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Knowledge Base

In a VxRAil environment the lsu-lsi-lsi-msgpt3-plugin could conflict with PTAgent resulting in the ESXi host becoming unresponsive. (52691)

Last Updated: 1/13/2019Categories: TroubleshootingTotal Views: 5344Language:
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Symptoms

ESXi may become unresponsive on VxRail Dell platforms with VxRail 4.0.302 or earlier release. You may experience one or more of the following symptoms.

Lock file exists - /etc/vmware/esx.conf.LOCK

hostd not responding

The following error may be seen in CLI to one or more nodes:
Exception occurred: Error interacting with configuration file /etc/vmware/esx.conf: Timout while waiting for lock, /etc/vmware/esx.conf.LOCK, to be released. Another process has kept this file locked for more than 30 seconds. The process currently holding the lock is esxcfg-mpath(237504201).  This is likely a temporary condition.  Please try your operation again.

The vmkernel.log of one or more nodes may contain something similar to:
2017-07-30T11:49:26.388Z cpu79:37028)FSS: 6264: Failed to open file 'naa.5002538a072cb670'; Requested flags 0x5, world: 37028 [DellPTAgent], (Existing flags 0x4005, world: 36267 [hostd-worker]): Busy
2017-07-30T11:50:28.040Z cpu66:37028)FSS: 6264: Failed to open file 'naa.5002538a072cb620'; Requested flags 0x5, world: 37028 [DellPTAgent], (Existing flags 0x4005, world: 35579 [hostd-worker]): Busy

AND / OR:
2017-06-17T16:22:54.246Z warning hostd-probe[FF8D0350] [Originator@6876 sub=Default] TimeoutException -- Operation timed out hostd detected to be non-responsive

The hostd.log of one or more nodes may contain something similar to:
2017-06-17T15:19:28.454Z warning hostd[47781B70] [Originator@6876 sub=Hostsvc.NetworkProvider opID=54708a35 user=vpxuser] Error getting dvs 5b 45 05 50 62 c4 95 15-61 3d 4f 33 c1 1d 67 37 : Error interacting with configuration file /etc/vmware/esx.conf: Timout while waiting for lock, /etc/vmware/esx.conf.LOCK, to be released. Another process has kept this file locked for more than 30 seconds. The process currently holding the lock is esxcfg-mpath(578473882).  This is likely a temporary condition.  Please try your operation again.

Cause

Certain ESXi commands will result in excessive IOCTL commands to the storage controllers. This results in the commands taking a long time to be returned and eventually the ESXi host becomes unresponsive.

By removing the lsu-lsi-lsi-msgpt3-plugin could mitigate the issue.

[root@prme-vxrail-12-03:~] esxcli software vib list | grep msgpt3-plugin
lsu-lsi-lsi-msgpt3-plugin      1.0.0-1vmw.600.0.0.2494585           VMware  VMwareCertified   2017-02-07

// vdu_-a-.txt:
For '/opt/lsi/lib/libstorelibir-3.so':
tardisk dell_pta.v00:       586789

For '/opt/dell/DellPTAgent/lsi/lib/libstorelibir-3.so':
tardisk dell_pta.v00:       586789

For '/usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so':
tardisk lsu_lsi_.v01:       406996

Resolution

This issue has been addressed in VxRail 4.5.x, 4.0.400

Removed lsu-lsi-lsi-msgpt3-plugin from VxRail 4.5.x, 4.0.400 Golden Image

Removed lsu-lsi-lsi-msgpt3-plugin from VxRail 4.5.x, 4.0.400 upgrade composite bundle

Removed lsu-lsi-lsi-msgpt3-plugin when upgrading to 4.5.x or 4.0.400

Workaround

Customer on 4.0.302 or earlier release impacted by this, use either option below to remedy the issue.

a) If /etc/vmware/esx.conf.LOCK exists
1. Stage the removal action
# esxcli software vib remove --no-live-install -n lsu-lsi-lsi-msgpt3-plugin
Removal Result
Message: The update completed successfully, but the system needs to be rebooted for the changes to be effective.
Reboot Required: true
VIBs Installed:
VIBs Removed: VMware_bootbank_lsu-lsi-lsi-msgpt3-plugin_1.0.0-1vmw.600.0.0.2494585

VIBs Skipped:
2. The VIB removal is not effective until ESXi host takes a reboot

b) If /etc/vmware/esx.conf.LOCK doesn't exist
1. Log into node and perform following command to list process linked with plug-in:
# lsof | grep msgpt3
2. Stop the processes that are linked with plug-in, one at a time, with:
# /etc/init.d/<name of process> stop
3. Confirm that there are no more process running that are linked with plug-in:
# lsof | grep msgpt3
4. If the output of the command from step 3 is blank, remove the plugin:
# localcli software vib remove -n lsu-lsi-lsi-msgpt3-plugin
5. Restart the stopped processes:
# /etc/init.d/<name of process> start
6. Check to make sure there no process linked to lsu-lsi-lsi-msgpt3-plugin:
# lsof | grep msgpt3

Example of removing plugin from a node:
# lsof | grep msgpt3
35350  smartd        MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:12288)
35350  smartd        MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:8192)
35350  smartd        MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:393216)
35350  smartd        MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:16384)
34915  storageRM     MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:12288)
34915  storageRM     MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:8192)
34915  storageRM     MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:393216)
34915  storageRM     MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:16384)
34901  sdrsInjector  MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:12288)
34901  sdrsInjector  MMAP  -1   /usr/lib/vmware/lsu_plugins/liblsu_lsi_lsi_msgpt3_plugin.so (prot:--/len:8192)
34901  sdrsInjector  MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:393216)
34901  sdrsInjector  MMAP  -1   /usr/lib/vmware/lsu_plugins/lsi-lsi-msgpt3-plugin/libstorelibir-3.so (prot:--/len:16384)

# /etc/init.d/smartd stop
watchdog-smartd: Terminating watchdog process with PID 35303
smartd stopped
# /etc/init.d/storageRM stop
watchdog-storageRM: Terminating watchdog process with PID 34868
storageRM stopped
# /etc/init.d/sdrsInjector stop
watchdog-sdrsInjector: Terminating watchdog process with PID 34847
sdrsInjector stopped

# localcli software vib remove -n lsu-lsi-lsi-msgpt3-plugin
Removal Result:
Message: Operation finished successfully.
Reboot Required: false
VIBs Installed:
VIBs Removed: VMware_bootbank_lsu-lsi-lsi-msgpt3-plugin_1.0.0-1vmw.600.0.0.2494585
VIBs Skipped:

# /etc/init.d/sdrsInjector start
sdrsInjector started
# /etc/init.d/storageRM start
storageRM started
# /etc/init.d/smartd start
smartd started
# /etc/init.d/hostd start
Ramdisk 'hostd' with estimated size of 1803MB already exists
hostd started.

# lsof | grep msgpt3

Detectable by VMware SkylineTM

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