Hi,

While your EMC Standard volumes and BCVs are in synchronized mode (not split), both 
Standard and BCV will be updated at the same time. So is better you split instantly 
before you end backup your tablespaces. This will ensure your data files in BCV are 
backup mode data files before you them copy to tape.


Sinardy


-----Original Message-----
Sent: 20 August 2002 14:34
To: Multiple recipients of list ORACLE-L


Hi,

The logic should be like this

1. tablespace begin backup
1a. archive log current
2. suspend database (or sleep)
        3. EMC synchronized standard volume and bcv
        4. after all mount point (datafile) synchronized EMC split  
                4a. after EMC split you can mount your bcv to another host and then do 
the media backup. while you can continue                     step 5
5. resume database
6. tablespace end backup


Sinardy

-----Original Message-----
Sent: 15 August 2002 22:59
To: Multiple recipients of list ORACLE-L


Hello,

We are on IBM AIX 4.3.3  with EMC and BCVs. Our Unix admin has setup the
backups for the database in following sequence to do the Hot backup.

1.  Put all tablespaces in the database in Hot backup mode
2. Sleep 5
3. Put all the tablespaces back into normal mode
4. Split the BCV's
5. Mount on another machine and backed up from it.

What I am concerned is with step 4.  Split BCV's should be done at step 2
instead of step 4.
According to our Unix Admin, EMC takes care of consistency and there is no
need for any concern. As per him the split is instant split and EMC
guarantees consistency.

What do you all think.  What is the recommended procedure.

TIA,

Nate




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