scsi tape errors
Dan Nelson
dnelson at allantgroup.com
Tue Mar 16 19:18:05 PST 2004
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 at allantgroup.com
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