In <[EMAIL PROTECTED]>, on 02/14/2006
at 09:31 AM, Bruce Black <[EMAIL PROTECTED]> said:
>I erased a 3390-3 (2.8GB) in an EMC DMX1000 subsystem.
>The write phase took only 40 seconds, which is about 71MB/sec.
>However, FDRERASE also waits for the control unit to harden the data
>from cache to disk, which took an additional 52 seconds. So the
>effective data rate including disk write time was 31MB/sec
That sounds like you're using latency to calculate effective data
rate. What happens if you concurrently erase, e.g., 4 3390-3 volumes?
I suspect that your calculated "effective" data rate will be higher.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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