Date: Tue, 6 Mar 2007 09:48:53 +0200 From: Nikos Vassiliadis <nvass@teledomenet.gr> To: freebsd-questions@freebsd.org Cc: "Michel, Dietmar" <Dietmar_Michel@bmc.com> Subject: Re: RAID5 degraded - system hangs Message-ID: <200703060948.53818.nvass@teledomenet.gr> In-Reply-To: <0C398216960631429151B4A4B6B1FC03038CCAB0@fra-ex-01.adprod.bmc.com> References: <0C398216960631429151B4A4B6B1FC03038CCAB0@fra-ex-01.adprod.bmc.com>
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On Monday 05 March 2007 17:22, Michel, Dietmar wrote: [snip] > Now I made an upgrade using 4 SATA II disks connected to a promise TX4310 Raid controller. This must be a software RAID controller. It uses software in your OS to do the several RAID levels. The controller simply "acts" as a RAID controller and then passes the real job to the OS. > > Defining a RAID5 a bios level, starting the server and building up the Raid at OS level: > And now I have a functional Raid named ar0. No you probably don't have a functional RAID5 setup. Please read the ataraid manual page. It says that RAID5 is not supported. [snip] > Any hints? You can use other RAID levels that are supported for your controller. You can also use gmirror or graid3. HTH, Nikos
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