<div dir="ltr"><div><div><div><div>Hi Lindsay,<br><br></div>As I understand it, the current logic of bitd/scrubd does not address the problem you asked about<br>"a process where all replicas are compared for inconsistencies."<br><br></div>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.<br><br></div>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.<br></div><br><div>PC<br></div><div><div><br><br>
</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 14, 2016 at 5:54 AM, Kaleb S. KEITHLEY <span dir="ltr"><<a href="mailto:kkeithle@redhat.com" target="_blank">kkeithle@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 04/13/2016 01:41 PM, Alan Millar wrote:<br>
>> Please refer to Bitrot Feature:<br>
><br>
>> <a href="http://www.gluster.org/community/documentation/index.php/Features/BitRot" rel="noreferrer" target="_blank">http://www.gluster.org/community/documentation/index.php/Features/BitRot</a><br>
><br>
>> I suppose it is already quite mature because it was already listed as a<br>
><br>
>> feature on RedHat Gluster Storage 3.2 Administration Guide.<br>
><br>
> 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.<br>
><br>
><br>
> I can't find an RHGS 3.2 admin guide, but I can find an RHGS 3.1 guide at<br>
><br>
<br>
</span>RHGS 3.2 hasn't been released yet. RHGS 3.1.2 is the current version.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
<br>
Kaleb<br>
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