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Re: RAID 5 with 3Ware IDE



On Sun, 29 Apr 2001, Hetz Ben Hamo wrote:

  Hi Hetz,



   Is performance an issue ?  Use NFSv3, and mount with a blocksize of
16k (unless your switches deal with larger blocksizes well - Network
Appliance have a fairly well documented case of switches not dealing well
with >16k udp blocksize for NFS).

   About performance, 60GB disks with 7200rpm, using raid5, will result in
performance problems. If you are going to mount this using 100Mbit over a
few NFS clients, that use the file-server you create intensively for reads
and writes, you may find yourself bottlenecked...

--Ariel

> Hi all,
> 
> I'm planning to make up a file server for a project that I'm working on in my
> spare time. I'm planning to make it a 300GB File server (EIDE UDMA 5- 5 X 
> 60 GB hard disk) - with 3Ware controller..
> 
> I got few questions:
> 
> 1. Anyone triedto use this controller? any impressions? recommendations?
> 
> 2. How are the drivers inside the kernel? in 2.2.x? 2.4.x?
> 
> I'm planning to use NFS with it, but so far from my knowledge, Linux NFS V2
> implementation are not good, and V3 is still experimental and unstable (if I
> understand that correctly). Any suggestions? lots of users will have to
> access this machine locally...
> 
> Any other suggestions regarding this RAID?
> 
> Thanks,
> Hetz
> 
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--
Ariel Biener
e-mail: ariel@post.tau.ac.il
PGP(6.5.8) public key http://www.tau.ac.il/~ariel/pgp.html


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