Networker

[Networker] OT: using 'dd' to get .tgz file onto tape

2004-03-12 17:31:01
Subject: [Networker] OT: using 'dd' to get .tgz file onto tape
From: Ty Young <Phillip_Young AT I2 DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Fri, 12 Mar 2004 16:30:53 -0600
All,

My knowledge of 'dd' is a functional one at best, so I'm open to being
educated here.

Environment:
Solaris 8 (SPARC)
a 12 GB database dump, called "filename.tgz"
a DLT8000 drive through SCSI diff. card
command:  dd if=/dir/filename.tgz of=/dev/rmt/1cbn bs=[several different
tries:  1024, 96k, 192k, etc.]

I have tried several different block sizes, but none seems to make any
difference in improving the throughput beyond about 200 KB/sec.

Any suggestions or comments?
TIA
-ty

Phillip T. ("Ty") Young, DMA
Backup/Recovery Systems Mgr.
Network Services Group
i2 Technologies, Inc.

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