On 11/04/2013 12:39 AM, Thierry wrote:
After a reboot, the bcache devices didn't appeared. Looking at dmesg I
foud out the following entries:
[ 12.182288] bcache: register_bdev() registered backing device dm-0
[ 12.217379] bcache: register_bdev() registered backing device dm-1
[ 12.253040] bcache: error on d8e791cc-47c2-449c-909a-1e4433a5de11: bad
btree header at bucket 32018, block 0, 0 keys, disabling caching
[ 12.253050] bcache: register_cache() registered cache device sdb1
[ 12.253488] bcache: cache_set_free() Cache set
d8e791cc-47c2-449c-909a-1e4433a5de11 unregistered
As you see I restarted the devices after having changed the cache mode
to "none" followed by a echo 1 > running (The state of the 2 devices
were dirty)
e2fsck do not report any problem on any of the bcache device
Are there other "emegency actions" I should take (cache is till reported
as inconsistent)?
I've seen the same problems in earlier kernels, but not in kernels > 3.11.5.
After also forcing the bcache device to running (echo 1 > running) I
also recreated the caching device (make-bcache -C ...) and reattached it
to the bcache device. Have you tried to do that?
Rolf
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