We are HP 9000, HPUX 11.11, Unidata 6.1 (I know it's old, I'm working on
getting it upgraded).

Lately, we have experienced a rash of Unidata files reported, by a program
that emulates or maybe even uses "guide", as damaged.  It is not always the
same files or even the same number of files.

This has become a daily occurrence and so far our NA has found no entries in
whatever logs he has been looking at that indicate problems with our RAID
array or anything else hardware-wise.  That doesn't mean it isn't hardware,
but we haven't found the smoking gun.

Anyway, I can use "fixfile" to repair the damage but it just keeps happening.

Below is what fixfile has to say when it fixed the latest victim (it looks
pretty much the same for any damaged file).  It doesn't mean much to me and I
don't know if it would help diagnose the problem, but I send it to you experts
in hopes you might have some ideas...
Sat Nov  8 06:39:51 1:Grpno error. blkbuf->group=0, U_groupno=28459,  error in
U_blkread for file '/<snip>/STUDENT.ACAD.CRED', key '', number=28459
Sat Nov  8 06:39:51 1:Grpno error. blkbuf->group=0, U_groupno=28459,  error in
U_blkread for file '/<snip>/STUDENT.ACAD.CRED', key '', number=28459
1:Grpno error. blkbuf->group=0, U_groupno=28459,  error in U_blkread for
file'/<snip>/STUDENT.ACAD.CRED', key '', number=28459
Sat Nov  8 06:39:51 1:blkread error in U_read_group for
file'/<snip>/STUDENT.ACAD.CRED', key '', number=28459
Sat Nov  8 06:39:51 1:blkread error in U_read_group for
file'/<snip>/STUDENT.ACAD.CRED', key '', number=28459
1:blkread error in U_read_group for file '/<snip>/STUDENT.ACAD.CRED', key '',
number=28459
Sat Nov  8 06:39:51 1:U_read_group error in dumpgroup for
file'/<snip>/STUDENT.ACAD.CRED', key '', number=0
Sat Nov  8 06:39:51 1:U_read_group error in dumpgroup for
file'/<snip>/STUDENT.ACAD.CRED', key '', number=0
1:U_read_group error in dumpgroup for file '/<snip>/STUDENT.ACAD.CRED', key
'', number=0
1 block (including the group header) in group 28459 of
/<snip>/STUDENT.ACAD.CRED made empty.
0 record written to group 28459 of file /<snip>/STUDENT.ACAD.CRED .

Any and all suggestions gratefully accepted,
Pat Watson
College of the Redwoods
[EMAIL PROTECTED]
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