Date: Mon, 19 Nov 2012 17:05:44 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: =?ISO-8859-1?Q?Peter_Ankerst=E5l?= <peter@pean.org> Cc: freebsd-stable@FreeBSD.org Subject: Re: Poor iSCSI performance with istgt. Message-ID: <E1TaSuu-0007V2-TQ@kabab.cs.huji.ac.il> In-Reply-To: <50AA3FCD.7030808@pean.org> References: <E1TaRi4-0006IH-8u@kabab.cs.huji.ac.il> <50AA3FCD.7030808@pean.org>
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> > On 11/19/2012 02:48 PM, Daniel Braniss wrote: > > try increasing the tag opening - see camcontrol(8) > > > > danny > > > > > > > I tried camcontrol tags daX -N 32 (and a few different values) but cant > see any change in speeds. > > (pass25:iscsi0:0:0:0): dev_openings 30 > (pass25:iscsi0:0:0:0): dev_active 2 > (pass25:iscsi0:0:0:0): devq_openings 30 > (pass25:iscsi0:0:0:0): devq_queued 0 > (pass25:iscsi0:0:0:0): held 0 > (pass25:iscsi0:0:0:0): mintags 2 > (pass25:iscsi0:0:0:0): maxtags 255 I think there is some magic to allow istgt to do tagging, but at the moment can't find it, sorry. danny
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