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<div class="moz-cite-prefix">On 04/24/2017 05:03 PM, Sven Achtelik
wrote:<br>
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<p class="MsoNormal">Hi All, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">my oVirt-Setup is 3
Hosts with gluster and reaplica 3. I always try to stay on
the current version and I’m applying updates/upgrade if
there are any. For this I put a host in maintenance and also
use the “Stop Gluster Service” checkbox. After it’s done
updating I’ll set it back to active and wait until the
engine sees all bricks again and then I’ll go for the next
host. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This worked fine for me
the last month and now that I have more and more VMs running
the changes that are written to the gluster volume while a
host is in maintenance become a lot more and it takes pretty
long for the healing to complete. What I don’t understand is
that I don’t really see a lot of network usage in the GUI
during that time and it feels quiet slow. The Network for
the gluster is a 10G and I’m quiet happy with the
performance of it, it’s just the healing that takes long. I
noticed that because I couldn’t update the third host
because of unsynced gluster volumes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there any limiting
variable that slows down traffic during healing that needs
to be configured ? Or should I maybe change my updating
process somehow to avoid having so many changes in queue? <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Sven<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p>Hi Sven,</p>
<p> Do you have granular entry heal enabled on the volume? If no,
there is a feature called granular entry self-heal which should be
enabled with sharded volumes to get the benefits. So when a brick
goes down and say only 1 in those million entries is
created/deleted. Self-heal would be done for only that file it
won't crawl the entire directory.</p>
<p>
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<span style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">You can run<span
class="Apple-converted-space"> </span></span><code
class="command" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">gluster volume
set<span class="Apple-converted-space"> </span><em
class="replaceable" style="box-sizing: border-box;">VOLNAME</em><span
class="Apple-converted-space"> </span>cluster.granular-entry-heal
enable / disable<span class="Apple-converted-space"> </span></code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">command only if the
volume is in<span class="Apple-converted-space"> </span></span><code
class="literal" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">Created<span
class="Apple-converted-space"> </span></code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">state. If the volume
is in any other state other than<span
class="Apple-converted-space"> </span></span><code
class="literal" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">Created<span
class="Apple-converted-space"> </span></code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">, for example,<span
class="Apple-converted-space"> </span></span><code
class="literal" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">Started<span
class="Apple-converted-space"> </span></code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">,<span
class="Apple-converted-space"> </span></span><code
class="literal" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">Stopped</code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;">, and so on, execute<span
class="Apple-converted-space"> </span></span><code
class="command" style="box-sizing: border-box; font-size:
14.4px; padding: 2px 4px; color: rgb(51, 51, 51);
background-color: rgb(255, 255, 255); border-radius: 0px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; text-align: left; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;">gluster volume
heal VOLNAME granular-entry-heal<span
class="Apple-converted-space"> </span><code class="option"
style="box-sizing: border-box; font-size: 12.96px; padding:
2px 4px; color: inherit; background-color: transparent;
border-radius: 0px;">enable / disable</code></code><span
style="color: rgb(51, 51, 51); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal; text-align:
left; text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; background-color: rgb(255, 255, 255);
display: inline ! important; float: none;"><span
class="Apple-converted-space"> </span>command to enable or
disable granular-entry-heal option.</span></p>
<p>Thanks</p>
<p>kasturi<br>
</p>
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