ADSM-L

Re: Client Compression ON

2005-09-29 04:45:45
Subject: Re: Client Compression ON
From: Bill Dourado <bill.dourado AT ALSTEC DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 29 Sep 2005 09:45:26 +0100
Andy,

 ""when you wrote "objects -domain=-F:", that struck me as suspicious""

Basically what I am trying to achieve is to have two schedules for a
remote node.
(using TSM Journalling)

1) To backup user data i.e F Drive
     Hence  "objects F:"

2) To backup the remaining C: Drive and SYSTEMOBJECTS
     Hence  "objects -domain=-F:"

These two schedules work as I intended  & now (on second run)
 compression took place on the later schedule as well , without me making
any changes !

(Any further advise on setting these schedules up correctly would be
greatly appreciated.)

Also  I may have to abandon client compression,  as I already have
compression
at device level, (HP LTO-2 tape drives),  to avoid unforeseen
complications.

Thanks for you help.

Bill








Andrew Raibeck <storman AT US.IBM DOT COM>
Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
29/09/2005 00:05
Please respond to "ADSM: Dist Stor Manager"

        To:     ADSM-L AT VM.MARIST DOT EDU
        cc:
        Subject:        Re: [ADSM-L] Client Compression ON


Hi Bill,

No, I wouldn't necessarily put them in that category. But there has to be
a logical explanation (I'm thinking configuration) as to why the second
schedule doesn't isn't showing any data as being compressed. For example,
. The
reasons could be numerous, so it is difficult to be more specific without
more specific information (VIVO = vague in, vague out :-). For starters, a
schedule log showing both backups, corresponding dsmerror.log, the dsm.opt
file, and from the server side, q n f=d for this node, q sch f=d for the
schedules in question, q clo for the client option set (if one exists),
and any other info you might have that might be pertinent.

Regards from the University of Oxford 2005 TSM Symposium,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Development
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

The only dumb question is the one that goes unasked.
The command line is your friend.
"Good enough" is the enemy of excellence.

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 2005-09-28
12:37:22:

> Andy,
>
> Files were backed, basically the OS & System Objects..etc...,
> over 2GB,     would you include these in "data that doesn't
> compress well" ?
>
> Bill
>
>
>
>
>
>
>
>
> Andrew Raibeck <storman AT US.IBM DOT COM>
> Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> 28/09/2005 09:33
> Please respond to "ADSM: Dist Stor Manager"
>
>         To:     ADSM-L AT VM.MARIST DOT EDU
>         cc:
>         Subject:        Re: [ADSM-L] Client Compression ON
>
>
> Hi Bill, there could be any number of reasons for this. For example,
maybe
> the backup with 0% compression occurred because no data was backed up.
You
> show "objects -domain=-F:". If this is literally what you have coded,
that
> would explain it, since there is no file system on Windows that goes by
> naming convention "-domain=-F:". Or maybe no files were eligible for
> backup. Maybe the data you backed up does not compress very well. Or the
> second scheduled event is overriding the local options file COMPRESSION
> setting via a schedule option.
>
> Regards,
>
> Andy
>
> Andy Raibeck
> IBM Software Group
> Tivoli Storage Manager Client Development
> Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
> Internet e-mail: storman AT us.ibm DOT com
>
> The only dumb question is the one that goes unasked.
> The command line is your friend.
> "Good enough" is the enemy of excellence.
>
> "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 2005-09-28
> 09:21:20:
>
> > Hi,
> >
> > I have a new Windows 2000 client(FS5)  , where I have set up two
> > schedules:
> >
> > FS5_F_DRIVE
> > objects F:
> >
> > FS5_MINUS_F_DRIVE
> > objects -domain=-F:
> > (this includes C: drive and system objects..etc)
> >
> > In my dsm.opt file I have COMPression ON
> >
> > The first schedule -  I can see in the log "Objects compressed by 37%"
> > BUT in the second "Objects compressed by 0%" .
> >
> > How come ?
> >
> > (TSM server for Windows 5.2.2.0)
> >
> > T.I.A
> >
> > Bill
> >
> >
> >
> >
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>
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> Any views expressed in this email are those of the sender and not
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> Whereas ALSTEC takes reasonable precautions to ensure this email is
virus
> free, no responsibility will be accepted by it for any loss or damage
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> ALSTEC Group Limited - Registered in England No.3939840 - www.alstec.com
> Registered office: Cambridge Road, Whetstone, Leicester. LE8 6LH.
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******************************* Disclaimer *******************************
This email and any files transmitted with it contains privileged and
confidential information and is intended for the addressee only. If you
are not the intended recipient you must not disseminate, distribute or
copy this email. Please notify the sender at once that you have received
it by mistake and then delete it from your system.

Any views expressed in this email are those of the sender and not
necessarily those of ALSTEC or its associated companies.

Whereas ALSTEC takes reasonable precautions to ensure this email is virus
free, no responsibility will be accepted by it for any loss or damage
whether direct or indirect which results from the contents of this email
or its attachments.

ALSTEC Group Limited - Registered in England No.3939840 - www.alstec.com
Registered office: Cambridge Road, Whetstone, Leicester. LE8 6LH. England.
Telephone: +44 (0)116 275 0750

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