Special ioctl doesn't work unless you use directfs (you're using ext4); see: https://mariadb.com/kb/en/fusionio-directfs-atomic-write-support/ On Wednesday, 11 June 2014, Daniel Black <daniel.black@openquery.com> wrote:
Hi,
I'm trying to get innodb_use_atomic_writes = 1 working on an ext4 on top of LVM on a ioDrive device with a RHEL6 kernel 2.6.32-358.6.2.el6.x86_64
and getting the following error. Which bit(s) need to change to get it working?
140611 7:43:46 InnoDB: Operating system error number 25 in a file operation. InnoDB: Error number 25 means 'Inappropriate ioctl for device'. InnoDB: Some operating system error numbers are described at InnoDB: http://dev.mysql.com/doc/refman/5.5/en/operating-system-error-codes.html InnoDB: File name ./ibdata1 InnoDB: File operation call: 'ioctl'. InnoDB: Error in opening ./ibdata1
-- -- Daniel Black, Engineer @ Open Query (http://openquery.com.au) Remote expertise & maintenance for MySQL/MariaDB server environments.
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