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<p><font size="+1"><font face="monospace">Hello Xavier,</font></font></p>
<p><font size="+1"><font face="monospace">Sorry: these days I've
been busy with other tasks :-(</font></font></p>
<p><font size="+1"><font face="monospace"><br>
</font></font></p>
<p><font size="+1"><font face="monospace">More info about the
problem and your questions:</font></font></p>
<p><font size="+1"><font face="monospace">- The rename/move errors
appear not only in the glusterfs node that execute tasks
renaming files BUT ALSO in ALL clients of the glusterfs volume</font></font></p>
<p><font size="+1"><font face="monospace">- All clients (and even
the glusterfs node executing the failing renames) mount the
glusterfs volume using the fuse client</font></font></p>
<p><font size="+1"><font face="monospace">Regards.<br>
</font></font></p>
<p><font size="+1"><font face="monospace"></font></font><br>
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. ' />
--> </a> </div>
</td>
<td>
<p><span class="nombre">Jose Manuel Blanco</span><br>
<br>
<span>Analista Sistemas</span> · <span class="correo"><a
href="mailto:josemanuel.blanco@uva.es"
target="_blank">josemanuel.blanco@uva.es</a></span><br>
<span class="phone">Tfno.: (+34) 983 18 6411</span></p>
</td>
</tr>
<tr>
<td colspan="2">
<p><span class="universidad">Universidad de Valladolid</span><br>
<span class="unidad">Servicio de las TIC</span><br>
<br>
<span>Edificio Alfonso VIII · C/ Real de Burgos s/n<br>
47011 · Valladolid · España (<em>Spain</em>)</span></p>
<p class="enlaces">| <a
href="https://www.facebook.com/Universidad-de-Valladolid-187763507920209/"
target="_blank">Facebook</a> | <a
href="https://twitter.com/uva_es" target="_blank">Twitter</a>
| <a href="http://www.uva.es" target="_blank">UVa</a> </p>
</td>
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<td>
<p>Este mensaje puede contener información confidencial,
sometida al secreto profesional, cuya divulgación no
está permitida por la ley. Si usted no es su
destinatario, por favor, notifíquelo al remitente y
borre este correo de su sistema. A los efectos de la
protección de datos y el RGPD, consulte: <a
href="http://www.uva.es/protecciondedatos/"
target="_blank">protección de datos en la UVa</a>. El
emisor no garantiza la integridad, rapidez o seguridad
del presente correo, ni se responsabiliza de posibles
perjuicios derivados de la captura, incorporaciones de
virus o cualesquiera otras manipulaciones efectuadas por
terceros. <span class="verde">Piensa en verde: lee en
la pantalla.</span></p>
<p>This message may contain confidential information
covered by the obligation of professional secrecy, the
disclosure of which would be contrary to the law. If you
are not the intended recipient, please advise the sender
and delete this e-mail from your system. For the
purposes of data protection and GDPR, read: <a
href="http://www.uva.es/protecciondedatos/"
target="_blank">protección de datos en la UVa</a>. The
sender does not guarantee the integrity, the accuracy,
the swift delivery or the security of this email
transmission, and assumes no responsibility for any
possible damage incurred through data capture, virus
incorporation or any manipulation carried out by third
parties. <span class="verde">Think green: read on the
screen.</span></p>
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</div>
<div class="moz-cite-prefix">El 6/9/21 a las 9:40, Xavi Hernandez
escribió:<br>
</div>
<blockquote type="cite"
cite="mid:CALtvDK5ZgL6PecbY+7aUcUk2R2eDQtULBW83joJcC1U+KRA6xQ@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div dir="ltr">Hi Jose,
<div><br>
</div>
</div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, Sep 4, 2021 at 1:58
PM José Manuel Blanco <<a
href="mailto:josemanuel.blanco@uva.es"
moz-do-not-send="true">josemanuel.blanco@uva.es</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p><font size="+1"><font face="monospace">Hi all,</font></font></p>
<p><font size="+1"><font face="monospace">We have a
problem with tasks (written in PHP) doing a lot of
file renaming/moving (even several renames per
second).</font></font></p>
<p><font size="+1"><font face="monospace">The pattern is
always the same: the task rename files with variable
filename to the SAME final file (that is: the
destination filename is ALWAYS the same).</font></font></p>
<p><font size="+1"><font face="monospace">Problem:
according to glusterfs and task logs, some rename
are successful but other don't and we don't
understand why or what is causing the error in the
failing renames because the error is "File exists",
but the rename supossedly must address these
situations correctly and "overwrite" the destination
file if it exists (it uses the PHP rename()
function)<br>
</font></font></p>
<p><font size="+1"><font face="monospace">More info:<br>
</font></font></p>
<p><font size="+1"><font face="monospace">- We use a
distributed-replicated volume in a 3 node cluster</font></font></p>
<blockquote>
<p><font size="+1"><font face="monospace">gluster volume
info moodle-cv<br>
<br>
</font></font><font face="monospace">Volume Name:
moodle-cv</font><br>
