OVM: OVS Server fails to discover the storage after the Dell EMC PowerPath is installed (Doc ID 2824816.1)

Last updated on MARCH 05, 2025

Applies to:

Symptoms

On OVM, the OVM Manager fails to discover the OVS Server host storage. For more information, please refer to the sample error messages below.

Error messages from the OVM Manager:
OVMAPI_4010E Attempt to send command: discover_physical_luns to server: ovs-host01 failed. OVMAPI_4004E Sync command failed on server: xxx.xxx.xxx.xxx. Command: discover_physical_luns, Server error: org.apache.xmlrpc.XmlRpcException: <type 'exceptions.KeyError'>:'350060160ca20000b50060160caxxxxxx' [Tue Nov 23 05:16:32 EST 2021]

/var/log/messages from the OVS Server:

Nov 28 11:37:09 ovs-host01 kernel: [460891.582168] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 11:42:19 ovs-host01 kernel: [461202.083216] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 11:47:30 ovs-host01 kernel: [461512.584368] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 11:52:40 ovs-host01 kernel: [461823.085416] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 11:57:31 ovs-host01 kernel: [462113.557761] Error:Mpx:EKMC032: Path Bus 12 Tgt 8 Lun 1 to 000120000xxx is dead.
Nov 28 11:57:31 ovs-host01 kernel: [462113.561197] Error:Mpx:EKMC006: Bus 12 to Symmetrix 000120000576 port FA 2c:02 is dead.
Nov 28 11:57:45 ovs-host01 emcplun_linux: error: iSCSI Sessions NOT found on the host
Nov 28 11:57:45 ovs-host01 emcplun_linux: error: Open-FCoE Sessions NOT found on the host
Nov 28 11:57:51 ovs-host01 kernel: [462133.618529] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:02:51 ovs-host01 kernel: [462434.110276] Error:Mpx:EKMC032: Path Bus 12 Tgt 8 Lun 1 to 000120000xxx is dead.
Nov 28 12:02:51 ovs-host01 kernel: [462434.113296] Error:Mpx:EKMC006: Bus 12 to Symmetrix 000120000576 port FA 2c:02 is dead.
Nov 28 12:03:01 ovs-host01 kernel: [462444.151646] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:08:12 ovs-host01 kernel: [462754.652827] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:13:22 ovs-host01 kernel: [463065.153858] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:13:32 ovs-host01 kernel: [463075.173600] Error:Mpx:EKMC032: Path Bus 12 Tgt 8 Lun 1 to 000120000xxx is dead.
Nov 28 12:13:32 ovs-host01 kernel: [463075.177026] Error:Mpx:EKMC006: Bus 12 to Symmetrix 000120000576 port FA 2c:02 is dead.
Nov 28 12:13:47 ovs-host01 emcplun_linux: error: iSCSI Sessions NOT found on the host
Nov 28 12:13:47 ovs-host01 emcplun_linux: error: Open-FCoE Sessions NOT found on the host
Nov 28 12:18:33 ovs-host01 kernel: [463375.686956] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:18:53 ovs-host01 kernel: [463395.725947] Error:Mpx:EKMC032: Path Bus 12 Tgt 8 Lun 1 to 000120000xxx is dead.
Nov 28 12:18:53 ovs-host01 kernel: [463395.729021] Error:Mpx:EKMC006: Bus 12 to Symmetrix 000120000576 port FA 2c:02 is dead.
Nov 28 12:23:43 ovs-host01 kernel: [463686.220121] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 12:28:54 ovs-host01 kernel: [463996.721174] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 19:59:07 ovs-host01 kernel: [491010.317419] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 20:04:17 ovs-host01 kernel: [491320.818569] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 20:09:28 ovs-host01 kernel: [491631.319610] Warning:emcp:Dell EMC PowerPath licence is not installed
Nov 28 20:14:38 ovs-host01 kernel: [491941.820771] Warning:emcp:Dell EMC PowerPath licence is not installed

Changes

Dell EMC PowerPath Installation. 

Cause

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