On Sat, Feb 25, 2017 at 11:12:21PM +0900, Tomasz Chmielewski wrote: > mdadm manual specifies the following for create, build and grow modes: > > --write-journal > Specify journal device for the RAID-4/5/6 array. > > However: > > # mdadm --grow /dev/md2 --write-journal /dev/sdc1 > mdadm: :option --write-journal not valid in grow mode > > > Is it not yet supported, will never be supported, or am I simply trying to > use it in a wrong way? > > > > Tried the following versions: > > # ./mdadm -V > mdadm - v3.4-115-ge22fe3a - 29th November 2016 > > # mdadm -V > mdadm - v3.4 - 28th January 2016 Cc: Song and Jes. I think we support hotadd journal. Will let Song clarify. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html