From owner-freebsd-scsi@FreeBSD.ORG Sat Aug 12 18:02:06 2006 Return-Path: X-Original-To: freebsd-scsi@freebsd.org Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7481A16A4DD for ; Sat, 12 Aug 2006 18:02:06 +0000 (UTC) (envelope-from lydianconcepts@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.186]) by mx1.FreeBSD.org (Postfix) with ESMTP id 57E8943D5D for ; Sat, 12 Aug 2006 18:01:51 +0000 (GMT) (envelope-from lydianconcepts@gmail.com) Received: by nf-out-0910.google.com with SMTP id g2so1468569nfe for ; Sat, 12 Aug 2006 11:01:50 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=fNmF+yncSMtcGSzy/k/6Sywkm0sOBlw7cqGDnueux0BkiAyMk9FD3LMoM1mqOlqlai/NmCJ5sCdlhiVGlN1GI4HHN2ltxvCp1CevDkLQrezRtTCRmDgp/ZYR8SqNl6rTJSWBpo8CO71oreMF/3GSJSo2ICWG7vsv5//9eiTU7FE= Received: by 10.78.127.6 with SMTP id z6mr2662719huc; Sat, 12 Aug 2006 11:01:50 -0700 (PDT) Received: by 10.78.134.9 with HTTP; Sat, 12 Aug 2006 11:01:49 -0700 (PDT) Message-ID: <7579f7fb0608121101g112e006cy1112d282fab753d3@mail.gmail.com> Date: Sat, 12 Aug 2006 11:01:49 -0700 From: "Matthew Jacob" To: "Eric Anderson" In-Reply-To: <44DCA9F1.1000302@centtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <44DB8A9C.8090609@centtech.com> <44DC6F9F.4060405@centtech.com> <20060811154348.GA83765@chuggalug.clues.com> <44DCA9F1.1000302@centtech.com> Cc: freebsd-scsi@freebsd.org Subject: Re: isp issues on recent -STABLE X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Aug 2006 18:02:06 -0000 Hmm. I have no special help on this one. This doesn't seem *particularly* related to any changes I've made recently. If you could isolate a date/change when this occurred for you it would help. All I see in the messages below is indications that we've given your storage way too much work to do. On 8/11/06, Eric Anderson wrote: > On 08/11/06 10:43, Geoff Buckingham wrote: > > On Fri, Aug 11, 2006 at 06:53:03AM -0500, Eric Anderson wrote: > >> [..snip..] > >> Aug 9 23:02:10 snapshot1 kernel: isp0: command timed out for 0.2.2 > >> Aug 9 23:02:10 snapshot1 kernel: (da8:isp0:0:2:2): Command timed out > >> Aug 9 23:02:10 snapshot1 kernel: (da8:isp0:0:2:2): Retrying Command > >> Aug 9 23:26:58 snapshot1 kernel: (da3:isp0:0:1:0): Queue Full > >> Aug 9 23:26:58 snapshot1 kernel: (da3:isp0:0:1:0): tagged openings now 254 > > > > I don't what may have changed in the driver recently, but from your post > > you seem to be using the FC isp and potentially a "SAN" presenting arrays as > > luns to you rather than JBOD on a loop or switch. > > > > If you you have some kind of data mover presenting arrays, your SAN vendor > > may well recomend a maximum queue size per lun (often 20-30) > > I have this one host connected to a single QLogic fiber channel switch, > which has 5 ACNC fiber channel arrays attached to it, along with a tape > robot and tape drives. Three of the arrays present 3 LUNs each (2TB per > LUN), and two of them present 2 LUNs each, 4GB and 10TB - I'm not using > these two arrays much yet, and are not really associated with the problems. > > > man camcontrol, look at the tags section. > > > > Your commands may be timing out because you have managed to queue too many > > command (which I hope should not happen). Or..... > > > > Your queues could be filling because your commands are timing out. Which > > would imply something is broke :-( > > Strange that I've never hit this in the past, but now I seem to be > hitting it quite often. The vendor of the arrays says queue depth is > 256 per LUN, and that coincides with my messages above I believe. > > Eric > > > > -- > ------------------------------------------------------------------------ > Eric Anderson Sr. Systems Administrator Centaur Technology > Anything that works is better than anything that doesn't. > ------------------------------------------------------------------------ > _______________________________________________ > freebsd-scsi@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-scsi > To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org" >