Hi,
 
I have a HP ML370 Proliant Server. It currently has 4 x 36GB in a RAID 5 set.
 
I want to upgrade the disk capacity of this server. I have bought 4 x 300gb disks as replacements.
 
At present I have 4 x 36GB disks in the server. I was told I could replace one disk in the RAID with a 300GB, let the raid rebuild and do the next disk. Repeat until all of the disks are 300GB and then I can look in the ACU and create a second logical drive that sees all that new space.
 
Can this be done? Anyone know how long it would take to rebuild? currently there is 90gb used in the current volume.
 
My other alternative is to buy a Tape Drive, backup, break array, create new array and then restore but this department don't want any downtime.
 
Anyway shed some light as to which is the best method to take?
 
thanks James

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