RE: Veritas like RMAN?

They are using RAID5, not mirroring, and the database, for all the bigger it is needs some SERIOUS tuning.

There are procs that are taking over 1 million disk i/o's to post a move in inventory..

Again, NOTHING in the alert log, just runs and runs, no alter tablespace, just redo log changes. And no "bursts" of redo log changes during backup time telling me nothing is being held... Then again, if I don't see the tablespace go into begin backup, why would it. Scary...

And of course, you need to be "kind" to the customer. They are not sure they need us. Well, perhaps they are, but not sure why.

Maks.

-----Original Message-----
From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com]On Behalf Of Sarnowski, Chris
Sent: Wednesday, July 23, 2003 1:00 PM
To: Multiple recipients of list ORACLE-L Subject: RE: Veritas like RMAN?

Can "they" point to backup sets from which you can test recovery? As someone else mentioned, that's the crucial issue.

There are a couple of possibilities:
Veritas can do volume mirroring, for example. I haven't used this at the Veritas level but we do something similar on our Hitachi SAN (to generate a development image, not backup). The SAN mirror instructions say that we have to put the DB in hot backup mode and quiesce the database during the split, which seems a bit like belt and suspenders to me (how can you get a split block if the database is quiesced?) but that's what we do. I'd guess Veritas mirroring would require at least one of the two steps, both of which should show up in the alert log.

> From: Michael Kline [mailto:mkline1_at_comcast.net]
> Sent: Wednesday, July 23, 2003 12:39 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Veritas like RMAN?
>
>
> I found no signs of RMAN being used in
> any way shape or form...
>
> I've been told they are doing "hot" backups
> using Veritas... HOWEVER, the alert log shows
> no signs what so ever of "alter tablespace
> xyz begin/end backup"...
>
> Can it do a good backup backing up live
> DB files and leaving no signs what so
> ever that backup took place.
>
> Is Veritas capable of this?
>
> If so, why is there a Veritas interface
> to RMAN???
>
> Confusion, confusion...
>

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Author: Sarnowski, Chris
  INET: csarnows_at_CuraGen.com

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