Oh - try stracing the pvcreate and see what happens.

On Thu, Mar 1, 2012 at 10:03 PM, Kent Overstreet
<[email protected]> wrote:
> Weird.
>
> Did the /dev/bcache0 device get create created by udev?
>
> It's possible my code isn't poking the right thing. *mutters about the
> block layer...*
>
> On Thu, Mar 1, 2012 at 9:49 PM, Joseph Glanville
> <[email protected]> wrote:
>> Hi,
>>
>> I can't use bcache devices as members of lvm volume groups because
>> dmsetup can't find the devices.
>> It provides the ever useful feedback of:
>> # pvcreate /dev/bcache0
>>   Device /dev/bcache0 not found (or ignored by filtering).
>>
>> My LVM.conf is only filtering out nbd devices:
>> filter = [ "r|/dev/nbd.*|", "a/.*/" ]
>>
>> Any insight would be greatly appreciated. :)
>>
>> I also noted that bcache devices don't appear in iostat..
>>
>> Joseph.
>>
>> --
>> Founder | Director | VP Research
>> Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56
>> 99 52 | Mobile: 0428 754 846
>>
>>
>> --
>> Founder | Director | VP Research
>> Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56
>> 99 52 | Mobile: 0428 754 846
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