From owner-freebsd-hardware Sat Sep 13 16:41:50 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id QAA06377 for hardware-outgoing; Sat, 13 Sep 1997 16:41:50 -0700 (PDT) Received: from pegasus.com (pegasus.com [206.127.225.31]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id QAA06372 for ; Sat, 13 Sep 1997 16:41:44 -0700 (PDT) Received: by pegasus.com (8.6.8/PEGASUS-2.2) id NAA23393; Sat, 13 Sep 1997 13:41:23 -1000 Date: Sat, 13 Sep 1997 13:41:23 -1000 From: richard@pegasus.com (Richard Foulk) Message-Id: <199709132341.NAA23393@pegasus.com> In-Reply-To: Tom "Re: Micropolis Runs Too HOT!" (Sep 13, 1:28pm) X-Mailer: Mail User's Shell (7.2.5 10/14/92) To: freebsd-hardware@FreeBSD.ORG Subject: Re: Micropolis Runs Too HOT! Sender: owner-freebsd-hardware@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk } } Microcopolis drives suck. You will need to mount a fan near the drive. } } I have two Micropolis 3243 drives. I eventually mounted two 50 CFM fans } on the case, which kept the drives at room temperate. This worked well, } but then one of the drives begain to develop bad sectors. I turned } auto-remapping on, and the problem disappeared for a while, and then } returned presumably because the spare area was full. This same drive } started to hang on a weekly basis, and require a power cycle to be } properly detected by the controller (same situation as your drive). Was } definitely not heat related, as the drives are *well* cooled. Seems to be } a software problem. } } I also have some more Microcrapolis horror stories involving a 24GB } drive array. Microcrapolis engineers actually came onsite for this one, } and did firmware upgrades, twice. After a year, the entire thing was sent } back for full credit. } } Unless you like to punish yourself, DON'T get Micropolis drives. } Micropolis has a reputation for poor quality control going back many years. I know of three vendors that swore them off at various stages -- mostly due to multiple DOAs. They tend to have more bad sectors when new than many of their competitors. Richard