Help with uda errors
Eric Pearce
eap at bu-cs.BU.EDU
Wed Dec 28 14:50:56 AEST 1988
We had some similar errors on a RA81 on a VAX 750 running 4.3 BSD:
Dec 20 17:14:32 bucsb vmunix: uda0: soft error, disk transfer error,
unit 2, grp 0x0, hdr 0xd4c27, event 0650
Dec 20 17:14:32 bucsb vmunix: uda0: soft error, disk transfer error,
unit 2, grp 0x0, hdr 0xd4ef1, event 0650
I did a level 0 dump of the entire disk. DEC ran 'EVRLB' from the
diag supervisor and then I restored the disk. So far, no errors.
Was this the "correct" thing to do? DEC said the drive was ok as far
as they could tell, but they would replace the HDA if I got errors
after doing the format.
I would be interested in hearing about tools I could use to map out
bad blocks or sectors (I have done this without too much trouble on
the Sun, Encore and Celerity products).
-e
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