I asume you changed disks on the nas, and you had to manually replicate the
pool from the old storage without lvm support to the new one lvm based
If that is correct, my guess is that the pool or the cpool or both got
corrupted.
May that be the problem?
Cesar.
Enviado desde mi iPhone
El 09/03/2011, a las 22:12, "Jeffrey J. Kosowsky" <backuppc AT kosowsky DOT
org> escribió:
> Les Mikesell wrote at about 14:58:30 -0600 on Wednesday, March 9, 2011:
>> On 3/9/2011 2:04 PM, Jeffrey J. Kosowsky wrote:
>>>
>>> On the NAS, I upgraded the kernel to a debian kernel, changed from
>>> ext2 to lvm2, and changed from RAID1 to non-RAID (which together only
>>> slightly affected NFS transfer speeds) - but again since the NFS
>>> speeds are reasonable, can any of the changes on the NAS even be a
>>> cause?
>>
>> I've seen big speed drops from lvm in some circumstances although
>> everyone says there isn't supposed to be that much overhead.
>>
>
> Yes I saw that with snapshots but I removed the snapshots and that
> didn't affect the BackupPC speed.
> Also, since I'm running over NFS and the NFS speeds for read/write
> seem "normal", I'm not understanding how lvm could be the issue in
> this case.
>
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