ADSM-L

Re: Journaling

2002-10-30 11:39:40
Subject: Re: Journaling
From: prasanna S ghanekar <gpresy AT LYCOS DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 30 Oct 2002 12:38:01 -0400
Hello everyone,
Sorry for stepping in the middle !
WHen you start Journaling service, what should be the consideration for that 
database/log size on a NTFS partition.

Thanks

Prasanna Ghanekar
--

On Tue, 29 Oct 2002 10:25:26
 Pete Tanenhaus wrote:
>Just to clarify, Journal Based Backup only backs up objects which have
>changed based on solely on the
>contents of the change journal maintained by the journal service.
>
>The change journal is maintained based on change notifications reported by
>the filesystem.
>
>Traditional incremental backup must build the entire list of objects for
>the local file system
>and the entire list of objects stored on the  server file space for that
>file system and compare
>the two lists to derive a list of backup candidates.
>
>Note that the above is done regardless of how many objects are actually
>backed up, if only one object
>changes both lists must still be built and processed.
>
>
>Pete Tanenhaus
>Tivoli Storage Solutions Software Development
>email: tanenhau AT us.ibm DOT com
>tieline: 320.8778, external: 607.754.4213
>
>"Those who refuse to challenge authority are condemned to conform to it"
>
>---------------------- Forwarded by Pete Tanenhaus/San Jose/IBM on
>10/29/2002 10:18 AM ---------------------------
>
>Andrew Raibeck/Tucson/IBM@IBMUS AT VM.MARIST DOT EDU> on 10/29/2002 09:36:12 AM
>
>Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
>Sent by:    "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
>
>To:    ADSM-L AT VM.MARIST DOT EDU
>cc:
>Subject:    Re: Journaling
>
>
>
>Turning on journaling does not require backing up all files (unless they
>have all changed).
>
>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.eyebm DOT com (change eye to i to reply)
>
>The only dumb question is the one that goes unasked.
>The command line is your friend.
>"Good enough" is the enemy of excellence.
>
>
>
>
>"Gill, Geoffrey L." <GEOFFREY.L.GILL AT SAIC DOT COM>
>Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>10/29/2002 07:23
>Please respond to "ADSM: Dist Stor Manager"
>
>
>        To:     ADSM-L AT VM.MARIST DOT EDU
>        cc:
>        Subject:        Journaling
>
>
>
>Why, after turning on Journaling, is TSM now going to back up the whole
>600GB "AGAIN"!
>
>Geoff Gill
>TSM Administrator
>NT Systems Support Engineer
>SAIC
>E-Mail:    <mailto:gillg AT saic DOT com> gillg AT saic DOT com
>Phone:  (858) 826-4062
> Pager:   (877) 905-7154
>


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