K
Name : lvm
UUID : 54db81a7:b47e9253:7291055e:4953c163
Events : 161646
Number Major Minor RaidDevice State
0 8 18 0 active sync /dev/sdb2
2 8 2 1 active sync /dev/sda2
bye,
--
piergiorgio
next prev parent reply other threads:[~2010-02-27 9:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-26 14:23 Device role question Piergiorgio Sartor
2010-02-27 5:56 ` Michael Evans
2010-02-27 8:08 ` Piergiorgio Sartor
2010-02-27 8:55 ` Michael Evans
2010-02-27 9:10 ` Piergiorgio Sartor [this message]
2010-02-28 3:34 ` Michael Evans
2010-02-28 10:38 ` Piergiorgio Sartor
2010-02-28 4:41 ` Neil Brown
2010-02-28 10:35 ` Piergiorgio Sartor
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