Hello,
i've 6 bcache blk devices attached to 3 caching ssds (2 each). One fails
to register automatically at boot time.
After reboot i always need to execute:
echo /dev/sdf1 >/sys/fs/bcache/register
to bring up the bcache device.
Any idea?
Greets,
Stefan
Register happens through the following udev file:
# register bcache devices as they come up
# man 7 udev for syntax
SUBSYSTEM!="block", GOTO="bcache_end"
ACTION=="remove", GOTO="bcache_end"
# blkid was run by the standard udev rules
# It recognised bcache (util-linux 2.24+)
ENV{ID_FS_TYPE}=="bcache", GOTO="bcache_backing_found"
# It recognised something else; bail
ENV{ID_FS_TYPE}=="?*", GOTO="bcache_backing_end"
# Backing devices: scan, symlink, register
IMPORT{program}="probe-bcache -o udev $tempnode"
ENV{ID_FS_TYPE}!="bcache", GOTO="bcache_backing_end"
ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
LABEL="bcache_backing_found"
RUN+="bcache-register $tempnode"
LABEL="bcache_backing_end"
# Cached devices: symlink
DRIVER=="bcache", ENV{CACHED_UUID}=="?*", \
SYMLINK+="bcache/by-uuid/$env{CACHED_UUID}"
DRIVER=="bcache", ENV{CACHED_LABEL}=="?*", \
SYMLINK+="bcache/by-label/$env{CACHED_LABEL}"
LABEL="bcache_end"
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