Package: multipath-tools
Version: 0.4.9+git0.4dfdaf2b
Severity: wishlist
Tags: patch
Explicit aliases for particular wwwn are a better alternative than
user_friendly_names because the mpathN <-> wwwn name mapping can
change unexpectedly. The patch below explains this in README.debian.
Please consider applying.
--- debian/multipath-tools.README.Debian.orig 2013-07-11 00:14:45.000000000
+0000
+++ debian/multipath-tools.README.Debian 2013-07-11 00:11:15.000000000
+0000
@@ -13,6 +13,17 @@
user_friendly_names can lead to locking issues with large numbers of LUNs
resulting in some maps not having friendly_names [1].
+Note: The mpathN <-> wwwn name mapping created by the user_friendly_names
+feature can change unexpectedly across reboots. A more stable solution for
+ 'friendly' names is to make explicit aliases in multipath.conf, e.g.
+ multipaths {
+ multipath {
+ wwwid 2226f000123deadbf
+ alias diskbox1-lun0
+ }
+ }
+This device should be accessible as /dev/mapper/diskbox1-lun0.
+
-- System Information:
Debian Release: jessie/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-0.bpo.4-amd64 (SMP w/8 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
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