Date: Sat, 20 Oct 2012 09:04:33 -0700 From: Artem Belevich <art@freebsd.org> To: Dennis Glatting <freebsd@pki2.com> Cc: freebsd-fs@freebsd.org, Andriy Gapon <avg@freebsd.org> Subject: Re: ZFS hang status update Message-ID: <CAFqOu6gE2m9B2y_FkSD3zNxO8_770VmZRb2huio0ir4msf57Wg@mail.gmail.com> In-Reply-To: <1350711509.86715.59.camel@btw.pki2.com> References: <1350698905.86715.33.camel@btw.pki2.com> <1350711509.86715.59.camel@btw.pki2.com>
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On Fri, Oct 19, 2012 at 10:38 PM, Dennis Glatting <freebsd@pki2.com> wrote: > This is da0 (the cache --SSD) on which camcontrol hanged. It is on the > same controller. > > da0 at mps0 bus 0 scbus0 target 3 lun 0 > da0: <ATA M4-CT256M4SSD2 000F> Fixed Direct Access SCSI-6 device > da0: 600.000MB/s transfers > da0: Command Queueing enabled > da0: 244198MB (500118192 512 byte sectors: 255H 63S/T 31130C) Hmm.. It may be a coincidence, but at work I do see same 256G M4 SSDs used as L2ARC+swap hanging now and then. In my case they are connected to SATA2 on Supermicro X8DTi-F motherboard (ICH10?) running FreeBSD8-stable/amd64. It does not happen often -- few times for the last half a year or so. I was hoping that new firmware would fix the issue, but firmware rev 000f still hangs. Crucial had released new firmware (010G) few weeks back but I didn't try it yet. --Artem
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