Date: Mon, 14 Jun 2004 06:52:52 -0600 (MDT) From: so14k@so14k.com To: "Jason Thomson" <jason.thomson@mintel.com> Cc: freebsd-stable@freebsd.org Subject: Re: 3ware 7506, FreeBSD 4.x, Maxtor Disks & SMART Problems. Message-ID: <52270.24.8.51.173.1087217572.squirrel@webmail.liquidneon.com> In-Reply-To: <40CD80F1.6020107@mintel.com> References: <40CD80F1.6020107@mintel.com>
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> We have a number of FreeBSD boxes with 7506 series 3ware controllers > (about 10 and about to buy 10 more). We are generally happy with the > performance and reliability, but we have a few intermittent, recurring > problems. > > With some of our boxes we are using 300GB / 320GB Maxtor Maxline II disks. > > Occasionally, a machine with these disks will lock up hard; the 3ware > controller has stopped responding. After taking the machine offline, > and using MAXTOR PowerMax tools to analyse the disks, it becomes clear > that one of the disks has errors. > > I have suspicions that the Maxtor disks are raising SMART events that > are not handled by the FreeBSD 3ware twe driver. > > Is this a plausible explanation? > > Is anyone else aware of this issue, and is there anything we can do to > solve / work around this problem? > > (We've tried disabling SMART on the disks - but the 7506 card re-enables > it). > > > > More information: > > This is happening on at least 3 machines. > > The first time it happened, we upgraded to FreeBSD 4.10-PRERELEASE > (cvsupped May 4th). This uses the 3ware imported drivers. (We also > applied the stability patch posted to the Stable list in a bout of straw > clutching). > > We have since seen the same problem on two additional machines (running > 4.9-STABLE from Feb 2nd and April 4th). We haven't yet upgraded these > machines - might do soon. > > I have sent an email to support@3ware.com - no response yet - but I only > sent it last Friday. IIRC, the ATA driver in 4.x (pre ATAng) doesn't support S.M.A.R.T. Unfortunately you'll need to run 5.2-CURRENT for that. Regards, Brad Davis
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