ADSM-L

AW: Reset 3590 tape drive block size for ADSM

1997-05-05 07:44:43
Subject: AW: Reset 3590 tape drive block size for ADSM
From: "Bartl, Michael" <michael.bartl AT ZENTRALE.ADAC DOT DE>
Date: Mon, 5 May 1997 12:44:43 +0100
Our ADSM/MVS System uses the blocksize that is preset in SMS. On 3490E
cartridges the blocksize is actually 32760.

Regards,
Michael
--
Michael H. Bartl, ADAC e.V. (IDL/PPO)
Michael H. Bartl, ADAC e.V. (IDL/PPO)
Tel.: (089) 7676-4063, Fax: (089) 7676-8161
EMail: Michael.Bartl AT Zentrale.ADAC DOT de

>>----------
>>Von:  BELL, CRAIG[SMTP:rcbell AT VNET.IBM DOT COM]
>>Gesendet:     Samstag, 3. Mai 1997 15:46
>>An:   ADSM-L AT VM.MARIST DOT EDU
>>Betreff:      Reset 3590 tape drive block size for ADSM
>>
>>ADSM sets the block size of all its tape/optical devices internally.
>>Setting it in smit has no effect, except for tar, dd, and any other
>>applications that do no set it themselves.
>>
>>ADSM uses variable blocking on all tapes, ie. blocksize is 0.  Generally
>>however, for 3590 it will attempt to write out a full 256K block, which
>>is the largest allowed blocksize with variable blocking.  Some blocks,
>>eg. the last block in a series, will be shorter.
>>
>>Craig Bell
>
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