Unable to load file systems view

wetling · 20. September 2020

I am running the openmediavault-unionfilesystems 5.1.2 plugin on OMV 5.5.10-1. Whenever I click the File Systems tab, the page just says "Loading..." indefinitely.

Looking at the end of /var/log/syslog is:

Zitat

Sep 20 12:00:01 nas1 CRON[18583]: (root) CMD (/usr/sbin/omv-mkrrdgraph >/dev/null 2>&1)
Sep 20 12:03:37 nas1 omv-engined[19447]: PHP Fatal error: Uncaught Error: Call to a member function get() on null in /usr/share/php/openmediavault/system/filesys$
Sep 20 12:03:37 nas1 omv-engined[19447]: Stack trace:
Sep 20 12:03:37 nas1 omv-engined[19447]: #0 /usr/share/openmediavault/engined/rpc/filesystemmgmt.inc(430): OMV\System\Filesystem\Backend\Mergerfs->getImpl('939d2$
Sep 20 12:03:37 nas1 omv-engined[19447]: #1 [internal function]: Engined\Rpc\OMVRpcServiceFileSystemMgmt->getList(Array, Array)
Sep 20 12:03:37 nas1 omv-engined[19447]: #2 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
Sep 20 12:03:37 nas1 omv-engined[19447]: #3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(149): OMV\Rpc\ServiceAbstract->callMethod('getList', Array, Arr$
Sep 20 12:03:37 nas1 omv-engined[19447]: #4 /usr/share/php/openmediavault/rpc/serviceabstract.inc(588): OMV\Rpc\ServiceAbstract->OMV\Rpc\{closure}('/tmp/bgstatus$
Sep 20 12:03:37 nas1 omv-engined[19447]: #5 /usr/share/php/openmediavault/rpc/serviceabstract.inc(159): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))
Sep 20 12:03:37 nas1 omv-engined[19447]: #6 /usr/share/openmediavault/engined/rpc/filesystemmgmt.inc(472): OMV\Rpc\ServiceAbstract->callMethodBg('getList', Array$
Sep 20 12:03:37 nas1 omv-engined[19447]: #7 [internal function]: Engined\Rpc\OMVR in /usr/share/php/openmediavault/system/filesystem/backend/mergerfs.inc on line$

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What can I do to resolve this issue?

wetling · 26. September 2020

Any thoughts here? What are my options?

crashtest · 27. September 2020

Have you tried removing and reinstalling the mergerfs plugin?

Note that you may have to reconnect shared folders to the new, reestablished, mergerfs mount point.

wetling · 3. Oktober 2020

What is the correct process for doing this re-install? I uninstalled the plugin and rebooted, but was dumped into emergency mode because of

Zitat

failed to mount /srv/9a8ccec1-5b67-4dda-bbc8-180527cee7c5

I commented out the line in fstab and was able to get back into OMV, but then I started getting:

Zitat

OMV\Exception: No filesystem backend exists for 'fuse.mergerfs'. in /usr/share/openmediavault/engined/rpc/filesystemmgmt.inc:424

Okay...so I went back to plugins and re-installed openmediavault-unionfilesystems 5.1.2 and re-created my pool. Now I am back where I started. I cannot see file systems so I can't setup a backup to my USB drive.

ryecoaaron · 4. Oktober 2020

What is the output of:

sudo omv-showkey mntent

sudo omv-showkey unionfilesystems

wetling · 4. Oktober 2020

mntent:

Code

      <mntent>
        <uuid>2baa5da9-90c9-43e4-9ef5-054a5e4638aa</uuid>
        <fsname>/dev/disk/by-label/tosh500gb</fsname>
        <dir>/srv/dev-disk-by-label-tosh500gb</dir>
        <type>ext4</type>
        <opts>defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
        <freq>0</freq>
        <passno>2</passno>
        <hidden>0</hidden>
      </mntent>
      <mntent>
        <uuid>6408d049-e2d6-4eff-bbd7-69b111d7d7d9</uuid>
        <fsname>/dev/disk/by-label/sea6tb</fsname>
        <dir>/srv/dev-disk-by-label-sea6tb</dir>
        <type>ext4</type>
        <opts>defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
        <freq>0</freq>
        <passno>2</passno>
        <hidden>0</hidden>
      </mntent>
      <mntent>
        <uuid>52710ab4-1e0a-4ceb-beac-3f487a64bd3d</uuid>
        <fsname>/dev/disk/by-label/wd2tb</fsname>
        <dir>/srv/dev-disk-by-label-wd2tb</dir>
        <type>ext4</type>
        <opts>defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
        <freq>0</freq>
        <passno>2</passno>
        <hidden>0</hidden>
      </mntent>
      <mntent>
        <uuid>37c73161-54ce-44c4-99e6-71d1f1e43da5</uuid>
        <fsname>/dev/disk/by-label/hit8tb</fsname>
        <dir>/srv/dev-disk-by-label-hit8tb</dir>
        <type>ext4</type>
        <opts>defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
        <freq>0</freq>
        <passno>2</passno>
        <hidden>0</hidden>
      </mntent>
      <mntent>
        <uuid>d0c646ce-7484-4362-b18d-9a51eee6ef5f</uuid>
        <fsname>/dev/disk/by-label/tos6tb</fsname>
        <dir>/srv/dev-disk-by-label-tos6tb</dir>
        <type>ext4</type>
        <opts>defaults,nofail,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl</opts>
        <freq>0</freq>
        <passno>2</passno>
        <hidden>0</hidden>
      </mntent>
      <mntent>
        <uuid>e064a31e-6da6-46be-b308-e35f007953e3</uuid>
        <fsname>939d23e5-46e6-4e55-a160-c542d73fde17</fsname>
        <dir>/srv/939d23e5-46e6-4e55-a160-c542d73fde17</dir>
        <type>fuse.mergerfs</type>
        <opts></opts>
        <freq>0</freq>
        <passno>0</passno>
        <hidden>1</hidden>
      </mntent>
      <mntent>
        <uuid>3d8a5162-2a85-4174-990f-2171436a6e37</uuid>
        <fsname>9a8ccec1-5b67-4dda-bbc8-180527cee7c5</fsname>
        <dir>/srv/9a8ccec1-5b67-4dda-bbc8-180527cee7c5</dir>
        <type>fuse.mergerfs</type>
        <opts></opts>
        <freq>0</freq>
        <passno>0</passno>
        <hidden>1</hidden>
      </mntent>
      <mntent>
        <uuid>1e6d4f43-e78c-416d-a9c5-f499456025a4</uuid>
        <fsname>580f97bf-4eaf-4d6c-9d67-ed1d035e2b7c</fsname>
        <dir>/srv/580f97bf-4eaf-4d6c-9d67-ed1d035e2b7c</dir>
        <type>fuse.mergerfs</type>
        <opts></opts>
        <freq>0</freq>
        <passno>0</passno>
        <hidden>1</hidden>
      </mntent>

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unionfilesystems:

Code

    <unionfilesystems>
      <filesystem>
        <uuid>580f97bf-4eaf-4d6c-9d67-ed1d035e2b7c</uuid>
        <name>pool1</name>
        <self_mntentref>1e6d4f43-e78c-416d-a9c5-f499456025a4</self_mntentref>
        <mntentref>d0c646ce-7484-4362-b18d-9a51eee6ef5f</mntentref>
        <mntentref>6408d049-e2d6-4eff-bbd7-69b111d7d7d9</mntentref>
        <mntentref>52710ab4-1e0a-4ceb-beac-3f487a64bd3d</mntentref>
        <create_policy>mfs</create_policy>
        <min_free_space>4G</min_free_space>
        <options>defaults,allow_other,cache.files=off,use_ino</options>
      </filesystem>
    </unionfilesystems>

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I assume I should be able to delete 9a8ccec1-5b67-4dda-bbc8-180527cee7c5 from config.xml, because that is the UUID of the pool before I uninstalled/re-installed the plugin.

ryecoaaron · 4. Oktober 2020

You have three pools in the mntent section but only one in the plugin. I would delete these old pools from the mntent section

<type>fuse.mergerfs</type>

</mntent>

<type>fuse.mergerfs</type>

</mntent>

wetling · 10. Januar 2021

Thanks, this was the issue.

Unable to load file systems view

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Unable to load file systems view