<font face="monospace">Type: Distributed-Replicate</font><br>
<font face="monospace">Volume ID:
1eef9714-3943-4d77-b42f-6b1144389c56</font><br>
<font face="monospace">Status: Started</font><br>
<font face="monospace">Snapshot Count: 0</font><br>
<font face="monospace">Number of Bricks: 5 x (2 + 1) =
15</font><br>
<font face="monospace">Transport-type: tcp</font><br>
<font face="monospace">Bricks:</font><br>
<font face="monospace">Brick1:
moodle2017-n2:/glusterfs/moodle-cv/brick1/datos</font><br>
<font face="monospace">Brick2:
moodle2017-n3:/glusterfs/moodle-cv/brick1/replica</font><br>
<font face="monospace">Brick3:
moodle2017-n1:/glusterfs/moodle-cv/brick1/arbiter
(arbiter)</font><br>
<font face="monospace">Brick4:
moodle2017-n3:/glusterfs/moodle-cv/brick2/datos</font><br>
<font face="monospace">Brick5:
moodle2017-n2:/glusterfs/moodle-cv/brick2/replica</font><br>
<font face="monospace">Brick6:
moodle2017-n1:/glusterfs/moodle-cv/brick2/arbiter
(arbiter)</font><br>
<font face="monospace">Brick7:
moodle2017-n2:/glusterfs/moodle-cv/brick3/datos</font><br>
<font face="monospace">Brick8:
moodle2017-n3:/glusterfs/moodle-cv/brick3/replica</font><br>
<font face="monospace">Brick9:
moodle2017-n1:/glusterfs/moodle-cv/brick3/arbiter
(arbiter)</font><br>
<font face="monospace">Brick10:
moodle2017-n3:/glusterfs/moodle-cv/brick4/datos</font><br>
<font face="monospace">Brick11:
moodle2017-n2:/glusterfs/moodle-cv/brick4/replica</font><br>
<font face="monospace">Brick12:
moodle2017-n1:/glusterfs/moodle-cv/brick4/arbiter
(arbiter)</font><br>
<font face="monospace">Brick13:
moodle2017-n2:/glusterfs/moodle-cv/brick5/datos</font><br>
<font face="monospace">Brick14:
moodle2017-n3:/glusterfs/moodle-cv/brick5/replica</font><br>
<font face="monospace">Brick15:
moodle2017-n1:/glusterfs/moodle-cv/brick5/arbiter
(arbiter)</font><br>
<font face="monospace">Options Reconfigured:</font><br>
<font face="monospace">nfs.disable: on</font><br>
<font face="monospace">storage.fips-mode-rchecksum: on</font><br>
<font face="monospace">performance.open-behind: off</font><br>
<font face="monospace">performance.lazy-open: no</font><br>
<font face="monospace">cluster.self-heal-daemon:
enable</font><br>
</p>
</blockquote>
<p><font size="+1"><font face="monospace">- The nodes use
Oracle Linux 7.9 (RedHat clone) and GlusterFS 8.5</font></font></p>
<p><font size="+1"><font face="monospace">- The tasks use
the PHP rename() function<br>
</font></font></p>
<p><font size="+1"><font face="monospace">- The tasks
renaming files are executed IN ONE NODE OF THE
CLUSTER that mounts the volume using the FUSE client</font></font></p>
<p><font size="+1"><font face="monospace">- At the end of
the message I paste a (very) little fragment of the
volume log</font></font></p>
<p><font size="+1"><font face="monospace"><br>
</font></font></p>
<p><font size="+1"><font face="monospace">Any ideas of the
possible cause of the problem and/or suggestions to
avoid it?</font></font></p>
</div>
</blockquote>
<div><br>
</div>
<div>Most probably the issue is caused by special internal
files needed by Gluster that are used to reference the
correct location of a file in a distributed volume (they are
referred as linkto files). I would say the error happens
because those files already exist when it's expected that
they don't exist (I think it's a similar problem as <a
href="https://github.com/gluster/glusterfs/issues/1723"
moz-do-not-send="true">https://github.com/gluster/glusterfs/issues/1723</a>).</div>
<div><br>
</div>
<div>Are you using FUSE mounts ? are you doing the renames
from more than one client ?</div>
<div><br>
</div>
<div>Regards,</div>
<div><br>
</div>
<div>Xavi</div>
<div><br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p><font size="+1"><font face="monospace">Regards.</font></font></p>
<p><font size="+1"><font face="monospace"><br>
</font></font></p>
<p><font size="+1"><font face="monospace">This is the
fragment of the log:</font></font></p>
<p><font size="+1"><font face="monospace">* I've
"separated" the lines by "rename operation" but all
the lines appear together in the log<br>
</font></font></p>
<blockquote>
<p><font face="monospace">--->SUCCESSFUL RENAME:</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.478321] I
[MSGID: 109066] [dht-rename.c:1955:dht_rename]
2-moodle-cv-dht: renaming
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e50272f326.07618090.temp
(4a875eac-5389-400c-9359-458e151054f7)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
=>
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
(11fdf019-16f8-48ae-bd1f-05b670b29ec1)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-2)</font></p>
<p><font face="monospace">--->UNSUCCESSFUL RENAME: <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.497845] I
[MSGID: 109066] [dht-rename.c:1955:dht_rename]
2-moodle-cv-dht: renaming
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502771a44.52737408.temp
(350698df-35d9-4489-90cc-faa004bfc861)
(hash=moodle-cv-replicate-0/cache=moodle-cv-replicate-0)
=>
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
(4a875eac-5389-400c-9359-458e151054f7)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
