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author | David Teigland <teigland@redhat.com> | 2014-10-06 16:12:51 -0500 |
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committer | David Teigland <teigland@redhat.com> | 2014-10-06 16:22:54 -0500 |
commit | 31f10a05544122693143da75bb4a4857cb890226 (patch) | |
tree | 4987ddb382a2f599532951e03808ef03e25d279b | |
parent | 97b16ec26f10f98b7febf661ba33bcd2882c7e6c (diff) | |
download | lvm2-31f10a05544122693143da75bb4a4857cb890226.tar.gz |
man: lvmcache mention automatic pool conversion
When converting an origin to a cache lv, lvm will automatically convert
the specified cache pool into a cache pool if it is not already a cache
pool.
-rw-r--r-- | man/lvmcache.7.in | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/man/lvmcache.7.in b/man/lvmcache.7.in index 2603e1a06..79ceb6451 100644 --- a/man/lvmcache.7.in +++ b/man/lvmcache.7.in @@ -276,6 +276,7 @@ the same VG. .br .B lvconvert --type cache\-pool VG/CacheDataLV + .SS Create a new cache LV without an existing origin LV \& @@ -286,7 +287,7 @@ single step. .B lvcreate \-\-type cache \-L LargeSize \-n CacheLV .RS -.B \-\-cachepool VG/CachePoolLV SlowPVs +.B \-\-cachepool VG/CachePoolLV VG SlowPVs .RE @@ -301,6 +302,32 @@ LV, a cache metadata LV, and combines the two into a cache pool LV. .B lvcreate \-\-type cache\-pool \-L CacheSize \-n CachePoolLV VG FastPVs +.SS Convert existing LVs to cache types + +\& + +When an existing origin LV is converted to a cache LV, the specified cache +pool may be a normal LV, rather than a cache pool LV. In this case, lvm +will first convert the normal LV to a cache pool LV. A pool metadata LV +may optionally be specified. + +.B lvcreate -n OriginLV -L LargeSize VG +.br +.B lvcreate -n CacheDataLV -L CacheSize VG +.br +.B lvconvert --type cache --cachepool VG/CataDataLV VG/OriginLV + +This is equivalent to: + +.B lvcreate -n OriginLV -L LargeSize VG +.br +.B lvcreate -n CacheDataLV -L CacheSize VG +.br +.B lvconvert --type cache-pool VG/CacheDataLV +.br +.B lvconvert --type cache --cachepool VG/CachePoolLV VG/OriginLV + + .SH SEE ALSO .BR lvm.conf (5), .BR lvchange (8), |