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1 | Subject: ANNOUNCE: mdadm 3.1 - A tool for managing Soft RAID under Linux |
2 | ||
3 | Hot on the heals of 3.0.3 I am pleased to announce the availability of | |
4 | mdadm version 3.1 | |
5 | ||
6 | It is available at the usual places: | |
7 | countrycode=xx. | |
8 | http://www.${countrycode}kernel.org/pub/linux/utils/raid/mdadm/ | |
9 | and via git at | |
10 | git://neil.brown.name/mdadm | |
11 | http://neil.brown.name/git?p=mdadm | |
12 | ||
13 | ||
14 | It contains significant feature enhancements over 3.0.x | |
15 | ||
16 | The brief change log is: | |
17 | - Support --grow to change the layout of RAID4/5/6 | |
18 | - Support --grow to change the chunksize of raid 4/5/6 | |
19 | - Support --grow to change level from RAID1 -> RAID5 -> RAID6 and | |
20 | back. | |
21 | - Support --grow to reduce the number of devices in RAID4/5/6. | |
22 | - Support restart of these grow options which assembling an array | |
23 | which is partially grown. | |
24 | - Assorted tests of this code, and of different RAID6 layouts. | |
25 | ||
26 | Note that a 2.6.31 or later is needed to have access to these. | |
27 | Reducing devices in a RAID4/5/6 requires 2.6.32. | |
28 | Changing RAID5 to RAID1 requires 2.6.33. | |
29 | ||
30 | You should only upgrade if you need to use, or which to test, these | |
31 | features. | |
32 | ||
33 | NeilBrown 22nd October 2009 |