From owner-freebsd-scsi Tue Oct 31 21: 6:37 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from thelab.hub.org (CDR20-53.accesscable.net [24.138.20.53]) by hub.freebsd.org (Postfix) with ESMTP id D5E4137B4D7 for ; Tue, 31 Oct 2000 21:06:32 -0800 (PST) Received: from localhost (scrappy@localhost) by thelab.hub.org (8.11.1/8.11.1) with ESMTP id eA154d505130; Wed, 1 Nov 2000 01:04:39 -0400 (AST) (envelope-from scrappy@hub.org) X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs Date: Wed, 1 Nov 2000 01:04:39 -0400 (AST) From: The Hermit Hacker To: Tom Samplonius Cc: freebsd-scsi@freebsd.org Subject: Re: iostat: tps for SCSI drives ... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org 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