Package: partman-multipath Version: 4 Severity: important Tags: d-i patch Dear Maintainers,
the partman-multipath installer modules does not detect multipath devices because the multipath alias names have been changed. Also the location of the bindings file has been changed and, therefore, correct its location in the post-base-installer script. Below you can find a patch that solves both problems. Feedback is welcome. Thanks! Kind regards, Hendrik
>From d4c73caff072a79bd6e4428480fc34951ca6d84c Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner <brueck...@linux.vnet.ibm.com> Date: Thu, 26 Nov 2015 17:29:11 +0100 Subject: [PATCH 1/2] multipath: update check for mpath device and bindings The mulitpath-tools use different alias names and store their bindings in in the /etc/multipath/ directory. This commit changes detection of mpath devices and mulitpath configuration accordingly. The alias names for user friendly names have been changed from mpath[0-9] to mpath[a-z] since 2008. So update all mpath checkings to use new alias naming scheme. See also https://anonscm.debian.org/cgit/pkg-lvm/multipath-tools.git/commit/?id=81716d6fe5ccf220e320e168391817810645c3b4 The location of the bindings file which maps the alias names to particular wwn's also changed. The bindings file moved from the /var/lib/multipath/ directory to the /etc/multipath/ directory. The bindings file is required to successfully map an multipath alias always to the same SCSI disk. Without these bindings, for example, the device with the root file system might appear as a different mpathX device after an reboot. See also https://anonscm.debian.org/cgit/pkg-lvm/multipath-tools.git/commit/?id=8ee04831d2535a5afcf5dd40a27e2645ec0b7ffa Signed-off-by: Hendrik Brueckner <brueck...@linux.vnet.ibm.com> --- init.d/multipath_flag | 2 +- post-base-installer.d/60multipath | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/init.d/multipath_flag b/init.d/multipath_flag index 862765f..fdd32aa 100755 --- a/init.d/multipath_flag +++ b/init.d/multipath_flag @@ -7,7 +7,7 @@ for dev in /var/lib/partman/devices/*; do cd $dev [ -f device ] || continue - for frdisk in $(multipath -l | grep '^mpath[0-9]\+ ' | sed 's/\(mpath[0-9]\+\) .*/\1/'); do + for frdisk in $(multipath -l | grep '^mpath[a-z]\+ ' | sed 's/\(mpath[a-z]\+\) .*/\1/'); do case $(cat device) in /dev/mapper/$frdisk) >multipath diff --git a/post-base-installer.d/60multipath b/post-base-installer.d/60multipath index cb21b60..35169fe 100755 --- a/post-base-installer.d/60multipath +++ b/post-base-installer.d/60multipath @@ -2,7 +2,7 @@ set -e -if [ $(multipath -l | grep '^mpath[0-9]\+' | wc -l) -eq 0 ]; then +if [ $(multipath -l | grep '^mpath[a-z]\+' | wc -l) -eq 0 ]; then exit 0 fi @@ -13,9 +13,9 @@ if [ -r /etc/multipath.conf ]; then fi # copy over the persistent binding -if [ -r /var/lib/multipath/bindings ]; then - mkdir -p /target/var/lib/multipath - cp /var/lib/multipath/bindings /target/var/lib/multipath/ +if [ -r /etc/multipath/bindings ]; then + mkdir -p /target/etc/multipath + cp /etc/multipath/bindings /target/etc/multipath fi # the initramfs will be updated by the kernel installation -- 2.6.2
