diff options
Diffstat (limited to 'mdadm.8.in')
| -rw-r--r-- | mdadm.8.in | 27 |
1 files changed, 24 insertions, 3 deletions
@@ -1176,6 +1176,8 @@ argument given to this flag can be one of .BR no\-bitmap , .BR bbl , .BR no\-bbl , +.BR ppl , +.BR no\-ppl , .BR metadata , or .BR super\-minor . @@ -1316,6 +1318,16 @@ option will cause any reservation of space for a bad block list to be removed. If the bad block list contains entries, this will fail, as removing the list could cause data corruption. +The +.B ppl +option will enable PPL for a RAID5 array and reserve space for PPL on each +device. There must be enough free space between the data and superblock and a +write-intent bitmap or journal must not be used. + +The +.B no\-ppl +option will disable PPL in the superblock. + .TP .BR \-\-freeze\-reshape Option is intended to be used in start-up scripts during initrd boot phase. @@ -2327,9 +2339,11 @@ superblock field in the subarray. Similar to updating an array in .B \-U or .B \-\-update= -option. Currently only -.B name -is supported. +option. The supported options are +.BR name , +.B ppl +and +.BR no\-ppl . The .B name @@ -2340,6 +2354,13 @@ re\-assembled. If updating would change the UUID of an active subarray this operation is blocked, and the command will end in an error. +The +.B ppl +and +.B no\-ppl +options enable and disable PPL in the metadata. Currently supported only for +IMSM subarrays. + .TP .B \-\-examine The device should be a component of an md array. |