SAN partitions have disappeared after reboot.

Solution Unverified - Updated -

Issue

  • SAN partitions have disappeared after reboot. There used to exist /dev/emcpowerd1, e1, f1, and i1 before the reboot. Now they are suddenly absent.
# ls -l /dev/emc*
crw-r----- 1 oracle dba  10,  62 Mar 10 19:49 /dev/emcpower
brw-r----- 1 oracle dba 120,   0 Mar 10 19:49 /dev/emcpowera
brw-r----- 1 oracle dba 120,  16 Mar 10 19:49 /dev/emcpowerb
brw-r----- 1 oracle dba 120,  32 Mar 10 19:49 /dev/emcpowerc
brw-r----- 1 oracle dba 120,  48 Mar 10 19:49 /dev/emcpowerd
brw-r----- 1 oracle dba 120,  64 Mar 10 19:49 /dev/emcpowere
brw-r----- 1 oracle dba 120,  80 Mar 10 19:49 /dev/emcpowerf
brw-r----- 1 oracle dba 120,  96 Mar 10 19:49 /dev/emcpowerg
brw-r----- 1 oracle dba 120,  97 Mar 10 19:49 /dev/emcpowerg1
brw-r----- 1 oracle dba 120, 112 Mar 10 19:49 /dev/emcpowerh
brw-r----- 1 oracle dba 120, 113 Mar 10 19:49 /dev/emcpowerh1
brw-r----- 1 oracle dba 120, 128 Mar 10 19:49 /dev/emcpoweri

Environment

  • Red Hat Enterprise Linux 5.6

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