From 0e0f706f2ed0aa8dd7c2f65a467cefa355a0495d Mon Sep 17 00:00:00 2001 From: Zdenek Kabelac Date: Wed, 21 Dec 2011 13:10:52 +0000 Subject: Thin automatic policy based extension --- doc/example.conf.in | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'doc/example.conf.in') diff --git a/doc/example.conf.in b/doc/example.conf.in index 3868c149..ee78deab 100644 --- a/doc/example.conf.in +++ b/doc/example.conf.in @@ -603,6 +603,25 @@ activation { snapshot_autoextend_threshold = 100 snapshot_autoextend_percent = 20 + # 'thin_pool_autoextend_threshold' and 'thin_pool_autoextend_percent' define + # how to handle automatic pool extension. The former defines when the + # pool should be extended: when its space usage exceeds this many + # percent. The latter defines how much extra space should be allocated for + # the pool, in percent of its current size. + # + # For example, if you set thin_pool_autoextend_threshold to 70 and + # thin_pool_autoextend_percent to 20, whenever a pool exceeds 70% usage, + # it will be extended by another 20%. For a 1G pool, using up 700M will + # trigger a resize to 1.2G. When the usage exceeds 840M, the pool will + # be extended to 1.44G, and so on. + # + # Setting thin_pool_autoextend_threshold to 100 disables automatic + # extensions. The minimum value is 50 (A setting below 50 will be treated + # as 50). + + thin_pool_autoextend_threshold = 100 + thin_pool_autoextend_percent = 20 + # While activating devices, I/O to devices being (re)configured is # suspended, and as a precaution against deadlocks, LVM2 needs to pin # any memory it is using so it is not paged out. Groups of pages that -- cgit