[gpfsug-discuss] LTFS/EE - fixing bad tapes..

[valdis.kletnieks at vt.edu]

So for a variety of reasons, we had accumulated some 45 tapes that
had found ways to get out of Valid status.  I've cleaned up most of
them, but I'm stuck on a few corner cases.

Case 1:
l% tfsee info tapes | sort | grep -C 1 'Not Sup'
AV0186JD  Valid          TS1150(J5)           9022          0          56  vbi_tapes     VTC      1148     -
AV0187JD  Not Supported  TS1150(J5)           9022       2179          37  vbi_tapes     VTC      1149     -
AV0188JD  Valid          TS1150(J5)           9022       1559          67  vbi_tapes     VTC      1150     -
--
AV0540JD  Valid          TS1150(J5)           9022       9022           0  vtti_tapes    VTC      1607     -
AV0541JD  Not Supported  TS1150(J5)           9022       1797           6  vtti_tapes    VTC      1606     -
AV0542JD  Valid          TS1150(J5)           9022       9022           0  vtti_tapes    VTC      1605     -

How the heck does *that* happen?  And how do you fix it?

Case 2: The docs say that for 'Invalid', you need to add it to the pool with -c.

% ltfsee pool remove -p arc_tapes -l ISB -t AI0084JD; ltfsee pool add -c -p arc_tapes -l ISB -t AI0084JD
GLESL043I(01052): Removing tape AI0084JD from storage pool arc_tapes.
GLESL041E(01129): Tape AI0084JD does not exist in storage pool arc_tapes or is in an invalid state. Specify a valid tape ID.
GLESL042I(00809): Adding tape AI0084JD to storage pool arc_tapes.

(Not sure why the last 2 messages got out of order..)

% ltfsee info tapes | grep AI0084JD
AI0084JD  Invalid LTFS   TS1150                  0          0           0  -             ISB      1262     -

What do you do if adding it with -c doesn't work?  Time to reformat the tape?


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