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Home -> Community -> Usenet -> c.d.o.server -> Re: RMAN backups to NFS OR FS 'snapshots'

Re: RMAN backups to NFS OR FS 'snapshots'

From: Valentin Minzatu <valentinminzatu_at_yahoo.com>
Date: 30 Mar 2007 11:42:00 -0700
Message-ID: <1175280120.734552.93540@y80g2000hsf.googlegroups.com>


On Mar 30, 1:49 pm, NetComrade <netcomradeNS..._at_bookexchange.net> wrote:
> For those who run backups to NFS
>
> a) which device do you use.. with digiliant, and emc ax100, we haven't
> rearched much beyond 25megs per second (that's 9i, 10g with
> compression is faster)
> b) have you ever had corruption problems? we recently had a corrupt
> lvl0, which I thought was difficult to 'achieve' over a tcp mounted
> nfs
>
> We have also not used snapshots, but we might want to consider that..
> Could someone describe the 'basics' with that? This is the way I think
> I understand it:
> snapshots are taken at predetermined periods (db has to be in backup
> mode during each one?)
> As snapshots get older, they are 'merged'
> But biggest quesion:
> How does rman work with snapshots :) (e.g. what if we want to run rman
> duplicate, w/o impacting production)
>
> We run EMC CX500's and CX300's, do those offer snapshot technology?
> How pricey :)
>
> Any document links appreciated.
>
> Thanks.
> .......
> We run Oracle 9iR2,10gR1/2 on RH4/RH3 and Solaris 10 (Sparc)
> remove NSPAM to email

This may be a good starting point:
http://www.oracleracsig.org/pls/htmldb/RAC_SIG.download_my_file?p_file=1001141. (take a look at timefinder from emc - it may be what you are looking for, although I am not sure if it works with Clariion). Received on Fri Mar 30 2007 - 13:42:00 CDT

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