I don't know about the error message, but RELOAD is a global right. I dont
think you are allowed to grant it to just a specific database instead of
all of mysql.
However the error message suggests something beyond that is going on.
--
Brian
On Thursday, March 30, 2023, Jeffrey Walton <noloader(a)gmail.com> wrote:
Hi Everyone,
A quick heads up for others in this situation... We attempted to
migrate to MW 1.38.6 tonight. Our first step is a manual backup.
We found our manual backup (and backups for the last couple of months)
have been failing (yuk!):
# /sbin/mw-backup
Repair wiki database ok
mysqldump: Couldn't execute 'FLUSH TABLES': Access denied; you need
(at least one of) the RELOAD or FLUSH_TABLES privilege(s) for this
operation (1227)
Failed to dump wiki database
It appears this is a known issue on Ubuntu:
https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/2003866
In our case, workarounds like adding RELOAD or FLUSH_TABLES to the
backup user also failed:
mysql> GRANT FLUSH_TABLES ON my_wiki.* TO 'mwuser'@'%';
ERROR 3619 (HY000): Illegal privilege level specified for FLUSH_TABLES
mysql> GRANT RELOAD ON my_wiki.* TO 'mwuser'@'%';
ERROR 1410 (42000): You are not allowed to create a user with GRANT
We reached our limit of knowledge for MySQL administration. I think we
will have to wait until the Ubuntu 2003866 bug is fixed.
Jeff
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