Re: software raid

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Feizhou wrote:

argh...i missed the raid5 on 3ware part.

Ah. No, I am using RAID0 since this is just scratch space for editing large uncompressed video files.

Man a 3ware for RAID0? :D

I cannot wait for port multiplexer support on libsata (or is it libata?) in Centos 5. An elcheapo AHCI or whatever SATA controller + Linux software raid will own 3ware cards on a price/performance basis :D


An 8-port 9550SX card is only US$500. Why on earth would I mess around with software RAID when that card is going to make things a plug and play proposition? It just isn't worth the hassle.


Disks are so cheap and high enough capacity now that I don't even bother with RAID5 anymore. I still don't think (even if I was using RAID5) that I would stray from the "vendor supported" ext3 filesystem.

Not when you need that fileserver to serve. I'd go with JFS. XFS is too risky even if the code was not iffy. ext3 + 3ware RAID5 arrays is that bad. IIRC XFS was somewhere like 4-5 times faster than ext3 and no, i am not talking about 3ware 75xx/85xx boards. I am talking 3ware 95xx boards with onboard RAM. _______________________________________________

If you need to serve files in an enterprise situation and you *cannot* afford a $500 RAID card, then I think you've got more pressing issues. :)

Cheers,


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