<br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.503271] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-0: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502771a44.52737408.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.503339] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-1: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502771a44.52737408.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.503393] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-2: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502771a44.52737408.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.504997] W
[fuse-bridge.c:2500:fuse_rename_cbk]
0-glusterfs-fuse: 781438412:
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502771a44.52737408.temp
->
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
=> -1 (File exists)</font></p>
<p><font face="monospace">--->UNSUCCESSFUL RENAME:<br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.729314] I
[MSGID: 109066] [dht-rename.c:1955:dht_rename]
2-moodle-cv-dht: renaming
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502b00578.34807541.temp
(5bff6629-80b8-4d9c-8e37-abfa7691124e)
(hash=moodle-cv-replicate-1/cache=moodle-cv-replicate-1)
=>
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
(4a875eac-5389-400c-9359-458e151054f7)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
<br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.735631] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-5: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502b00578.34807541.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.735709] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-4: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502b00578.34807541.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.735747] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-3: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502b00578.34807541.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.737356] W
[fuse-bridge.c:2500:fuse_rename_cbk]
0-glusterfs-fuse: 781438861:
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502b00578.34807541.temp
->
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
=> -1 (File exists)</font><font size="+1"><font
face="monospace"><br>
</font></font></p>
<p><font face="monospace">--->SUCCESSFUL RENAME:</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.799776] I
[MSGID: 109066] [dht-rename.c:1955:dht_rename]
2-moodle-cv-dht: renaming
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502c175a4.68869416.temp
(82725bab-b888-4d24-b239-31b86f50425f)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
=>
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
(4a875eac-5389-400c-9359-458e151054f7)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
<br>
</font></p>
<p><font face="monospace">--->UNSUCCESFULL RENAME:<br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.963545] I
[MSGID: 109066] [dht-rename.c:1955:dht_rename]
2-moodle-cv-dht: renaming
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502e973d1.55328482.temp
(b3c5435c-f79b-402f-ba00-0e78dcdb6cd2)
(hash=moodle-cv-replicate-1/cache=moodle-cv-replicate-1)
=>
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
(82725bab-b888-4d24-b239-31b86f50425f)
(hash=moodle-cv-replicate-3/cache=moodle-cv-replicate-3)
<br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.968665] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-5: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502e973d1.55328482.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.968801] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-4: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502e973d1.55328482.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.968847] W
[MSGID: 114031]
[client-rpc-fops_v2.c:2464:client4_0_link_cbk]
2-moodle-cv-client-3: remote operation failed.
[{source=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502e973d1.55328482.temp},
{target=/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache},
{errno=17}, {error=File exists}] <br>
</font></p>
<p><font face="monospace">[2021-09-03 09:04:02.970438] W
[fuse-bridge.c:2500:fuse_rename_cbk]
0-glusterfs-fuse: 781439391:
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/Cb511LuXTg.6131e502e973d1.55328482.temp
->
/2021_2022/cache/cachestore_file/default_application/core_eventinvalidation/5ea-cache/5ea912b69c8e3655eb5275f8c49b7a7265066e4d.cache
=> -1 (File exists)</font><font size="+1"><font
face="monospace"><br>
</font></font></p>
</blockquote>
<p><font size="+1"><font face="monospace"><br>
</font></font></p>
<div>-- <br>
<br>
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<p><span>Jose Manuel Blanco</span><br>
<br>
<span>Analista Sistemas</span> · <span><a
href="mailto:josemanuel.blanco@uva.es"
target="_blank" moz-do-not-send="true">josemanuel.blanco@uva.es</a></span><br>
<span>Tfno.: (+34) 983 18 6411</span></p>
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________<br>
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<br>
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