Date: Thu, 09 Feb 2012 13:37:03 -0500 From: Mike Tancsa <mike@sentex.net> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: Alexander Motin <mav@FreeBSD.org>, freebsd-stable@FreeBSD.org Subject: Re: siisch1: Error while READ LOG EXT Message-ID: <4F34124F.9090808@sentex.net> In-Reply-To: <20120209163415.GA96451@icarus.home.lan> References: <4F32E289.4080806@sentex.net> <mailpost.1328736521.3202974.81071.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <4F32F5B0.2060203@FreeBSD.org> <20120208223819.GA27488@icarus.home.lan> <4F32FB5E.7050102@FreeBSD.org> <4F33DB75.1080202@sentex.net> <20120209152240.GA95470@icarus.home.lan> <4F33F056.6070300@sentex.net> <20120209163415.GA96451@icarus.home.lan>
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On 2/9/2012 11:34 AM, Jeremy Chadwick wrote: > > You will probably need to "track these drives" on a regular basis. That > is to say, set up some cronjob or similar that logs the above output to > a file (appends data to it), specifically output from smartctl -A (not > -a and not -x) and smartctl -l sataphy on a per-disk basis. smartd can > track SMART attribute changes, but does not track GPLog changes. Make > sure to put timestamps in your logs. Thanks very much for having a look, and the suggestions. It think this is the way to go to see which drive my have errors incrementing. Alexander, is there a better way you can suggest ? > > As for fixing the problem: I have no idea how you would go about this. > Use of port multipliers involves additional cables, possibly of shoddy > quality, or other components which may not be decent/reliable. Possibly. Cables are one of those things I am happy to "pay extra for better quality" but how does one assess quality of such parts. > > Overall, this is just one of the many reasons why I avoid PMs, as well > as avoid eSATA (especially eSATA). Yeah, at some point it doesnt really work with too many PMs, especially if you cant query the thing to find out where things are "bad". I think for the next version of this box I will use the newer generation 3ware SAS/SATA controller ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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