Date: Wed, 1 Nov 2000 01:04:39 -0400 (AST) From: The Hermit Hacker <scrappy@hub.org> To: Tom Samplonius <tom@sdf.com> Cc: freebsd-scsi@freebsd.org Subject: Re: iostat: tps for SCSI drives ... Message-ID: <Pine.BSF.4.21.0011010103540.494-100000@thelab.hub.org> In-Reply-To: <Pine.BSF.4.05.10010312029050.24950-100000@misery.sdf.com>
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On Tue, 31 Oct 2000, Tom Samplonius wrote: > > On Wed, 1 Nov 2000, The Hermit Hacker wrote: > > > On Tue, 31 Oct 2000, Tom Samplonius wrote: > > > > > > > > On Tue, 31 Oct 2000, The Hermit Hacker wrote: > > > > > > > Okay, how do I read this: > > > > > > > > pgsql# camcontrol tags da0 -v > > > > (pass0:ahc0:0:0:0): dev_openings 41 > > > > (pass0:ahc0:0:0:0): dev_active 0 > > > > (pass0:ahc0:0:0:0): devq_openings 41 > > > > (pass0:ahc0:0:0:0): devq_queued 0 > > > > (pass0:ahc0:0:0:0): held 0 > > > > (pass0:ahc0:0:0:0): mintags 2 > > > > (pass0:ahc0:0:0:0): maxtags 255 > > > > > > I wonder why dev_openings is lower than maxtags? > > > > anything I can look at/check to find out? > > Don't know... do you get kernel messages that the kernel is reducing > openings? Lots of stuff in the archives about how the kernel can reduce > openings if a drive reports errors. If openings is getting lower, that > must be happening. See what it is like after a fresh boot. not that I've noticed, but its been up 35 days and I don't have /var/log/messages that go back that far ... will take a peak for that, and check camcontrol, after next reboot ... thanks again To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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