Date: Wed, 24 Sep 1997 20:55:18 +0200 (MET DST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: Shimon@i-Connect.Net (Simon Shapiro) Cc: freebsd-scsi@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: DPT Firmware Problem Message-ID: <199709241855.UAA01561@yedi.iaf.nl> In-Reply-To: <XFMail.970923155616.Shimon@i-Connect.Net> from "Simon Shapiro" at Sep 23, 97 03:56:16 pm
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As Simon Shapiro wrote... > Again, apologies for the cross posting. > > We have discovered a serious bug in the DPT firmware, Version 7L0. > > It manifests itself in the following manner (at least): > > * On Single Ended controllers; The ``Shelf Good'' signal reaches the DPT > from the disk bay, but the HBA equivalent (HBA Good) does not reach the > disk bay. As a result, the fault light remains on, and the disk > cassettes will erratically display the fault light. > > * On differential controllers connected via Diff-SE adaptor; A whole bus > will seem to have disappeared. If you struggle with the cables, you MAY > see it for a while, but it will not survive a re-boot. > > Solution: Roll back to (ar stay at) the 7H firmware. I have posted 7H3 > firmware in ftp://sendero-ppp.i-connect.net/crash/476d07h3.fwi > There are no restrictions on downloading it. > > We know of this problem with several StorageWorks disk bays, ours included. > We have not tested it with other disk bays, and drives which are directly > connected are NOT effected. Simon, Could you get me more info on the problems with the StorageWorks shelves? I work in DEC Storage engineering and might be able to help you with this problem. What shelves do you use? WHich disks? Revisions etc. I assume things like the Shelve OK jumpers are set correctly? Wilko _ ____________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl http://www.tcja.nl/~wilko |/|/ / / /( (_) Arnhem, The Netherlands - Do, or do not. There is no 'try' ----------------------------------------------------------------------Yoda
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