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mdadm (3.2.2-1) unstable; urgency=low
Metadata format change requires recent Grub
The following only applies to users who want to let the grub-pc bootloader
load the kernel directly off a RAID device created with mdadm 3.x and
default values, or when the metadata version is explicitly set using -e.
Specifically, this includes all arrays created during or after the
installation of Debian squeeze (mdadm-3.1.4+8efb9d1). Arrays created with
older mdadm versions, and RAIDs created with the command-line option
-e 0.9 are not affected.
Versions of grub-pc older than 1.98+20100720-1 will not be able to boot
directly off a RAID with the 1.x metadata formats (the new default is 1.2).
To ensure a bootable system, please make sure to use grub-pc 1.98+20100720-1
or later, which is provided by Debian squeeze. An unbootable system may be
rescued with Super Grub2 Disk (http://www.supergrubdisk.org/super-grub2-disk/)
or grml (http://grml.org/).
-- Scott Schaefer <saschaefer@neurodiverse.org> Wed, 27 Jul 2011 20:21:50 -0400
mdadm (3.1.4-1+8efb9d1) unstable; urgency=low
Default metadata format for newly created arrays has changed from
0.90 to 1.2. Location of the superblock is now 4Kb from the start
of the device, instead of at the end of the device for 0.90.
The change from 0.9 to 1.x lifted many restrictions of the old
metadata format, and change in location (from end to 4k after
start for 1.2) reduced chances to confuse a raid array with
filesystem inside it. It is now less easy to mount a component
device as separate filesystem by incident, thus destroying the
array.
Also, chunk size by default is 512K (was 64K) and bitmap chunk size
is 64Mb.
-- Michael Tokarev <mjt@tls.msk.ru> Sat, 10 Sep 2011 13:35:12 +0400
mdadm (2.6.7-2) unstable; urgency=low
/dev/disk symlinks:
mdadm now creates symlinks in /dev/disk/by-id, using the template
md-uuid-* for the array UUIDs and md-name-* for any names assigned to
arrays (version-1 superblocks only). Thanks to Suse for the udev rules
file.
mdrun removed:
This version also removes mdrun once and for all. If you are still using
mdrun, please ensure that you have a valid /etc/mdadm/mdadm.conf file (run
/usr/share/mdadm/mkconf --generate to get one), and run
mdadm --assemble --scan --auto=yes
-- martin f. krafft <madduck@debian.org> Wed, 02 Jul 2008 10:57:32 +0200
mdadm (2.5.3.git200608201206-1) unstable; urgency=low
This version makes mdadm.conf mandatory. If you do not have such a file, it
will be created for you.
You must verify the contents of this file and ensure that it represents your
local configuration. See /usr/share/doc/mdadm/README.upgrading-2.5.3.gz for
more information.
-- martin f. krafft <madduck@debian.org> Sun, 20 Aug 2006 21:58:43 +0100
mdadm (2.5-1) unstable; urgency=low
mdrun has been (finally) obsoleted, and an appropriate warning message is
written to the console if you (or a script) attempts to run it. If you
cannot live without mdrun, you can disable the warning by setting
USE_DEPRECATED_MDRUN=1 in /etc/default/mdadm. Note that mdrun will *not* be
supported. Please also see /usr/share/doc/mdadm/README.mdrun .
-- martin f. krafft <madduck@debian.org> Tue, 30 May 2006 23:25:13 +0200
mdadm (2.4.1-5) unstable; urgency=low
This version drops the automatic generation of the /etc/mdadm/mdadm.conf
file on every boot (if it was missing). This means that you need to ensure
that you have a valid configuration file. If none is present during package
configuration, mdadm *will* try to generate one, but it will only contain
information about arrays that were running at the time of package
configuration. Arrays not listed in the configuration file will *not* be
started automatically after boot (with the exception of the root partition).
If you want to recreate your configuration file, either figure out what it
should contain from the mdadm.conf(5) manpage, or simply assemble and run
all the arrays the way you like it, then run
/usr/share/mdadm/mkconf force-generate /etc/mdadm/mdadm.conf
-- martin f. krafft <madduck@debian.org> Sat, 03 Jun 2006 17:45:47 +0200
mdadm (2.4.1-1) unstable; urgency=low
As of version 2.3, mdadm uses /etc/mdadm.conf as its main configuration
file, and falls back to /etc/mdadm/mdadm.conf if the former is not found.
Since Debian uses /etc/mdadm/mdadm.conf as the configuration file path, this
order was reverted: Debian's mdadm reads /etc/mdadm/mdadm.conf as its main
file and falls back to /etc/mdadm.conf if the former is not found.
An incompatible change in the reshaping of RAID 5 arrays was made in this
upstream release. If you want to reshape a RAID 5 array with a version-1
superblock, please make sure to use mdadm 2.4.1 and at least a 2.6.17-rc2
kernel.
-- martin f. krafft <madduck@debian.org> Tue, 16 May 2006 13:07:49 -0500
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