>-----Original Message----- >From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of >Les Mikesell >Sent: Wednesday, July 02, 2008 3:32 AM >To: CentOS mailing list >Subject: Re: settings up cheap a NAS / SAN server, is it possible? > >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. The guy who initially asked, IIRC, wanted some 3-4TB storage. This can be accomplished easily with a regular mid/maxi-size tower and a handful of 1TB-SATA drives. Even the midsize oldish Compucase-case I have at home can fit four 3,5"-drives in the hd-cage and another four in the 5,25"-bays. Suppose you fill that case with 1TB-drives and you have 8TB available. My argument is that there is no explicit need for the hardware you mention, despite how sexy it sounds. 8-) My understanding was that he wanted some kind mid-level kind of storage solution based on hw he already had and not sink the entire budget on a roomful of EMC etc hardware. OTOH, this discussion has been a bit sidetracked since the beginning. 8-)
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