[Gluster-users] Does gluster have a "scrub"?

[Chen Chen]

Oops, my bad. Thanks for pointing out. Fixing split-brain is surely not 
what bitrot's job.

Best wishes,
Chen

On 4/14/2016 4:41 AM, Paul Cuzner wrote:
> Hi Lindsay,
>
> As I understand it, the current logic of bitd/scrubd does not address
> the problem you asked about
> "a process where all replicas are compared for inconsistencies."
>
> bitd/scrubd operate independently within each node, signing each file
> and validating the checksum - which is part of the answer. It basically
> protects the files on a brick from silent data corruption - it does not
> ensure that each replica is consistent with each other.
>
> I believe that replica compare and automatic healing, are features being
> worked on for a future release - not sure of timing, but maybe one of
> the devs can chime in.
>
> PC
>
>
>
> On Thu, Apr 14, 2016 at 5:54 AM, Kaleb S. KEITHLEY <kkeithle at redhat.com
> <mailto:kkeithle at redhat.com>> wrote:
>
>     On 04/13/2016 01:41 PM, Alan Millar wrote:
>     >> Please refer to Bitrot Feature:
>     >
>     >> http://www.gluster.org/community/documentation/index.php/Features/BitRot
>     >
>     >> I suppose it is already quite mature because it was already listed as a
>     >
>     >> feature on RedHat Gluster Storage 3.2 Administration Guide.
>     >
>     > If you are only looking for *detection*, it sounds like it is mature and working.  If you want automatic *correction* on a replicated volume (like you find in ZFS or BTRFS), that doesn't appear to exist yet.
>     >
>     >
>     > I can't find an RHGS 3.2 admin guide, but I can find an RHGS 3.1 guide at
>     >
>
>     RHGS 3.2 hasn't been released yet.  RHGS 3.1.2 is the current version.
>
>     --
>
>     Kaleb
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>
>
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Chen Chen
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