Re: Fastest way to backup/restore and budget

  • From: "Yechiel Adar" <adar76@xxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 12 Jan 2005 11:50:01 +0200

1) EMC has an option called (I think) Time Finder. With this option you can
create a new copy of the file and EMC copy only the file header. When a
block change in the original file EMC write the new block somewhere else.
This way you share all the blocks that are the same and only the new data is
duplicated. Since you are talking about 50 TB, I think that this option
might come in handy and will save you a lot of disk space in EMC.

2) > Backing up to tape is no longer viable for us.
    FIRE - There was a short in the EMC and the whole thing is melted down.
You need a current backup that is not on the same machine, better yet, not
in the same building, better yet not in the same city.

Yechiel Adar
Mehish Computer Services
----- Original Message -----
From: "David" <thump@xxxxxxxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Friday, January 07, 2005 2:58 AM
Subject: Fastest way to backup/restore and budget

> I would like to hear thoughts on what is the very best option in your
> opinion in terms of 1.  Reliability, 2. Speed to Recover and 3. Time to
> backup.  Budget consideration is also at the top of the list.
> I'm considering something like this as an otions that was previsuyl
> discussed on here:
> put database in backup mode
> break the mirrors
> take database out of backup mode
> mount new BCVs to sync up
> mount old BCVs on backup box
> run rman.
> use backup DB for reporting.
> Is anyone familiar with EMC Copypoint and familiar with budget.
> Backing up to tape is no longer viable for us, thus the need for a total
> about 50TB of space to backup to disk to retain 4 days of point in term
> recovery sets on disk for all databases.
> There are a number of options at various prices point, Clariiion Diks
> library, Nearfield, adding traws of sata to each San, etc...
> Opinons and feedback welcomed.
> Regards,
> David
> --
> //


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