Bug#539959: mdadm: allow updating preferred minor of an active array
Frédéric Brière
fbriere at fbriere.net
Tue Aug 4 19:10:32 UTC 2009
Package: mdadm
Version: 3.0-2
Severity: wishlist
AFAIK, while it's possible to update the preferred minor of an array
when assembling it, it's not possible to do so for an array that's
already assembled and running.
A few months ago, I wanted to clean up my arrays (which had been
numbered haphazardly), but I obviously could not shut down the one
holding the root partition. My naive attempt was to edit
/etc/mdadm/mdadm.conf, and hope that mdadm would nicely go along and
build them correctly on the next reboot. That was far from successful,
and I had to resort to a rescue CD to get out of the mess I'd created.
It'd be nice to be able to update the preferred minor of such an array,
even if it only kicks in on the next reboot.
-- Package-specific info:
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26.8 (SMP w/1 CPU core)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages mdadm depends on:
ii debconf 1.5.27 Debian configuration management sy
ii libc6 2.9-23 GNU C Library: Shared libraries
ii lsb-base 3.2-23 Linux Standard Base 3.2 init scrip
ii makedev 2.3.1-89 creates device files in /dev
ii udev 0.141-1 /dev/ and hotplug management daemo
Versions of packages mdadm recommends:
ii module-init-tools 3.9-2 tools for managing Linux kernel mo
ii postfix [mail-transport-agen 2.6.2~rc1-1 High-performance mail transport ag
mdadm suggests no packages.
-- debconf information:
mdadm/autostart: true
mdadm/mail_to: root
mdadm/initrdstart_msg_errmd:
* mdadm/initrdstart: all
mdadm/initrdstart_msg_errconf:
mdadm/initrdstart_notinconf: false
mdadm/initrdstart_msg_errexist:
mdadm/initrdstart_msg_intro:
mdadm/autocheck: true
mdadm/initrdstart_msg_errblock:
mdadm/start_daemon: true
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