ODS AND RAID 5?!!
2007-12-24 19:53:00
I have an E3500 that is fully populated (8x18GB internal disks) running
Solaris 7. I have used two disk - one for root and one for the mirror. I
want to use the other 6 disks for a RAID 5 volume that will be used for
Oracle. I need to get some thoughts on how I should do that. Also, I am
new to ODS, as most of my work has been with vxva. Anyway, my questions
are:
1) If I split a disk up to 3 partitions (6GB each), cab I use one or two of
those partitions for the RAID set and use the other for another filesystem,
etc? Does it make sense to do so?
2) Once I create a RAID 5 set can I add to it later. I believe you can add
to the set but the new disk will not do parity calculations, yet will be
protected in case it needs to be rebuilt. How is this possible?
3) Also, is it safe to add at a later date or do I need to add everything
now.
I ask because I would like to set the RAID as a 50GB filesyetem now and
add as needed. I know this is possible with vxva, but am unsure if I can do
so with ODS and if it is safe to do so form a performance/reliability
aspect. TIA
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