HP3000-L Archives

March 2003, Week 4

HP3000-L@RAVEN.UTC.EDU
Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
Re: Volume sets on MPE
From:
Michael Berkowitz <[log in to unmask]>
Reply To:
Michael Berkowitz <[log in to unmask]>
Date:
Tue, 18 Mar 2003 11:46:03 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (24 lines) 
Gary Peveza writes


Biggest benefit.

You cannot mirror your system volume set.

If you lose a disk on the system volume set your system is down and requires
a reload.
If you lose a disk on the user volume set, you only reload that one.
------------------------------------------------------------------------
To which I say: No I don't need to do a reload.  We have never used user volume sets.  Why you might ask.  Because we have always spent the money and had hot swappable disc arrays in use.  Starting with the C2254HA, C2259HA and finally EMC.  We have always had lots of speed, no need for Mirror/iX, never lost data, never had to worry about issuing 2nd NEWACCT commands or VS=commands, etc.  Besides one account containing the data is 75% of the stuff on disc.

However, we made certain that device 1 was always on its own card, whether HP-FL or FW-SCSI and that no disc ever shares a channel with any other device (tape or print).

Mike Berkowitz
Guess? Inc.

* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *

* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *

ATOM RSS1 RSS2