[mythtv-users] Horrendous RAID-6 performance
Andy Burns
fedora at adslpipe.co.uk
Sat Mar 29 10:05:13 UTC 2008
On 28/03/2008 21:34, Yan Seiner wrote:
> My system has a 1.2 TB RAID-6 formatted as a single ext3 partition. All
> was well for a while, then I had a minor crash, and had to repair the
> raid. (manual fsck kind of repair).
>
> Now I get absolutely horrible RAID performance:
check the readahead parameter for the individual disk devices and the
array block device (and the LVM if you're using that on top) using
blockdev --report
make sure the array has at least the same size as the disks, if
necessary increase with
blockdev --setra [nnnn]
More information about the mythtv-users
mailing list