Date: Tue, 16 Mar 2004 21:18:03 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: David Bear <David.Bear@asu.edu> Cc: freebsd-questions@freebsd.org Subject: Re: scsi tape errors Message-ID: <20040317031802.GC6496@dan.emsphone.com> In-Reply-To: <20040317024639.GH6174@asu.edu> References: <20040317024639.GH6174@asu.edu>
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In the last episode (Mar 16), David Bear said: > I am getting error messages that don't make much sense. They would > lead me to beleive that the tape is bad... I guess. Yet, I have a > hard time beleiving that the two out of four tapes is bad. > > issuing an 'mt erase' it get an input/output error. > > below are the kernel messages. > > could two tapes suddenly just become 'bad'? > > Since these are ait tapes and have a 64k ram buffer, I'm wondering if > there may be some bad data there and if there is a way to clear it... > > The tape unit is a sony sdx300c. I've updated it to the latest > firmware. Its attached to an adaptec 2940wide. Is it possible that erasing an AIT tape takes more than 4 minutes? That's how long the cam layer will wait for an erase command to complete. Try adding options SA_ERASE_TIMEOUT=10*60 and rebuilding your kernel. -- Dan Nelson dnelson@allantgroup.com
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