Date: Wed, 02 Nov 2005 21:17:00 +1100 From: Michael VInce <mv@roq.com> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-performance@freebsd.org Subject: Re: SATA: RAID 5 controller recommendations Message-ID: <4368921C.40305@roq.com> In-Reply-To: <000801c5d434$579de280$b3db87d4@multiplay.co.uk> References: <000801c5d434$579de280$b3db87d4@multiplay.co.uk>
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For SATA I have always been getting the Dell 750s (now 850s) which use the 'aac' Adaptec AdvancedRAID Controller driver, do 'man aac' for more details. Dell supply them with a 64meg cache and are hardware raid, I have always just installed FreeBSD on them and only 1 hard drive comes up as RAID should be. I have only been ordering the machines in dual drive mirror 1 Raid, but you could get a PowerEdge Tower servers like the 830 which do raid 5, I never used one though. Alternatively all the Dell SCSI RAID systems have 256megs cache which use the LSI Logic MegaRAID ( man amr ) Stay away from the ultra low end SC1425 systems they have some kind of software based raid. The thing I have noticed is that if you compare other (often claiming to be much cheaper) servers from other companies they often really skimp on their hard drive subsystems with software based stuff claiming its RAID. I used to be anti Dell and build my own U1 servers from case and up and had a keen interest in cheap RAID technologies but I gave up a little while ago. I believe Dell are great value when you consider their RAID implementations and as long as you are happy with Intel chips. Mike Steven Hartland wrote: > Anyone got any SATA RAID 5 controllers they can recommend > 64Bit PCIX. > > Steve > > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. > and the person or entity to whom it is addressed. In the event of > misdirection, the recipient is prohibited from using, copying, > printing or otherwise disseminating it or any information contained in > it. > In the event of misdirection, illegible or incomplete transmission > please telephone (023) 8024 3137 > or return the E.mail to postmaster@multiplay.co.uk. > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to > "freebsd-performance-unsubscribe@freebsd.org"
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