Marko, I haven't done this myself, so use at your own risk, but from the archlinux wiki, there's an example of using udev to set one scheduler for non-rotational disks and another for rotational, which sounds like a good general solution for what you're looking for here: https://wiki.archlinux.org/index.php/Solid_State_Drives#Using_udev_for_one_device_or_HDD.2FSSD_mixed_environment Cheers, -Shaun -----Original Message----- From: xfs-bounces@xxxxxxxxxxx [mailto:xfs-bounces@xxxxxxxxxxx] On Behalf Of Marko Weber|8000 Sent: Monday, March 17, 2014 12:26 PM To: Xfs Subject: Re: elevator question Am 2014-03-17 16:39, schrieb Grozdan: > On Mon, Mar 17, 2014 at 4:35 PM, Marko Weber|8000 <weber@xxxxxxxxxx> > wrote: >> >> hello list, >> in the xfs faq i read elevator=noop is best when using ssd. >> i have the gentoo system on a ssd, but the larger data storage >> partition on softraid with some sata disks. >> is elevator=noop in this combo still best? >> >> thx for any cunstructive answer >> >> marko > > noop and deadline are best for SSDs. deadline is best for spinning > disks with XFS, especially in RAID. Stay away from CFQ as it kills > parallelism in XFS thx grozdan, but what, if i have mixed setup in a server ssd + sata ?? marko > >> >> >> >> -- >> zbfmail - Mittendrin statt nur Datei! >> >> OpenDKIM, SPF, DSPAM, Greylisting, POSTSCREEN, AMAVIS, Mailgateways >> Mailfiltering, SMTP Service, Spam Abwehr, MX-Backup, Mailserver >> Backup Redundante Mailgateways, HA Mailserver, Secure Mailserver >> >> _______________________________________________ >> xfs mailing list >> xfs@xxxxxxxxxxx >> http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
