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Article #118Re: Off Site Copies of VM/Archive Data
From: Ken Koester
Date: Fri, 20 Nov 1992 12:41
Date: Fri, 20 Nov 1992 12:41
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1714 bytes
On Thu, 19 Nov 1992 20:38:16 GMT Graham Bryan said: > >Normally we DO NOT write twins when running VMArchive. >(The main reason for this is that with only two tape drives you >couldn't then do merge/purge correctly) > A minor quibble: you *can* do merge/purge correctly in such a situation; you just can't create a twin for the merged tape. >However to make sure that we are in a 'reasonable' position to get >back a file in the event of a tape crash, we use VMBTCPY EXEC to >copy each set of VMARCH tapes as it is closed and move the copy >offsite. > An interesting idea. Will have to consider that for our site (although I'd rather get another tape unit or 2). +----------------------------------------------------------------------+ | Ken Koester, Systems Programmer | BITNET: MAINT2@ERS | | US Department of Agriculture | Tel: (202) 219-0577 | | Economic Research Service | Fax: (202) 219-1292 | | Data Services Center | (ATTN: Rm 110) | +----------------------------------------------------------------------+
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Date: Fri, 20 Nov 1992 07:41:08 EST
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From: Ken Koester <MAINT2@ERS.BITNET>
Subject: Re: Off Site Copies of VM/Archive Data
In-Reply-To: Message of Thu,
19 Nov 1992 20:38:16 GMT from <J.G.Bryan@BHAM.AC.U K>
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