Date: Mon, 20 Jun 2005 15:27:48 +0200 (CEST) From: "P.U.Kruppa" <root@pukruppa.de> To: Ted Mittelstaedt <tedm@toybox.placo.com> Cc: "P.U.Kruppa" <root@pukruppa.de>, freebsd-questions@freebsd.org Subject: RE: Yet another RAID Question (YARQ) Message-ID: <20050620151328.M11229@www.pukruppa.net> In-Reply-To: <LOBBIFDAGNMAMLGJJCKNGEMBFBAA.tedm@toybox.placo.com> References: <LOBBIFDAGNMAMLGJJCKNGEMBFBAA.tedm@toybox.placo.com>
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On Mon, 20 Jun 2005, Ted Mittelstaedt wrote: >> On Sun, 19 Jun 2005, Ted Mittelstaedt wrote: >> >>> >>> What model of Proliant? >> ML 350 G4 >> > > Oh good, we have a customer that has been looking at one of these > for FreeBSD and I'm glad to hear that you didn't have problems with it. Absolutely smooth - and I am really no kind of computer expert. > With these all you get is hot-swap support although you might have > to do a camcontrol rescan after swapping the disk. Yes, I have read that in some recent thread. > Actually, the Windows management tools for this raid controller on a > server are observational as well. There is no rebuild tool or anything > like that. > When we set these systems up > for customers (All the recent Proliants use the same RAID controller) > we usually configure them RAID-5 with 4 physical disks, the setup will > set 3 of the disks in the array, and one a hot-spare. And in the event > of a disk failure, which you can tell by looking at the disk drive > lights, > or going into the management interface, you simply pull out the bad disk > and put in the replacement and the RAID card takes care of the rest of > it. The City of Wuppertal couldn't buy me a third disc, because that would have superceded the limit of 2.5 kEURO, which would have required some special administrative act ... :-) . > As for knowing if a disk has failed, > I think the only way to know is to watch the little lights on the disk > front. After reading Alex' story about running a RAID 1 with a defect disc for three years, I believe it will suffice, when I check things with every system upgrade. Uli. ********************************************* * Peter Ulrich Kruppa - Wuppertal - Germany * *********************************************
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