diff options
Diffstat (limited to 'mdadm.8')
-rw-r--r-- | mdadm.8 | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -447,11 +447,12 @@ slash ('/') if it is a real file (not 'internal' or 'none'). Note: external bitmaps are only known to work on ext2 and ext3. Storing bitmap files on other filesystems may result in serious problems. - .TP .BR --bitmap-chunk= Set the chunksize of the bitmap. Each bit corresponds to that many -Kilobytes of storage. Default is 4 when using a file based bitmap. +Kilobytes of storage. +When using a file based bitmap, the default is to use the smallest +size that is atleast 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 |