Am 04.10.2014 um 18:22 schrieb Rafał Radecki: [ ... ] > In sysfs in /sys/bus/scsi/devices/7:0:0:8 I found: > > # ll block\:sdj > lrwxrwxrwx 1 root root 0 Oct 4 17:57 block:sdj -> > ../../../../../../../../../../block/sdj > > Where else can I look for the LUN<->/dev/ device mapping rules? How are the > LUNs mapped to operating system devices? Is there a way to add a static > mapping so that also on a new server after attaching SAN array LUN number 8 > will be visible as /dev/sdj? I think that there is a possibility that on a > new server mentioned LUN will be visible as a different /dev/sd? :( That > could potentially break my logical volume setup on the destination server. > > Any info will be greatly appreciated :) > > BR, > Rafal. Please see https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Online_Storage_Reconfiguration_Guide/persistent_naming.html https://www.centos.org/docs/5/html/5.2/Virtualization/sect-Virtualization-Virtualized_block_devices-Configuring_persistent_storage_in_a_Red_Hat_Enterprise_Linux_5_environment.html Alexander