Hi list,
I have an LV with a corrupted cache. Looking at the cmeta using
cache_dump, I get this:
<superblock uuid="" block_size="128" nr_cache_blocks="0" policy=""
hint_width="4">
<mappings>
metadata contains errors (run cache_check for details).
perhaps you wanted to run with --repair ?
Running with --repair just produces metadata with no mappings and
hints, which is incorrect too.
Obviously the metadata volume is corrupted beyond recovery, but I
am okay with that as it is a read-only LV and we are using the cache
for read acceleration. However, there seems to be no way for us to get
out of this state into something usable? I can't seem to remove the
cache from the LV. I've read through the documentation for lvmcache
and can't find any information about this.
At the moment I can't access the original LV anymore. Whatever I
try to do always results in "Check of pool vg/lv-cache failed
(status:1). Manual repair required!" What am I missing?
Thanks!
Liwei
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