Re: Mirroring question

From: Gipson, Mat (Mat.Gipson@AMERICREDIT.COM)
Date: Tue Sep 09 2003 - 17:27:42 EDT

I am sorry Bill...I just read the man page for extendlv and looked at
the strict allocation policy. It dictates that whether or not copies can
exist on the same pv or not. My question is how (or if...) you can
specify where a mirror would extend to. I will look into this...thanks
for the suggestion.

Thanks,
Mathew Gipson
matt.gipson@americredit.com
817.525.7123

-----Original Message-----
From: Gipson, Mat
Sent: Tuesday, September 09, 2003 4:08 PM
To: aix-l@Princeton.EDU
Subject: Re: Mirroring question

If I am not mistaken "strict" only specifies that a mirror can not exist
on the same pv as it's primary copy. I was unaware that you could use it
to specify which pv a mirror would be extended to.

Thanks,
Mathew Gipson
matt.gipson@americredit.com
817.525.7123

-----Original Message-----
From: Bill Verzal [mailto:BVerzal@KOMATSUNA.COM]
Sent: Tuesday, September 09, 2003 3:37 PM
To: aix-l@Princeton.EDU
Subject: Re: Mirroring question

"Strict" allocation.
--------------------------------------------------------

Bill Verzal
AIX Administrator, Komatsu America
(847) 970-3726 - direct
(847) 970-4184 - fax

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Scenario: You have a created a logical volume. After the creating the lv
on
one physical volume you then mirror that physical volume to another
physical volume. Say 2 months down the road you have extended that
logical
volume to the point where it spills onto another physical volume
therefore
extending your mirror over another pv as well.

Question: How can you control which pv the mirror is extended to? Is
this
even possible?

Thanks in advance for any insight on this process.

Mathew Gipson

matt.gipson@americredit.com

817.525.7123

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