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johanek/lvcache.txt

Last active March 10, 2020 16:00
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lvcache
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lvcache.txt
lvcreate -l 100%FREE -n lv_elasticsearch vg_elasticsearch /dev/md1
lvcreate -L 1T -n lv_cache vg_elasticsearch /dev/nvme0n1
lvcreate -L 1G -n lv_cache_meta vg_elasticsearch /dev/nvme0n1
lvconvert --type cache-pool --chunksize 256K --cachemode writeback --poolmetadata vg_elasticsearch/lv_cache_meta vg_elasticsearch/lv_cache
lvconvert --type cache --cachepool vg_elasticsearch/lv_cache vg_elasticsearch/lv_elasticsearch
Undo:
lvconvert --splitcache vg_elasticsearch/lv_elasticsearch
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