We are doing this with primary going to
Data Domain and in line copy going to LTO1 (Ultrium) tape. So far it appears
that it runs at the rate of the slowest device (the LTO1) but other than that
we haven’t seen any issues with it.
From:
veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu]
On Behalf Of Paul Keating
Sent: Tuesday, March 11, 2008 1:48
PM
To: mark wragge;
veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] inline
tape copy using local device and remotedevice
The backup will run at the rate of the
slowest device.
keep in mind that if the slowest device
is not as fast as the minimum speed requirement of the faster device (a linear
tape drive) you could get back-hitching or shoe-shinging on the tape device,
which could slow your throughput even more.
--
-----Original Message-----
From:
veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of mark wragge
Sent: March 11, 2008 1:37 PM
To:
veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] inline tape
copy using local device and remote device
What are the guidelines for using inline tape copy in terms of speed of
devices that are being used. If one tape device can write faster than the
second then what would be the effects on inline tape copy? Would it fail?
Also, if i used inline tape copy to send one copy to a local disk
device and the 2nd copy to a remote disk device would this work. Assuming that
the 2nd disk device would have a slower write speed as it was across the WAN.
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