Re: Deep scrubbing

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posting this to ceph-users mailing list.

On Tue, Oct 25, 2016 at 2:02 AM, Andrzej Jakowski
<andrzej.jakowski@xxxxxxxxx> wrote:
> Hi,
>
> Wanted to learn more on what is the Ceph community take on the deep
> scrubbing process.
> It seems that deep scrubbing is expected to read data from physical
> media: NAND dies or magnetic platters.
> What in case if OSD is build on top of some kind of volume and the
> logic in the volume manager prevents OSD scrubbing process to read the
> data from physical media?

so it's a read only media, and read-only only for scrubbing. so you
have no choice but to disable the scrub, i guess?

$ ceph osd set noscrub
$ ceph osd set nodeep-scrub

>
> Thanks!
> Andrzej Jakowski
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-- 
Regards
Kefu Chai
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