ADSM-L

Re: [ADSM-L] Collocation

2007-04-24 18:34:16
Subject: Re: [ADSM-L] Collocation
From: Fred Johanson <fred AT UCHICAGO DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 24 Apr 2007 15:45:30 -0500
Unclear whether it resumes where it left off, but since some
files are already moved from the source stg, it picks up
where it feels most efficient.  Unless, a big unless, the
target stg is the same as the source.  Then all the
oreviously moved will be moved again.



---- Original message ----
>Date: Tue, 24 Apr 2007 13:41:42 +0100
>From: William Kyndt <William.Kyndt AT MILLER.CO DOT UK>
>Subject: Re: [ADSM-L] Collocation
>To: ADSM-L AT VM.MARIST DOT EDU
>
>With regards to the Move Nodedata command, is this something
which can
>be stopped and started (i.e. if we were to kick off the
process can we
>stop it and then resume from where it left off)?
>
>>>> Richard Sims <rbs AT BU DOT EDU> 20/04/2007 17:12 >>>
>On Apr 20, 2007, at 11:16 AM, William Kyndt wrote:
>
>> ...
>>
>> 1. When enabling collocation for a group of servers, does
a full
>> backup
>> of the servers occur to group the data on as few volumes
as possible
>> followed by incremental backups? Or do incremental backups
still
>occur
>> as normal and are simply grouped on pre defined volumes?
>
>William -
>
>There is no change in Incremental backup behavior because of
>collocation:
>if an object is in the target storage pool already, it will
not be
>backed
>up again, regardless of how the storage pool is arranged.
>
>> 2. Is there a way to collocate data already backed up onto
fewer
>> volumes?
>
>All subsequent data movement within the storage pool
(reclamation,
>Move Data, Move Nodedata) will observe the collocation rule.
>The Admin Guide has good info on this.
>
>   Richard Sims   Sr. Systems Programmer
>                  at Boston University, Office of Information
>Technology
>
>
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