Date: Wed, 1 Nov 2000 09:46:39 -0800 (PST) From: Tom Samplonius <tom@sdf.com> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: The Hermit Hacker <scrappy@hub.org>, freebsd-scsi@FreeBSD.ORG Subject: Re: iostat: tps for SCSI drives ... Message-ID: <Pine.BSF.4.05.10011010945160.4508-100000@misery.sdf.com> In-Reply-To: <200011010510.eA15Aja05833@aslan.scsiguy.com>
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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
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