Having failed to fix the ugly partition system, we’re going for reconfiguring mysql to make it elsewhere. I followed this post to try to get the temporary directory to point to another partition: https://encylia.com/2015/02/06/how-to-change-the-mysql-tmp-location-on-centos/ by doing all of the following under sudo:
mkdir /home/mysqltmp chmod 1777 /home/mysqltmp nano /etc/my.cnf Add below line under the [mysqld] section and save the file: tmpdir=/home/mysqltmp systemctl restart mysqld This restart fails. If I restore the old my.cnf without the change, it works perfectly. Checking the log, it seems there’s a permissions issue: 2018-05-16T00:01:05.211853Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.22) starting as process 5929 ... 2018-05-16T00:01:05.214159Z 0 [Note] InnoDB: PUNCH HOLE support available 2018-05-16T00:01:05.214186Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2018-05-16T00:01:05.214191Z 0 [Note] InnoDB: Uses event mutexes 2018-05-16T00:01:05.214194Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 2018-05-16T00:01:05.214197Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3 2018-05-16T00:01:05.214202Z 0 [Note] InnoDB: Using Linux native AIO 2018-05-16T00:01:05.214382Z 0 [Note] InnoDB: Number of pools: 1 2018-05-16T00:01:05.214459Z 0 [Note] InnoDB: Using CPU crc32 instructions mysqld: Can't create/write to file '/home/mysqltmp/ibAcknwl' (Errcode: 13 - Permission denied) 2018-05-16T00:01:05.214535Z 0 [ERROR] InnoDB: Unable to create temporary file; errno: 13 2018-05-16T00:01:05.214542Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error 2018-05-16T00:01:05.214548Z 0 [ERROR] Plugin 'InnoDB' init function returned error. 2018-05-16T00:01:05.214551Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 2018-05-16T00:01:05.214554Z 0 [ERROR] Failed to initialize builtin plugins. 2018-05-16T00:01:05.214557Z 0 [ERROR] Aborting Any clues as to what I’ve done wrong? Thanks, Eric > On May 15, 2018, at 12:07 AM, Steven Haigh <net...@crc.id.au> wrote: > > Your ibtmp1 file will be written to /var/lib/mysql/ by default. That's on a > partition that is full. > > Either reconfigure mysql to create this elsewhere, or fix the ugly partition > system :) > > -- > Steven Haigh > > ? net...@crc.id.au ? > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.crc.id.au&d=DwIDaQ&c=C3yme8gMkxg_ihJNXS06ZyWk4EJm8LdrrvxQb-Je7sw&r=iUZ75NAR4hD2qziTurU89Tw8MeGe3cJQ6SpQAafuVT0&m=ziwKCJsn_tIEWNg9SSZnfZ62b3McsLUsMRm2PeXqh38&s=kCcOkUUIK1h2Ys9iKe-Z-bm0dQqcRyaBKpJPoZX5OXM&e= > ? +61 (3) 9001 6090 ? 0412 935 897
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