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Both servers have HBA no RAIDs and i can setup a replicated or
dispensers without any issues.<br>
Logs are clean and when i tried to migrate a vm and got the error,
nothing showed up in the logs.<br>
i tried mounting the volume into my laptop and it mounted fine but,
if i use dd to create a data file it just hang and i cant cancel it,
and i cant unmount it or anything, i just have to reboot.<br>
The same servers have another volume on other bricks in a
distributed replicas, works fine.<br>
I have even tried the same setup in a virtual environment (created
two vms and install gluster and created a replicated striped) and
again same thing, data corruption.<br>
<br>
<br>
<div class="moz-cite-prefix">On 03/12/2016 07:02 PM, David Gossage
wrote:<br>
</div>
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cite="mid:CAJXeYEWnw9AkqAaYNr-jQ_nXu_m14k01LGUZfqpqgCxgsfpAiQ@mail.gmail.com"
type="cite">
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<div class="gmail_quote">On Sat, Mar 12, 2016 at 9:51 AM,
Mahdi Adnan <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:mahdi.adnan@earthlinktele.com"
target="_blank">mahdi.adnan@earthlinktele.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"> Thanks David,<br>
<br>
My settings are all defaults, i have just created the
pool and started it.<br>
I have set the settings as your recommendation and it
seems to be the same issue;<br>
<br>
Type: Striped-Replicate<br>
Volume ID: 44adfd8c-2ed1-4aa5-b256-d12b64f7fc14<br>
Status: Started<br>
Number of Bricks: 1 x 2 x 2 = 4<br>
Transport-type: tcp<br>
Bricks:<br>
Brick1: gfs001:/bricks/t1/s<br>
Brick2: gfs002:/bricks/t1/s<br>
Brick3: gfs001:/bricks/t2/s<br>
Brick4: gfs002:/bricks/t2/s<br>
Options Reconfigured:<br>
performance.stat-prefetch: off<br>
network.remote-dio: on<br>
cluster.eager-lock: enable<br>
performance.io-cache: off<br>
performance.read-ahead: off<br>
performance.quick-read: off<br>
performance.readdir-ahead: on<br>
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<div> </div>
<div><br>
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<div>Is their a raid controller perhaps doing any caching? <br>
</div>
<div><br>
</div>
<div>In the gluster logs any errors being reported during
migration process?</div>
<div>Since they aren't in use yet have you tested making
just mirrored bricks using different pairings of servers
two at a time to see if problem follows certain machine or
network ports?</div>
<div><br>
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<div>On 03/12/2016 03:25 PM, David Gossage wrote:<br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Sat, Mar 12, 2016 at
1:55 AM, Mahdi Adnan <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:mahdi.adnan@earthlinktele.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:mahdi.adnan@earthlinktele.com">mahdi.adnan@earthlinktele.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<p dir="ltr">Dears,</p>
<p dir="ltr">I have created a replicated
striped volume with two bricks and two
servers but I can't use it because when I
mount it in ESXi and try to migrate a VM to
it, the data get corrupted.<br>
Is any one have any idea why is this
happening ?</p>
<p dir="ltr">Dell 2950 x2<br>
Seagate 15k 600GB<br>
CentOS 7.2<br>
Gluster 3.7.8</p>
<p dir="ltr">Appreciate your help.</p>
</blockquote>
<div><br>
</div>
<div>Most reports of this I have seen end up
being settings related. Post gluster volume
info. Below is what I have seen as most common
recommended settings.</div>
<div>I'd hazard a guess you may have some the
read ahead cache or prefetch on.</div>
<div><br>
</div>
<div>quick-read=off</div>
<div>read-ahead=off</div>
<div>io-cache=off</div>
<div>stat-prefetch=off</div>
<div>eager-lock=enable</div>
<div>remote-dio=on</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<p dir="ltr"><span><font color="#888888"><br>
Mahdi Adnan<br>
System Admin<br>
<br>
</font></span></p>
<br>
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