Question on LUN Sizes for storage migration
- From: Kumar Madduri <ksmadduri@xxxxxxxxx>
- To: oracle Freelists <Oracle-L@xxxxxxxxxxxxx>
- Date: Wed, 21 May 2014 03:13:31 -0700
We were originally given 90 GB LUNS.
As part of storage migration to another vendor, we are being provisioned
with 500 GB LUNS.
From a migration point of view, is it ok to move the data from 90 GB LUNS
ton 500 GB LUNS. We would have 20 90 GB LUNS (old storage) and 4 500 GB
LUNS (new storage)
alter diskgroup DATA
drop disk
'/dev/old-lun1 -90-gb', '/dev/old-lun2-90-gb' ...., '/dev/old-lun20-90-gb'
add disk
‘/dev/new-lun1-500gb’, ‘/dev/new-lun2-500gb, ’, ‘/dev/new-lun3-500gb,
’, ‘/dev/new-lun4-500gb, ’ ;
Concern is, would it be better to stick to 90 G LUNS on new storage as well
or move to 500 GB LUNS as above (as part of migration). Our concern is
would it slow down migration if we alter the lun sizes as part of migration
process.
Our Unix/Storage admin prefers the 500G LUN because they say it will reduce
the time for reboot (when required) if we have fewer number of LUNS.
Thanks again for time.
- Kumar
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