https://bugzilla.novell.com/show_bug.cgi?id=777450
https://bugzilla.novell.com/show_bug.cgi?id=777450#c2
Stanley Miller changed:
What |Removed |Added
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CC| |suse@stanmiller.info
--- Comment #2 from Stanley Miller 2012-09-01 09:03:24 MST ---
I'm not an expert but from my reading I plugged in these settings:
I set the scheduler for each drive (in my system with mixed drive types) that
can be done in /etc/init.d/boot.local:
echo noop >/sys/block/sda/queue/scheduler
echo cfq >/sys/block/sdb/queue/scheduler
I put these commands in the Grub2 bootloader command line as that was suggested
if the SSD holds the root file system:
elevator=noop
and
rootflags=data=writeback
The noop scheduler seems to avoid a possible short system hangs that I have
seen mentioned for the deadline scheduler in desktop use.
After looking at several articles on partitioning I decided to try the simplest
option I found that looked workable, using a start sector of 2048 which is a 1
MB offset that is supposed to work with any combination of SSD page size and
filesystem block size.
Adding check boxes for the nodiratime, writeback and discard options to the
fstab options screen would be nice too.
Whatever is done will be an improvement over the current situation but it is
probably far too much to expect to have everything needed for optimal SSD setup
done and tested for 12.2.
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