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From: Scott Moser <>
Subject: [linux-lvm] [PATCH] man: document that 2 times poolmetadatasize is allocated for lvmthin
Date: Tue, 20 Oct 2020 14:25:53 -0400	[thread overview]
Message-ID: <> (raw)

diff --git a/man/lvmthin.7_main b/man/lvmthin.7_main
index ce2343183..e21e516c9 100644
--- a/man/lvmthin.7_main
+++ b/man/lvmthin.7_main
@@ -1101,6 +1101,11 @@ specified with the --poolmetadatasize option.
When this option is not
 given, LVM automatically chooses a size based on the data size and chunk

+The space allocated by creation of a thinpool will include
+a spare metadata LV by default (see "Spare metadata LV").  As a result,
+the VG must have enough space for the --size option plus twice
+the specified (or calculated) --poolmetadata value.
 It can be hard to predict the amount of metadata space that will be
 needed, so it is recommended to start with a size of 1GiB which should be
 enough for all practical purposes.  A thin pool metadata LV can later be

             reply	other threads:[~2020-10-20 18:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20 18:25 Scott Moser [this message]
2020-10-20 19:19 [linux-lvm] [PATCH] man: document that 2 times poolmetadatasize is allocated for lvmthin Scott Moser
2020-10-28 20:15 ` Zdenek Kabelac

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