Messages in this thread | | | Date | Tue, 09 Mar 2004 20:34:26 +0100 | From | Wilfried Weissmann <> | Subject | Re: [Evms-devel] Re: evms plugin for hptraid support <<<pre-alpha>>> |
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Sergey Vlasov wrote: > On Fri, 27 Feb 2004 22:16:33 +0100 Wilfried Weissmann wrote: > > >>this is my attempt to add support for the ataraid devices to the 2.6 >>kernel. the code is as far as possible from being mature and useable as >>one could imagine (i have not even requested any plugin-ids for the evms >>engine). for now it only detects the HPT370A controller, because of i am >> checking the pci-ids of the controller to prevent that any non-raid >>disks are stolen by the raid module. this would happen with the current >>ataraid code from the kernel v2.4. > > > I'm not sure if this PCI ID checking is a good thing. With ataraid > drivers, if your FakeRAID controller gets broken for some reason, you > can just attach the disks to any available IDE controller and get > access to your data. With the proposed PCI ID check this ability will > be lost. > > The problem with stale RAID superblocks on disks may be solved by > adding a command to clear the RAID superblocks without touching the > rest of data.
I can create a configuration option that controls or disables the PCI check. Claiming all disks that have raid signatures is a great feature for debugging and disaster recovery, but I think that if this is the default then it is more trouble than it is worth.
Regards, Wilfried - 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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