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