From owner-freebsd-scsi Wed Nov 1 10:11:48 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from misery.sdf.com (misery.sdf.com [204.244.213.49]) by hub.freebsd.org (Postfix) with ESMTP id E215437B4CF for ; Wed, 1 Nov 2000 10:11:44 -0800 (PST) Received: from tom (helo=localhost) by misery.sdf.com with local-esmtp (Exim 2.12 #1) id 13r1yE-0001Fd-00; Wed, 1 Nov 2000 09:46:42 -0800 Date: Wed, 1 Nov 2000 09:46:39 -0800 (PST) From: Tom Samplonius To: "Justin T. Gibbs" Cc: The Hermit Hacker , freebsd-scsi@FreeBSD.ORG Subject: Re: iostat: tps for SCSI drives ... In-Reply-To: <200011010510.eA15Aja05833@aslan.scsiguy.com> 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, Justin T. Gibbs 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? > > Maxtags is the limit imposed by the quirk entry matching the device. Then I'm guessing that the kernel has reduced the number of dev_openings because the drive has reported errors when there were lots of outstanding tags? > -- > Justin > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message