ca.portal.admin

Second Data Center for Disaster Recovery

Discussion created by ca.portal.admin on Nov 5, 2009
Dear Listers :

We will be opening a new Disaster Recovery Center in less than a year.=20
We will be replicating all data to this center from our primary
operations using an IBM product called=20
""Global Mirror"".=20

All data is replicated at the DASD block level in real time for all
volumes.

The primary and secondary sites are not expected to be more than a
minute or=20
two out-of-sync during the heaviest of processing.=20

All our archive journals are written to disk and then migrated off to
tape=20
after several days.=20

Also, every day, we do a FLASHCOPY of the entire mainframe complex and
do=20
nightly tape backups of the Flashed volumes.
This also captures all database, disk journals, and journal archives.=20

With all databases, journals, and even journal archives on disk...=20
and
In a true disaster, it seems that recovery is as simple as starting an
instance of IDMS at the DR site and=20
let it go through WARMSTART.=20

Am I correct about this, or is it more complicated than that?=20
And if more complicated, I'll have the archives replicated if I have to
do more.

Thanks.=20
Jon Gocher=20
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Normal
Re: Second Data Center for Disaster Recovery
"Yes, consistency group will include both Journal and DB synchronized
writes so only warm start needed.

Tapes ought to be replicated also over a grid, too . ..

Simple & amazing in elegant high-level ambition . . .

Devil in details.

dem

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