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List:       adsm-l
Subject:    Re: general question on TSM backups TSM 5.3.0.0 on AIX 5.3
From:       "Bos, Karel" <Karel.Bos () ATOSORIGIN ! COM>
Date:       2006-04-27 22:42:19
Message-ID: 760E971C15D29649BEB397C5D23FF994048304F5 () nlex005 ! europe ! nl ! intra
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Hi,

First, a TSM server and/or client X.X.0.0 version is only for bug report
and shouldn't be used in whatever production environment after IBM has
released the first fixes/patches (my opinion).

Second, if you really are using full and incremental back-ups on a
weekly bases of file servers, why are you using TSM???!!! Incremental
forever (do not backup files that aren't changed and have already been
backupped) is the key feature of TSM!

Last, backup generations are grandfather, father, son backup schemes and
shouldn't be used on TSM. Maybe that's why you can not translate them to
your back-up copy group definitions?

Just read the documentation of backup/archive copy groups and match them
with whatever your system administrators and DBA's want to be able to
restore.

Regards,

Karel

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of
Vats.Ashok
Sent: donderdag 27 april 2006 19:58
To: ADSM-L@VM.MARIST.EDU
Subject: Re: general question on TSM backups TSM 5.3.0.0 on AIX 5.3

I have come across people talk about "backup Generation" example....we
keep 5 generation of backups or 4 generations of backup. I am not sure I
understand this term , I think it came from main frame ...? We have
retention period set to 30 days. and do daily incremental and weekly
backup on Windows systems and sql db. IS that mean our one generation is
all the backups taken for 30 days or one generation is daily backup ?

Appreciate any education on it.


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