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<div class="moz-cite-prefix">On 02/07/2018 10:39 AM, Zhou, Cynthia
(NSB - CN/Hangzhou) wrote:<br>
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<p class="MsoNormal" style="text-align:left" align="left"><span
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hi glusterfs expert:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri",sans-serif"
lang="EN-US"> </span><span lang="EN-US"> Good day.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri",sans-serif"
lang="EN-US"> </span><span lang="EN-US"> Lately, we
meet a glusterfs split brain problem in our env in
/mnt/export/testdir. We start 3 ior process (IOR tool) from
non-sn nodes, which is creating/removing files repeatedly in
testdir. then we reboot sn nodes(sn0 and sn1) by sequence.
Then we meet following problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri",sans-serif"
lang="EN-US"> </span><span lang="EN-US"> Do you have some
comments on how this could happen? And how to fix it in this
situation? Thanks!</span></p>
</div>
</blockquote>
<br>
Is the problem that split-brain is happening? Is this a replica 2
volume? If yes, then it looks like it is expected behavior?<br>
Regards<br>
Ravi<br>
<blockquote type="cite"
cite="mid:VI1PR07MB329319D6678841D25919CEC0C8FC0@VI1PR07MB3293.eurprd07.prod.outlook.com">
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<p class="MsoNormal"><span lang="EN-US"><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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US">gluster
volume heal export info<br>
Brick sn-0.local:/mnt/bricks/export/brick<br>
Status: Connected<br>
Number of entries: 0<br>
<br>
Brick sn-1.local:/mnt/bricks/export/brick<br>
/testdir - Is in split-brain<br>
<br>
/testdir - Possibly undergoing heal<br>
<br>
Status: Connected<br>
Number of entries: 2<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US">wait for a
while …..<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US">gluster
volume heal export info<br>
Brick sn-0.local:/mnt/bricks/export/brick<br>
Status: Connected<br>
Number of entries: 0<br>
<br>
Brick sn-1.local:/mnt/bricks/export/brick<br>
/testdir - Possibly undergoing heal<br>
<br>
/testdir - Possibly undergoing heal<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Segoe
UI",sans-serif;color:#1A1A1A" lang="EN-US">and finally:</span><span
lang="EN-US"><o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white"><span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">[root@<a href="http://sn-0/root"
moz-do-not-send="true"><span
style="font-size:12.0pt;color:#3B73AF">sn-0:/root</span></a>]<br>
# gluster v heal export info<br>
Brick sn-0.<a href="http://local/mnt/bricks/export/brick"
moz-do-not-send="true"><span
style="font-size:12.0pt;color:#3B73AF">local:/mnt/bricks/export/brick</span></a><br>
Status: Connected<br>
Number of entries: 0<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">Brick sn-1.<a
href="http://local/mnt/bricks/export/brick"
moz-do-not-send="true"><span
style="font-size:12.0pt;color:#3B73AF">local:/mnt/bricks/export/brick</span></a><br>
/testdir - Is in split-brain<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">Status: Connected<br>
Number of entries: 1<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"> <o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">[root@<a href="http://sn-0/root"
moz-do-not-send="true"><span
style="font-size:12.0pt;color:#3B73AF">sn-0:/root</span></a>]<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"># getfattr -m .* -d -e hex
/mnt/bricks/export/brick/testdir<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">getfattr: Removing leading '/' from absolute
path names<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"># file: mnt/bricks/export/brick/testdir<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.gfid=0x5622cff893b3484dbdb6a20a0edb0e77<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.glusterfs.dht=0x000000010000000000000000ffffffff<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"> <o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white"><span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">[root@<a href="http://sn-1/root"
moz-do-not-send="true"><span
style="font-size:12.0pt;color:#3B73AF">sn-1:/root</span></a>]<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"># getfattr -m .* -d -e hex
/mnt/bricks/export/brick/testdir<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">getfattr: Removing leading '/' from absolute
path names<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US"># file: mnt/bricks/export/brick/testdir<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.afr.dirty=0x000000000000000000000001<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.afr.export-client-0=0x000000000000000000000038<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.gfid=0x5622cff893b3484dbdb6a20a0edb0e77<o:p></o:p></span></p>
<p
style="mso-margin-top-alt:7.5pt;margin-right:0cm;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;word-spacing:0px">
<span
style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"
lang="EN-US">trusted.glusterfs.dht=0x000000010000000000000000ffffffff<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"><o:p> </o:p></span></p>
</div>
</blockquote>
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