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Diffstat (limited to 'extras/multipath/README')
| -rw-r--r-- | extras/multipath/README | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/extras/multipath/README b/extras/multipath/README index 417a0d38e4..80945db438 100644 --- a/extras/multipath/README +++ b/extras/multipath/README @@ -8,6 +8,8 @@ o libsysfs : comes with sysutils or udev See ftp.kernel.org/pub/linux/utils/kernel/hotplug/ o Linux kernel 2.6.0 with udm5 patchset http://people.sistina.com/~thornber/dm/ +o udev + See ftp.kernel.org/pub/linux/utils/kernel/hotplug/ How it works : ============== @@ -53,6 +55,12 @@ struct multipath { When mp is filled, the device maps are fed to the kernel through libdevmapper. +The naming of the corresponding block device is handeld +by udev with the help of the devmap_name proggy. It is +called by the following rule in /etc/udev/udev.rules : +KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", \ +NAME="%k", SYMLINK="%c" + Notes : ======= |