Networker

Re: [Networker] tape drive hardware compression a bad thing?

2003-01-29 11:07:45
Subject: Re: [Networker] tape drive hardware compression a bad thing?
From: Robert Maiello <robert.maiello AT MEDEC DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Wed, 29 Jan 2003 11:07:47 -0500
I must agree with Davina that you've been "hoodwinked"..

This brings up the discussion; if one turns on compression on the networker
client with the compression directives.  In theory this would send less data
over the wire for backups. When putting it to tape one wouldn't want to
compress it again.

I wonder if anyone ever did something this and found it better then tape
drive hardware compression??

Robert Maiello
Thomson Healthcare

On Wed, 29 Jan 2003 08:18:25 -0500, Jim Lane <JLane AT TORONTOHYDRO DOT COM> 
wrote:

>Hi, All
>
>I recently had a contractor/consultant onsite to review my Networker
>setup. among other things he insisted that using hardware compression on
>a tape library is a "bad thing". the closest thing to an explanation I
>ever heard was that it might cause data loss somehow and that Legato
>wouldn't help me if it did. since contractors have a better relationship
>with management than I do he just called STK onsite and had them turn
>compression off on my 9710. I'm wondering if anybody out there has ever
>heard anything like this before? does anybody have any experience of the
>possible effects, on either reliability or performance, of tape hardware
>compression?
>TIA
>
>Jim Lane
>Sr. Technical Consultant
>Network Services
>Toronto Hydro
>office: (416)-542-2820
>cell: (416)-896-8576
>
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