Date: Fri, 25 Feb 2005 19:07:02 +0100 From: Francois Tigeot <ftigeot@wolfpond.org> To: freebsd-stable@freebsd.org Subject: Re: SATA RAID Support Message-ID: <20050225180701.GB6633@aoi.wolfpond.org> In-Reply-To: <20050225110543.GA70464@e-Gitt.NET> References: <20050223204202.31797.qmail@web11604.mail.yahoo.com> <421DFC73.7060602@cs.tu-berlin.de> <013301c51a8b$ed2ad230$0300000a@Uzi> <7f6570e5997b376fb8f75d812d386264@elhombre.us> <6.2.1.2.0.20050224153015.02be6df0@64.7.153.2> <20050224233122.GD41951@e-Gitt.NET> <20050225083339.GA5014@aoi.wolfpond.org> <20050225110543.GA70464@e-Gitt.NET>
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On Fri, Feb 25, 2005 at 12:05:43PM +0100, Oliver Brandmueller wrote: > > On Fri, Feb 25, 2005 at 09:33:39AM +0100, Francois Tigeot wrote: > > On Fri, Feb 25, 2005 at 12:31:22AM +0100, Oliver Brandmueller wrote: > > > We had problems here with 3ware + 72GB Raptors (10 krpm), so we moved to > > > > What sort of problems ? > > I was planning to use some sort of 3Ware/Raptor combination with amd64 > > -STABLE machines in the near future, and I am very interested by your > > experience... > > Under heavy load (I/O load on the disks constantly over 200 tps, average > at about 250 tps, peaks over 600 tps) a random drive disconnects from > the RAID 10. After removing the drive from the config and rescanning the > bus, the drive does not show up anymore. The only way to get the drive > back is to unplug the drive (or switch the computer off, so that power > is removed). After that there is no problem to rebuild the RAID with > the drive. Interesting. AFAIR the same sort of errors occured with some older WD drives and 3Ware 750x controllers. The solution was to flash the drives firmware. A quick googling found some reference to the problem on this document: http://japan.3ware.com/products/pdf/Drive_compatibility_list.pdf -- Francois Tigeot
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