On Fri, Jan 25, 2013 at 11:30:22AM -0500, David H. Rhodes Clymer wrote: > Speaking of bcache integrity...This morning, bcache started indicating > that it was encountering errors writing to the drive. > > For some stupid reason, I rebooted, and on boot, it cannot find the > volume group (I was running LVM on bcache) that my root fs is on, > finally dropping to the initramfs shell. > > I then find that attempting to register my bcache component devices > fails: > > (initramfs) echo /dev/sdb1 > /sys/fs/bcache/register > sh: write error: invalid argument > (initramfs) ls /sys/fs/bcache/ > register register_quiet > > This happens for both the cache device and the backing store. I realize > that collecting information prior to a reboot would have been much more > useful...sorry. > > Is there any simple reason why I would be seeing this behavior? I assume > that either both devices are corrupt, and no longer seen as bcache > formatted devices. Does that seem likely?
Yeah... you'd have to check the dmesg log to be sure, but the most likely cause for that is bcache isn't finding a bcache superblock :/ -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
