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From: tim@watson.bcm.tmc.edu (Timothy Owen Lesniak)
Newsgroups: comp.sys.dec
Subject: various tape capacities
Keywords: TK70, TK50, 1/2"
Message-ID: <1806@gazette.bcm.tmc.edu>
Date: 31 Aug 90 18:42:34 GMT
Sender: usenet@bcm.tmc.edu
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Nntp-Posting-Host: bcm.tmc.edu


	I'm trying to determine the best type of media to use
for backing up essential files for a disaster recovery plan.
One of the factors I need to think about is the amount of data
each of the availabe media can hold.  Can anyone out there
tell me how much the following will hold (in megabytes):

TK70
TK50
1/2" (reel-to-reel on a TU81 at 6250 bpi)

	Also, can anyone tell me where I can find this information
for future reference.

Thanks,
Tim
tim@bcm.tmc.edu 

P.S.  We currently use 8mm tape drive to do our regular backups, but we
need to be able to have some data on one of the three previously mentioned\
media types since there aren't many 8mm drives on other systems that we
could recover to.