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1 | Subject: ANNOUNCE: mdadm 2.3 - A tool for managing Soft RAID under Linux |
2 | ||
3 | I am pleased to announce the availability of | |
4 | mdadm version 2.3 | |
5 | ||
6 | It is available at the usual places: | |
7 | http://www.cse.unsw.edu.au/~neilb/source/mdadm/ | |
8 | and | |
9 | http://www.{countrycode}.kernel.org/pub/linux/utils/raid/mdadm/ | |
10 | ||
11 | mdadm is a tool for creating, managing and monitoring | |
12 | device arrays using the "md" driver in Linux, also | |
13 | known as Software RAID arrays. | |
14 | ||
15 | Release 2.3 fixes an assortment of bugs including the "--assemble --scan" | |
16 | crash. It also makes mdadm better at handling very large arrays. | |
17 | Finally, it adds some functionality to support some pending kernel | |
18 | features such as raid5 reshaping. | |
19 | ||
20 | Changelog Entries: | |
21 | - Try /etc/mdadm/mdadm.conf if /etc/mdadm.conf doesn't exist. | |
22 | This provided compatability for Debian. | |
23 | - Fixed for version-1 superblock: | |
24 | report chunksize for raid6 and raid10 | |
25 | make sure device size used is a multiple of chunksize | |
26 | - Fix "--assemble --scan" crash. | |
27 | - Fix completely failure to create array on ppc64 | |
28 | - Fix memcmp in place of memcpy | |
29 | - A few minor improvements to online help | |
30 | - Clean up usage of 'long long' for used-size of devices, so | |
31 | that it is possible to create a raid1 of 7TB devices! | |
32 | - Make internal bitmaps work on 7TB raid1 arrays. | |
33 | - Provide error message if --examine doesn't find any superblock. | |
34 | - Report 'reshape' status in --examine - this depends on kernel | |
35 | patches that are not yet finalised. | |
36 | - Report bitmap status in --detail and --examine | |
37 | - Default to v1 superblocks instead of v0.90 if the array | |
38 | is too big for 0.90 to handle. | |
39 | - Sort the output of "mdadm --detail --scan" so that it is | |
40 | in a suitable order for assembling arrays. i.e. components come | |
41 | before an array that they are part of. | |
42 | - Print size of large reiserfs array properly went warning of | |
43 | possible confilcts. | |
44 | ||
45 | Development of mdadm is sponsored by | |
46 | SUSE Labs, Novell Inc. | |
47 | ||
48 | NeilBrown 2nd February 2006 | |
49 |