zfs corruption after controller failure

[InterNetX - Juergen Gotteswinter]

> external usb drive (for sure cheap consumer desktop one)
> cheap (maybe even buggy) usb controller
> non-mirrored / raidz
> probably cheap hardware at all (no ecc, like rainer mentioned for example)

what do you expect. zfs is very tolerant, but some basics should be
taken care of...

but even with a single disk it should be possible to recover / import
the pool at least read only



Am 06.01.2015 um 16:06 schrieb Fervent Dissent:
> I've had power lose before and a previous bad controller cause multiple
> problems. The drive would disappear or go offline. I would clear it and go
> on no problem. This is the first failure that I have not been able to
> recover from.
> 
> On Tue, Jan 6, 2015 at 11:01 PM, Rainer Duffner <rainer at ultra-secure.de>
> wrote:
> 
>>
>>> Am 06.01.2015 um 15:58 schrieb Fervent Dissent <
>> walkerindarkness at gmail.com>:
>>>
>>> I have a external disk that was on a cheap usb controller, that
>> controller
>>> died.
>>
>>
>> Maybe I’m mistaken, but I though that if your pool only has a single disk
>> and that disk/pool shows errors or becomes unreadable/corrupted/whatever
>> you cannot recover it.
>>
>> Same for not using ECC memory…
>>
>>
>>
>>
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