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Date: Tue, 26 Jul 2011 16:00:14 +0200
From: Andrea Venturoli <ml@netfence.it>
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Subject: Re: ATA troubles
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On 07/25/11 02:45, Jerome Herman wrote:
> On 25/07/2011 01:58, Andrea Venturoli wrote:

So, for the records...

>> Now it looks like one drive is not working fine anymore...
>>> Jul 24 23:48:36 mydavid kernel: ad6: FAILURE - READ_DMA48
>>> status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=1671887488
>>> Jul 24 23:48:36 mydavid kernel:
>>> g_vfs_done():stripe/backup[READ(offset=1712012836864,
>>> length=131072)]error = 5
>>> Jul 24 23:48:39 mydavid kernel: ad6: FAILURE - READ_DMA48
>>> status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=1671897856
>>> Jul 24 23:48:39 mydavid kernel:
>>> g_vfs_done():stripe/backup[READ(offset=1712023420928,
>>> length=131072)]error = 5
>>> Jul 24 23:48:41 mydavid kernel: ad6: FAILURE - READ_DMA48
>>> status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=1671897888
>>> Jul 24 23:48:41 mydavid kernel:
>>> g_vfs_done():stripe/backup[READ(offset=1712023486464,
>>> length=131072)]error = 5
>> Also, smartd is complaining:
>>> Jul 24 23:41:59 mydavid smartd[2630]: Device: /dev/ad6, 38 Currently
>>> unreadable (pending) sectors
>>> Jul 24 23:50:56 mydavid smartd[538]: Device: /dev/ad6, 39 Currently
>>> unreadable (pending) sectors
>>
>> After a reboot, I've got back to the NID_NOT_FOUND errors...

Altough smartd says the drive is overall PASSing the tests, WD DLG tools 
found it bad.
(Thanks WD for creating such good HDs that go wild in a few days...)



I'll keep testing with the other one to find out whether the 
NID_NOT_FOUND errors are just noise in the logs or what.



  bye & Thanks to anyone who replied
	av.