Veritas-bu

Re: [Veritas-bu] inline tape copy using local device and remote device

2008-03-11 14:25:07
Subject: Re: [Veritas-bu] inline tape copy using local device and remote device
From: "Paul Keating" <pkeating AT bank-banque-canada DOT ca>
To: "mark wragge" <mark_t_wragge AT yahoo DOT ie>, <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Tue, 11 Mar 2008 13:48:10 -0400
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.
 
Paul
 
 
--
-----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.
 
Thanks.

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