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On Wednesday, 30 July 2003 at 14:11:28 -0700, Richard Johannesson wrote:
On Wednesday, July 30, 2003 1:52 PM, Richard Johannesson wrote:
Question:
Is it important that the sequence plexes/sub-disks get created in
for the primary drive and the mirrored drive be the same? Any
performance penalty?
I assume you're asking whether each drive needs the same content. No,
that would be ridiculously restrictive.
I'm guessing that a different sub-disk creation order will put the
sub- disks in different places on a disk.
You don't need to guess: it's described in the man page.
Background - if needed: Have 10 vinum volumes being mapped by 10
plexes to the root drive.
To get mirroring, I created plexes/sub-disks for swap, root, and
usr using the specific offsets for each on the 2nd hdd device and
map them back to their specific volumes they should be mirroring.
When I start creating the other plexes/sub-disks on the 2nd hdd and
map them back to the volume already setup, I won't be using
specific offsets.
It seems dumpconfig provides absolute settings of the
subdisks. Might as well use those offsets just in case it matters.
I'm not sure what you mean here. dumpconfig is for dumping
configuration information. list gives information about objects.
Greg
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