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author | David Teigland <teigland@redhat.com> | 2020-12-02 15:29:21 -0600 |
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committer | David Teigland <teigland@redhat.com> | 2020-12-02 15:29:21 -0600 |
commit | 9b3458d5a945302a68e4f5ed3011f01677411e9b (patch) | |
tree | 5889789eebe75a7b031843e6ef2efba38173d18a | |
parent | a2affffed558899af563b790eaf5112b8c7e5bd5 (diff) | |
download | lvm2-9b3458d5a945302a68e4f5ed3011f01677411e9b.tar.gz |
man lvmcache: add writecache cleaner info
-rw-r--r-- | man/lvmcache.7_main | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/man/lvmcache.7_main b/man/lvmcache.7_main index 37d0e3359..85d4d9e34 100644 --- a/man/lvmcache.7_main +++ b/man/lvmcache.7_main @@ -303,6 +303,16 @@ afterwards. Some underlying devices perform better with fua, some with nofua. Testing is necessary to determine which. Applicable only to persistent memory. +.IP \[bu] 2 +cleaner = 0|1 + +Setting cleaner=1 enables the writecache cleaner mode in which data is +gradually flushed from the cache. If this is done prior to detaching the +writecache, then the splitcache command will have little or no flushing to +perform. If not done beforehand, the splitcache command enables the +cleaner mode and waits for flushing to complete before detaching the +writecache. Adding cleaner=0 to the splitcache command will skip the +cleaner mode, and any required flushing is performed in device suspend. .SS dm-cache with separate data and metadata LVs |