Yes - unregister, format, reregister On Mon, Aug 27, 2012 at 12:19 PM, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote: > On 27/08/2012 20:17, Kent Overstreet wrote: >> >> On Mon, Aug 27, 2012 at 12:14 PM, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> >> wrote: >>> >>> Hi Everyone, >>> >>> I'm running bcache on my md raid device for use with my xen machine (via >>> LVM). It works very well for Linux DomUs. However, I'm having some >>> trouble >>> installing Windows. When I enter the WIndows 2008 setup, it refuses to >>> install to the LV volume. Reading the mailing lists, I feel this may have >>> something to do with the block size that bcache is using. >>> >>> Assuming that my cache is md0, and my spindles are md1, it is my >>> understanding that to change the block size I would have to do: >>> >>> make-bcache --block 512 --cache /dev/md0 >>> and >>> make-bcache --block 512 --bdev /dev/md1 >>> >>> However, this doesn't appear to work is both of the above devices are >>> already set for bcache (The block size seems to still be '1' according to >>> the output that make-bcache gives). >> >> That's the output you want - it's displaying in units of 512 byte sectors > > Hi Kent, > > Thanks for the reply. However, my device appears to still have a block size > of 4.0k: > > # cat /sys/fs/bcache/c215aa0a-c722-48e4-afcb-0ab8946d303c/block_size > 4.0k > > Maybe I have to deregister the devices first? > > > Thanks > > -- > 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
