Il 01/08/19 09:38, Marco Calistri ha scritto:
Il 31/07/19 11:04, Dominique Leuenberger ha
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> The described changes are computed based on the x86_64 DVD.
> The full online repo contains too many changes to be listed here.
> Please check the known defects of this snapshot before upgrading:
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> Packages changed:
> ImageMagick (126.96.36.199 -> 188.8.131.52)
> Mesa (19.1.2 -> 19.1.3)
After completing the update (zypper ref && zypper dup) I noticed the
following error on console:
dracut: FAILED: /usr/lib/dracut/dracut-install -D
/var/tmp/dracut.AzXLCU/initramfs -N i2o_scsi --kerneldir
/lib/modules/5.2.3-1-default/ -m bfq_iosched
Would like to know if it is a known problem and if are there any solutions.
Thanks and regards,
Well, rebooting I get BFQ scheduler working again, so this is not a problem.
In the meanwhile I noticed the new scheduler KYBER and I would like if
someone could be so kind to point me on a very brief but specific URL
where is being explained which scheduler is better in terms of I/O, for
a mechanical disk (HDD).
I'm trying the three available schedulers "on-the-fly", noticing very
small differences at first glance:
1- echo "none"|sudo tee /sys/block/sda/queue/scheduler
2- echo "mq-deadline"|sudo tee /sys/block/sda/queue/scheduler
3- echo "kyber"|sudo tee /sys/block/sda/queue/scheduler
4- echo "bfq"|sudo tee /sys/block/sda/queue/scheduler
[none] mq-deadline kyber bfq