There is no difference, really. All the DASD functions are rolled into one
driver.
Mark Post
-Original Message-
From: Wainwright, Oliver (Exchange) [mailto:[EMAIL PROTECTED]]
Sent: Thursday, March 28, 2002 1:02 PM
To: [EMAIL PROTECTED]
Subject: Using VDISK for swap
Which is a better
Which is a better driver for a swap VDISK, the minidisk or dasd driver?
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Which is a better driver for a swap VDISK, the minidisk or dasd driver?
See:
http://www.vm.ibm.com/perf/tips/linuxper.html
There is a section Where should Linux swap?
-Mike MacIsaac, IBM [EMAIL PROTECTED] (845) 433-7061
That very much depends on what problem you're trying to solve. VDISK is
substantially faster that any of the others, but it is also a much more
finite resource (when it is actually in use). The other benefit to VDISK is
that it will be paged out and is much better than defining an artificially
I have recently move all my swap files from vdisk to xstorage. The biggest
difference being that vdisk comes out of central storage, and xstorage does
not. Helped me with other guests going to E3. And since I had 2GB
xstorage it was the best place for it.
Mark D Pace
Senior Systems Engineer
-Original Message-
From: David Boyes [mailto:[EMAIL PROTECTED]]
Sent: Thursday, March 28, 2002 4:10 PM
To: [EMAIL PROTECTED]
Subject: Re: Using VDISK for swap
There is no difference, really. All the DASD functions are rolled into
one
driver.
Hmm. The mdisk driver does do a couple
There is no difference, really. All the DASD functions are rolled into
one
driver.
Hmm. The mdisk driver does do a couple of things differently wrt to block
handling and how it interacts with VM cache under the covers. I would agree
that from the Linux perspective there is no difference.
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