Sorin Srbu wrote:
Rudi Ahlers wrote:
Grow data online, convert between RAID levels online, migrate data between spindle types(FC<->SATA) online etc. Create a volume, and you never have to worry about answering the question 'is it really optimal?' because you can change it at any time without application impact or downtime.
Sounds awfully expensive. True?
Most of them are, but you can add whole shelves of disks. I'm not sure it matters so much in a case that holds six drives that you fill from the start and then have nowhere to grow anyway.