diff options
Diffstat (limited to 'mdadm.8')
-rw-r--r-- | mdadm.8 | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -440,7 +440,9 @@ before the number of devices in the array is reduced. .TP .BR \-c ", " \-\-chunk= -Specify chunk size of kibibytes. The default is 64. +Specify chunk size of kibibytes. The default when creating an +array is 512KB. To ensure compatibility with earlier versions, the +default when Building and array with no persistent metadata is 64KB. This is only meaningful for RAID0, RAID4, RAID5, RAID6, and RAID10. .TP @@ -450,7 +452,8 @@ component will be rounded down to a multiple of this size. This is a synonym for .B \-\-chunk but highlights the different meaning for Linear as compared to other -RAID levels. +RAID levels. The default is 64K if a kernel earlier than 2.6.16 is in +use, and is 0K (i.e. no rounding) in later kernels. .TP .BR \-l ", " \-\-level= |