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| author | NeilBrown <neilb@suse.de> | 2009-11-17 13:15:34 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-11-17 13:15:34 +1100 |
| commit | b8ab2a50aba72c7316d92d0fb414167844673136 (patch) | |
| tree | c774854f3687f0f4a9d00e17001bf697639992ea /mdadm.8 | |
| parent | ff94fb86fd22842c06e8fad08c27a4e365d7834a (diff) | |
| download | mdadm-b8ab2a50aba72c7316d92d0fb414167844673136.tar.gz mdadm-b8ab2a50aba72c7316d92d0fb414167844673136.tar.xz mdadm-b8ab2a50aba72c7316d92d0fb414167844673136.zip | |
Set default bitmap-chunksize for internal bitmaps to at least 64Meg
A small bitmap-chunksize hurts performance without helping
resync speed much - particularly on internal bitmaps.
So set the default to at least 64Meg.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'mdadm.8')
| -rw-r--r-- | mdadm.8 | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -614,8 +614,8 @@ When using a file based bitmap, the default is to use the smallest size that is at-least 4 and requires no more than 2^21 chunks. When using an .B internal -bitmap, the chunksize is automatically determined to make best use of -available space. +bitmap, the chunksize defaults to 64Meg, or larger if necessary to +fit the bitmap into the available space. .TP .BR \-W ", " \-\-write\-mostly |