<div dir="ltr"><div><br></div><div>Adding Pranith, maintainer of the replicate feature.</div><div><br></div><div><br></div><div>Regards,</div><div>Raghavendra</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 9, 2016 at 3:33 PM, Steve Dainard <span dir="ltr"><<a href="mailto:sdainard@spd1.com" target="_blank">sdainard@spd1.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">There is a thread from 2014 mentioning that the heal process on a<br>
replica volume was de-sparsing sparse files.(1)<br>
<br>
I've been experiencing the same issue on Gluster 3.6.x. I see there is<br>
a bug closed for a fix on Gluster 3.7 (2) and I'm wondering if this<br>
fix can be back-ported to Gluster 3.6.x?<br>
<br>
My experience has been:<br>
Replica 3 volume<br>
1 brick went offline<br>
Brought brick back online<br>
Heal full on volume<br>
My 500G vm-storage volume went from ~280G used to >400G used.<br>
<br>
I've experienced this a couple times previously, and used fallocate to<br>
re-sparse files but this is cumbersome at best, and lack of proper<br>
heal support on sparse files could be disastrous if I didn't have<br>
enough free space and ended up crashing my VM's when my storage domain<br>
ran out of space.<br>
<br>
Seeing as 3.6 is still a supported release, and 3.7 feels too bleeding<br>
edge for production systems, I think it makes sense to back-port this<br>
fix if possible.<br>
<br>
Thanks,<br>
Steve<br>
<br>
<br>
<br>
1. <a href="https://www.gluster.org/pipermail/gluster-users/2014-November/019512.html" rel="noreferrer" target="_blank">https://www.gluster.org/pipermail/gluster-users/2014-November/019512.html</a><br>
2. <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1166020" rel="noreferrer" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1166020</a><br>
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</blockquote></div><br></div>