3TB DB2 database backup
1999-11-10 04:45:00
>I would like any input on the following situation:
>
>
>1 RS6000 S80 with 6 processors connected to a Shark
>with 5TB total disk space. This box runs a DB2 6000
>database with SAP/R3. The DB2 database is currently
>3TB. The network is gigabit ethernet, and the
>customer estimates 500GB daily incremental backups
>from this database.
>
>
>They are looking for a single RS6000 that could backup
>this 500GB in 6 hours.
>
>
>
>They primarily want us to configure a TSM server &
>library for this situation. However thinking this
>over with my co-workers we have come up with he
>following.
>
>
>
>500GB over 6 hours would require a thruput rate of
>83GB per hour. Gigabyte ethernet could definitely
>handle this. But a single session data transfer from
>client to server maximum would be 27 to 31GB per hour.
> If you could do multiple client transfers 83GB per
>hour would be possible. Unfortunately with DB2
>database you're just transferring one large log file
>for the incremental backup, hence one session.
>
>
>Can you recommend other solutions or combination of
>solutions they should be looking at? What are other
>large DB2 customers doing?
>
>
>
>=====
>
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