Hitachi 780 Mb SCSI BadBlocks?

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Article #5716

#5716

From: Ed A. Mills
Date: Tue, 06 Mar 1990 19:20

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Does anyone know how to identify and mark bad blocks on these generic SCSI drives?  I have a 160Mb Wren and a 780Mb Hitatchi, both of which contain 0  size for 
Badblk.sys file.  They are both installed on our VAXStation 3100 running VMS
5.2.

Ive tried >>>TEST 75 from the opcom prompt which ran for several hours but did
not create any bad block data.  I've also tried $ANALYZE/MEDIA which reported
123 bad blocks on the 780Mb drive, but would not output the data to a file.

Checking with DEC, they basically said that analyze/media only works with their
drives, and to ask the vendor.  The vendor doesn't seem to understand why 
there is a problem, and keeps sending me more and more drives to try (I have 6
now!)  

Thanx for any help.  PS: The drives continuously error to syserr.log saying
BAD SENSE DATA.  
Ed Mills
Melbourne, FL

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!rutgers!soleil!eam
From: eam@soleil.UUCP (Ed A. Mills)
Newsgroups: comp.sys.dec,comp.os.vms
Subject: Hitachi 780 Mb SCSI BadBlocks?
Keywords: TenX, SST, SCSI, Generic Drives
Message-ID: <970@soleil.UUCP>
Date: 6 Mar 90 19:20:46 GMT
Organization: Harris Semiconductor, Somerville, NJ
Lines: 17