Videotape unreliable?
jimc at math.ucla.edu
jimc at math.ucla.edu
Wed Dec 21 12:05:22 AEST 1988
We have a 8mm 2.2Gbyte SCSI tape system from Software Associates which we
are using for dumps, about 1 Gbyte in 16 various-sized files. This system
uses the standard Sun SCSI driver (SunOS v3.5). Frequently it performs
fine, but on 10-20% of the dump sets it will dump a few files, get an I/O
error, and be unable to recover. That is, that dump cannot continue and
all subsequent dumps also get I/O errors, likely on the first write. This
behavior seems like a bad spot on tape but is not repeatable.
Has anyone seen this behavior -- and what did you do about it? If the
cure is a smarter device driver that can recover from temporary write
failures, a pointer to such a driver would be appreciated. Thank you.
James F. Carter (213) 825-2897
UCLA-Mathnet; 6608B MSA; 405 Hilgard Ave.; Los Angeles, CA 90024-1555
ARPA: jimc at math.ucla.edu BITNET: jimc%math.ucla.edu at INTERBIT
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