[OmniOS-discuss] recovering deleted files from ZFS?

[CJ Keist]

Thanks.  Sounds like it's already too late then.  It has been about day 
and half since the deletion occurred.


On 3/14/16 12:45 PM, Bob Friesenhahn wrote:
> On Mon, 14 Mar 2016, CJ Keist wrote:
>
>> Thank you!. In this case I think I can do this as the server is 
>> basically retired now.
>
> Take care since this would toast the disks for any other recovery 
> attempt.  The data may very well be available, especially if the file 
> is small (since zfs typically writes 128k at a time). Recovery is 
> easiest if the pool was a single disk or mirrored rather than raidzN.
>
> There are only something like 20 transaction groups available to go 
> back to and this might span only a few seconds to a 100 seconds worth 
> of time.  If the file was destroyed long before the problem was 
> noticed, then this approach won't work.
>
> Bob

-- 
C. J. Keist                     Email: cj.keist at colostate.edu
Systems Group Manager           Solaris 10 OS (SAI)
Engineering Network Services    Phone: 970-491-0630
College of Engineering, CSU     Fax:   970-491-5569
Ft. Collins, CO 80523-1301

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