ADSM-L

Re: [ADSM-L] Win2008 System State

2009-11-05 14:49:40
Subject: Re: [ADSM-L] Win2008 System State
From: Wanda Prather <wprather AT JASI DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 5 Nov 2009 14:48:39 -0500
THANK YOU Fred -

71000 new DB entries, per client, per day, is data base doom.

I'm gonna start recommending the preschedule with ntbackup to everybody....

W

On Thu, Nov 5, 2009 at 2:44 PM, Fred Johanson <Fred AT uchicago DOT edu> wrote:

> Wanda,
>
> My calculations
>
> Current Windows = 3 Gb in c$; new Windows = 15 Gb in c$.  That's installed
> out of the box.  If we collocated by filespace, the $c tape would hold about
> 250 clients from current Windows, and about 50 clients from new Windows.
>
> Current Windows = 16k files so 16k entries in TSM db or 12.8 Mb; new
> Windows = 71k files so 71k entries in TSM db or  56.8 Mb.  There are today
> 2140 WinNT clients that will be upgraded to or replaced by new Windows.
>
> Current Windows Systemobject = 600 Mb; new Windows systemobject = 7+ Gb.
>  TSM has 2.5-3 Gb of storage for Systemobject for current Windows;  New
> Windows will have 28-35 Gb per client.  The exception is the AD clients
> which keep 180 versions or 108 Gb for current Windows, which translates to
> 1.25 Tb in new Windows.
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
> Of
> Wanda Prather
> Sent: Thursday, November 05, 2009 1:29 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: [ADSM-L] Win2008 System State
>
> Yes, systemstate backups have always been fulls.  (I believe there was some
> mumbling about Win2K3 changing something to make it possible to do
> incrementals instead of fulls, but I've never seen any difference, and no
> further mumbling has ensued...sort of like the mumbling that told us Vista
> would be better than those XP annoyances...)
>
> What you have NOT mentioned is the impact of SystemState backups on the TSM
> DB, because in WIn2K the systemstate backup is at least 2000 objects.  Per
> systemstate backup, meaning per day.  Couple thousand more for 2003.
> Anybody figured out the number for 2008?
>
> I've had customers where I've found a SUBSTANTIAL percentage of their TSM
> DB
> taken up with (pretty useless) system state backups, with just WIn2K and
> Win2K3.   Win2008 will blow up a lot of TSM data bases, looks like.
>
> W
>