RE: How fast are your tape backups?

From: Gene Sais <Gsais_at_co.palm-beach.fl.us>
Date: Tue, 28 Aug 2001 05:08:43 -0700
Message-ID: <F001.00379665.20010828052022@fatcity.com>

SP 80 AIX 4.3.3
Legato 6.1
IBM 3494 Silo 3590 Tape drives

The following stats are for 1 drive:

&mdash;--------------------------------------

on backup server: 90gb/hr
on db server connected thru high speed switch: 36gb/hr on nt server thru 100mb network: 3.6gb/hr

hth,
Gene

>>> Satar.Naghshineh_at_irvine.mellesgriot.com 08/27/01 10:35PM >>> 50 gigs in 1.5 hours.

HPUX 10.20
OmniBack 3.5
Oracle 7.3.4
HP DLT8000 Regards,
Satar Naghshineh

> -----Original Message-----
> From: J.C. Stofer [SMTP:stoferj_at_columbus.rr.com]
> Sent: Tuesday, August 28, 2001 2:05 AM
> To: Multiple recipients of list ORACLE-L
> Subject: How fast are your tape backups?
>
> Hello list. I have a brand new database that is around 200 GB in
> size. Our tape backup solution which was supplied by the hosting
> company is only giving me bewteen 6 and 7 MB per second . A full cold
> backup can take 8 to 10 hours at this rate.
>
> I looked at the specs for the tape library they sold us and it says
> 15MB/sec or up to 30 MB/sec compressed. What gives? The storage is
> SCSI 3 and also some Fibre channel so I don't think the drives are the
> bottleneck.
>
> What kind of numbers are other people getting?
>
> The system
> NT 4
> 4GB RAM
> 400 GB storage (mix of SCSI 3 and fibre)
> Oracle 8.1.6.3.0
> ~ 200 GB in Oracle data files
> Tivoli Storage Manager
> IBM robotic tape library (via fibre)
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: J.C. Stofer
> INET: stoferj_at_columbus.rr.com
>
>

--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Gene Sais
  INET: Gsais_at_co.palm-beach.fl.us

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).

Received on Tue Aug 28 2001 - 07:08:43 CDT