Oh - try stracing the pvcreate and see what happens. On Thu, Mar 1, 2012 at 10:03 PM, Kent Overstreet <kent.overstreet@xxxxxxxxx> 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 > <joseph.glanville@xxxxxxxxxxxxxx> 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 >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bcache" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html