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  1. MariaDB Server
  2. MDEV-21709

ZFS snapdir=visible breaks Galera rsync SST replication

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    Description

      Using ZFS with the following example config:

      zfs create tank/mysql
      		 
      zfs set snapdir=visible tank/mysql
      		 
      zfs set mountpoint=/mysql tank/mysql

      my.cnf:

      [mysqld]
      		 
      datadir=/mysql
      		 
       
      		 
      [galera]
      		 
      wsrep_on=ON
      		 
      wsrep_sst_method = rsync

      rsync will attempt to sync the .zfs special folder, which breaks rsync (and thus sst replication)

      incoming patch in just a few minutes.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-21719 Set rsync to use MariaDB error.log

          • Major - Major loss of function.
          • Open

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            darkain Vincent Milum Jr added a comment -

            Is there any status on this issue? I've had an open PR for it for months now.

            https://github.com/MariaDB/server/pull/1445

            darkain Vincent Milum Jr added a comment - Is there any status on this issue? I've had an open PR for it for months now. https://github.com/MariaDB/server/pull/1445
            jplindst Jan Lindström (Inactive) added a comment -

            Is PR final, there was note that it did not fully solve the issue and have you tested table or database with .zfs name?

            jplindst Jan Lindström (Inactive) added a comment - Is PR final, there was note that it did not fully solve the issue and have you tested table or database with .zfs name?
            darkain Vincent Milum Jr added a comment -

            Yes, the PR is final. I have not personally tested with a table or database named .zfs, but that would be disallowed by the filesystem most likely. There is no real workaround for this. My primary concern was fixing Galera replication to work again.

            darkain Vincent Milum Jr added a comment - Yes, the PR is final. I have not personally tested with a table or database named .zfs, but that would be disallowed by the filesystem most likely. There is no real workaround for this. My primary concern was fixing Galera replication to work again.

            People

              jplindst Jan Lindström (Inactive)
              darkain Vincent Milum Jr
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                Updated:
                Resolved:

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