THE WELCH COMPANY
440 Davis Court #1602
San Francisco, CA 94111-2496
415 781 5700


S U M M A R Y


DIARY: February 16, 2001 04:18 AM Friday; Rod Welch

Backup c13 FF with tape #14 to install full version w2k.

1...Summary/Objective
2...Exabyte Tape 21 Failed


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CONTACTS 

SUBJECTS
Exabyte Tape 15 Novaback Program
Stop Error During Verify of System Backup

0904 -    ..
0905 - Summary/Objective
0906 -
090601 - Follow up ref SDS 15 0000, ref SDS 14 0000.
090602 -
090603 - After installing and configuring the full version of w2k, did another
090604 - backup of c13 so we have a data set of a working configuration.
090605 -
090606 - Used tape 14 data and overwrite the backup on 010203. ref SDS 12 0001
090607 -
090608 - The log of the verify operation seems to indicate it stopped before
090609 - completing, similar to the blue screen Stop failure that occurred
090610 - during verify on 010214. ref SDS 15 8J8F
090611 -
090612 -
090613 -
090614 -  ..
0907 -
0908 -
0909 - 1243
0910 -
091001 - Ran another full file back using tape 15 to test system.  This was
091002 - appended to the backup on 010211. ref SDS 14 0001
091003 -
091004 - So, tape 15 has two data sets.
091005 -
091006 -
0911 -
0912 -
0913 - 1324
0914 -   ..
091401 - Backup completed, begin verify.
091402 -
091403 - W2K monitor and hard drive turn "off" configuration has been set to
091404 - "never."
091405 -
091406 - Intel BIOS was set for Power Management to be off
091407 -
091408 - Therefore, the monitor should stay on throughout the operation, even
091409 - there is no keyboard I/O  activity.
091410 -
091411 -
091412 -  ..
0915 -
0916 -
0917 - 1402
0918 -
091801 - Verify completed.  No errors reported.
091802 -
091803 - Since Power Management has been disabled in the BIOS and in W2K, in
091804 - another record, this may account for verify completing, since the
091805 - monitor and hard drive did not enter suspend mode.
091806 -
091807 -
091808 -
091809 -
0919 -

SUBJECTS
Tapes, Defective
Tape #21 Seems Broke
Exabyte Tape 21 Failed During Backup

1306 -
130601 -  ..
130602 - Exabyte Tape 21 Failed
130603 -
130604 - Follow up ref SDS 10 0001.
130605 -
130606 - While doing supplemental full file backups on c13 to recover from
130607 - failed w2k installation, tried to use the 2nd interim backup tape,
130608 - #21, and got message Novaback cannot read block #1.
130609 -
130610 - Tape #21 has interim backups through 010111, when tape #20 was begun.
130611 - So there was some history that tape #21 was okay, until today.
130612 -
130613 -      [On 010822 interim backup tape 20 also failed. ref SDS 18 0001
130614 -
130615 - Tried Novaback Tape Doctor program, but it could not read the tape to
130616 - attempt a solution
130617 - ..
130618 - Will try to erase the tape, as a way to clear it and retension.
130619 -
130620 - This seems to have worked to restore the tape so it can be used, but
130621 - raises question about integrity of other backups.
130622 -
130623 - Actually, it turned out not to work, so switched back to tape #20 for
130624 - interim backup.
130625 -
130626 -     [On 010403 tape #03 failed. ref SDS 17 5I9L
130627 -
130628 -
130629 -
130630 -
130631 -
130632 -
130633 -
130634 -
1307 -
1308 -
1309 -