<p dir="ltr">Hi,</p>
<p dir="ltr">Since then I setup geo-replication to a volume composed of a single brick (no replication, no distribution), which seems to be complete / up to date (the LAST_SYNCED column in 'gluster volume geo-replication VOLUME SLAVE status detail' is only a few minutes ago), and interestingly the master bricks (remember the volume is 1 x 2 = 2) each still uses 89GB (according to 'df'), whereas the slave uses 61GB (df).</p>
<p dir="ltr">61GB is what I would expect and the same as a 'du -h' on the mounted volume (as NFS).</p>
<p dir="ltr">For now as you can see my Gluster volume is small, but I want to be sure all is well before ramping it up.</p>
<p dir="ltr">Why do the master bricks use 50% more space than I would have expected them to?</p>
<p dir="ltr">Is there a way to find out where why that extra space is used and clear it?</p>
<p dir="ltr"> Thibault.</p>
<div class="gmail_quote">On 12 Aug 2015 3:07 pm, "Thibault Godouet" <<a href="mailto:tibo92@godouet.net">tibo92@godouet.net</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">I have a replicated Gluster 3.7.3 volume composed of two bricks, each on a different server.</p>
<p dir="ltr">If I mount the volume as NFS (because it is a lot faster than FUSE for du), and do a 'du -h' on this, it returns 56GB.</p>
<p dir="ltr">Yet the disk usage on each brick is quite a lot higher:</p>
<p dir="ltr">- a 'du -h' gives me 104GB, 99% (or more) of it being .glusterfs</p>
<p dir="ltr">- a 'df -h' gives me 85GB (and there is nothing else on the partition)</p>
<p dir="ltr"> </p>
<p dir="ltr">I'd be interested to hear if someone knows why du and df give me different values, but even more interested to know why df reports 85GB rather than close to 56GB (the actual size of the data in the volume).</p>
<p dir="ltr"> </p>
<p dir="ltr">Is this expected?</p>
<p dir="ltr">If not, is there a way to make it clear the extra space and go down to 56GB disk usage on each brick?</p>
<p dir="ltr"> </p>
<p dir="ltr">Thanks,</p>
<p dir="ltr">Thibault.</p>
</blockquote></div>