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1Subject: ANNOUNCE: mdadm 2.4 - A tool for managing Soft RAID under Linux
2
3I am pleased to announce the availability of
4 mdadm version 2.4
5
6It is available at the usual places:
7 http://www.cse.unsw.edu.au/~neilb/source/mdadm/
8and
9 http://www.{countrycode}.kernel.org/pub/linux/utils/raid/mdadm/
10
11mdadm is a tool for creating, managing and monitoring
12device arrays using the "md" driver in Linux, also
13known as Software RAID arrays.
14
15Release 2.4 primarily adds support for increasing the number of
16devices in a RAID5 array, which requires 2.6.17 (or some -rc or -mm
17prerelease).
18It also includes a number of minor functionality enhancements and
19documentation updates.
20
21Changelog Entries:
22 - Rewrite 'reshape' support including performing a backup
23 of the critical region for a raid5 growth, and restoring that
24 backup after a crash.
25 - Put a 'canary' at each end of the backup so a corruption
26 can be more easily detected.
27 - Remove useless 'ident' arguement from ->getinfo_super method.
28 - Support --backup-file for backing-up critical section during
29 growth.
30 - Erase old superblocks (of different versions) when creating new
31 array.
32 - Allow --monitor to work with arrays with >28 devices
33 - Report reshape information in --detail
34 - Handle symlinks in /dev better
35 - Fix mess in --detail output which a device is missing.
36 - Manpage tidyup
37 - Support 'bitmap=' in mdadm.conf for auto-assembling arrays with
38 write-intent bitmaps in separate files.
39 - Updates to md.4 man page including section on RESTRIPING and SYSFS
40
41Development of mdadm is sponsored by
42 SUSE Labs, Novell Inc.
43
44NeilBrown 30th March 2006
45