Veritas-bu

[Veritas-bu] logic behind allocation of fragments to tape

2003-01-28 12:29:33
Subject: [Veritas-bu] logic behind allocation of fragments to tape
From: Fabbro.Andrew AT cnf DOT com (Fabbro, Andrew P)
Date: Tue, 28 Jan 2003 09:29:33 -0800
If you mean DLT IV, the capacity is 35/70GB.  You only get 70GB at 2:1
compression.  Some sites get that and some don't, depending on your data
(I've seen more like 1.3-1.6 in real world).  Are the tapes marked full?
The available_media report will tell you.

A couple pieces of data are missing: your number of drives and MPX per
drive.  If you have MPX set low (e.g., 1) and have 6 drives, then NetBackup
may try to use all drives at once to speed your restore.

--
 Drew Fabbro [fabbro.andrew AT cnf DOT com]
 Unix Systems Group
 Desk: 503-450-3374
 Cell: 503-701-0369

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