Subject: ANNOUNCE: mdadm 3.1 - A tool for managing Soft RAID under Linux Hot on the heals of 3.0.3 I am pleased to announce the availability of mdadm version 3.1 It is available at the usual places: countrycode=xx. http://www.${countrycode}kernel.org/pub/linux/utils/raid/mdadm/ and via git at git://neil.brown.name/mdadm http://neil.brown.name/git?p=mdadm It contains significant feature enhancements over 3.0.x The brief change log is: - Support --grow to change the layout of RAID4/5/6 - Support --grow to change the chunksize of raid 4/5/6 - Support --grow to change level from RAID1 -> RAID5 -> RAID6 and back. - Support --grow to reduce the number of devices in RAID4/5/6. - Support restart of these grow options which assembling an array which is partially grown. - Assorted tests of this code, and of different RAID6 layouts. Note that a 2.6.31 or later is needed to have access to these. Reducing devices in a RAID4/5/6 requires 2.6.32. Changing RAID5 to RAID1 requires 2.6.33. You should only upgrade if you need to use, or which to test, these features. NeilBrown 22nd October 2009