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Ioscan

This document describes an issue where the virtual switch will not start after a network interruption in HP-UX 11i. The error message "hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use" is displayed. The solution involves using lanscan to check the hardware configuration of LAN cards, and checking the /etc/rc.log file to see the HPVM host startup messages, where it is showing an error unable to load a required kernel module.

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Tim
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74 views3 pages

Ioscan

This document describes an issue where the virtual switch will not start after a network interruption in HP-UX 11i. The error message "hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use" is displayed. The solution involves using lanscan to check the hardware configuration of LAN cards, and checking the /etc/rc.log file to see the HPVM host startup messages, where it is showing an error unable to load a required kernel module.

Uploaded by

Tim
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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HP-UX 11i Internet and Networking - HPVM: Error "hpvmnet: WARN... https://support.hpe.com/hpesc/public/docDisplay?

docId=c01734691

1 of 3 12/6/2020, 16:01
HP-UX 11i Internet and Networking - HPVM: Error "hpvmnet: WARN... https://support.hpe.com/hpesc/public/docDisplay?docId=c01734691

HP-UX 11i Internet and Networking - HPVM: Error "hpvmnet:


WARNING (host): Unable to start vswitch 'vs00'. Lan in use"
ISSUE:
After a network interruption the virtual switch will not start. When trying to run the command hpvmnet -b -S vs00,
we get the following message:
hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use.
hpvmnet: Unable to start the vswitch. hpvmnet: Unable to continue.

# hpvmnet -b -S vs00
hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use.
hpvmnet: Unable to start the vswitch.
hpvmnet: Unable to continue.

# /sbin/init.d/net stop
# hpvmnet -b -S vs00 hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use.
hpvmnet: Unable to start the vswitch.
hpvmnet: Unable to continue.

SOLUTION:
--> lanscan

Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI Path Address I

--> Hardware configuration for LAN cards:

ioscan -fkn -C lan

Class I H/W Path Driver S/W State H/W Type Description ==========================================
lan 0 0/0/12/1/0 iether CLAIMED INTERFACE HP A7012-60001 PCI/PCI-X 1000Base-T Dual-port Adapter
lan 1 0/0/12/1/1 iether CLAIMED INTERFACE HP A7012-60001 PCI/PCI-X 1000Base-T Dual-port Adapter
lan 2 1/0/2/1/0/6/0 iether CLAIMED INTERFACE HP AB290-60001 PCI/PCI-X 1000Base-T 2-port U320 SCSI/2
lan 3 1/0/2/1/0/6/1 iether CLAIMED INTERFACE HP AB290-60001 PCI/PCI-X 1000Base-T 2-port U320 SCSI/2

--> HPVM Host startup extract from /etc/rc.log


Start HP Virtual Machine Monitor
Output from /sbin/rc2.d/S529hpvm start:

----------------------------
vm_fssagt pid 1997
NOTE: No change to 'hpvmdvr' was needed.
WARNING: The previous change of 'hpvmdvr' to loaded state, which was
being held until next boot, has been discarded.
Module State Cause Notes
hpvmdvr loaded explicit auto-loadable, unloadable
NOTE: No change to 'hvsd' was needed.
Module State Cause Notes
hvsd loaded explicit loadable, unloadable
* The requested changes have been applied to the currently
running system.
Module State Cause Notes
hpvmntdvr (before) unused auto-loadable, unloadable
(now) loaded explicit
ERROR: Unable to load module 'hssn': Cannot load required kernel module
VMM load succeeded
hpvmnet: WARNING (host): Unable to start vswitch 'vs00'. Lan in use.
hpvmnet: ERROR (host): Unable to start all of the hpvmnetds.
hpvmnet: Unable to start all the vswitches.
hpvmnet: Unable to continue.

2 of 3 12/6/2020, 16:01
HP-UX 11i Internet and Networking - HPVM: Error "hpvmnet: WARN... https://support.hpe.com/hpesc/public/docDisplay?docId=c01734691

3 of 3 12/6/2020, 16:01

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