Messages in this thread | | | Date | Tue, 18 Oct 2005 18:35:51 -0400 | From | Bill Davidsen <> | Subject | Re: Anybody know about nforce4 SATA II hot swapping + linux raid? |
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Robert Hancock wrote: > Lajber Zoltan wrote: > >> We have about 7 serverraid card from 4L to 5i. All of them is sitting on >> shelf. They are pain to manage, ipssend tool is weak, serverdirector >> complicated. And they are slow, the Fusion MPT SCSI with sw raid >> significant faster, as we measured with bonnie++. Even the old aic7892 is >> faster (these built-in scsi controllers on xseries motherboards). > > > The 6i and 7 series of cards seem to have quite a bit better relative > speeds. Certainly the 4Lx cards can be outperformed in simple "hdparm" > tests by a 3ware SATA controller/disks of half the price.. > > Plus, software RAID can't provide good performance on many server/DB > applications without risking data loss in certain cases - for such > things one really wants something with a battery-backed cache on it.. > I just have a better feeling about hardware when there are dozens of multi-TB servers from NY to CA. If it goes down IBM fixes it instead of someone trying to get it back up at the console.
-- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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