ESXi Host Disconnects from vCenter Server

March 20, 2017 at 11:06 am 2 comments

Hi All

Recently we had an issue in one of customer environment where he is    hosting 3 nodes ESXi Cluster on Nutanix. Suddenly one of the host was showing not responding and disconnected from the VCenter. But luckily there was no impact to the production VM ‘s hosted in that node since it was only the Management Network was having issue with it. After several hours of troubleshooting we decided to call the VMware Support and found out the issue is related to KB 2145611)

Below is the extract from the vmkernel.log
——————————————————————————-
2017-03-19T05:35:01.871Z cpu26:7190268)ALERT: hostd detected to be non-responsive
2017-03-19T06:00:01.988Z cpu2:7192142)ALERT: hostd detected to be non-responsive
2017-03-19T06:02:53.474Z cpu6:36416)StorageApdHandler: 1204: APD start for 0x4305932c3770 [8c9d039d-452d1170]
2017-03-19T06:02:53.474Z cpu6:36416)StorageApdHandler: 1204: APD start for 0x4305932c4fd0 [fa49f8b0-fa322ecd]
2017-03-19T06:02:59.369Z cpu18:32953)StorageApdHandler: 1292: APD bounce-exit for 0x4305932c4fd0 [fa49f8b0-fa322ecd]
2017-03-19T06:02:59.369Z cpu18:32953)StorageApdHandler: 1292: APD bounce-exit for 0x4305932c3770 [8c9d039d-452d1170]

2017-03-19T09:40:04.774Z cpu44:7213651)WARNING: LinuxFileDesc: 5637: Unrecoverable exec failure: Failure during exec while original state already lost
2017-03-19T09:40:06.784Z cpu24:7213652)WARNING: UserParam: 1301: could not change group to <host/vim/vimuser/terminal/ssh>: Admission check failed for memory resource
2017-03-19T09:40:06.784Z cpu24:7213652)WARNING: LinuxFileDesc: 5637: Unrecoverable exec failure: Failure during exec while original state already lost
2017-03-19T09:40:06.986Z cpu29:7213653)WARNING: UserParam: 1301: could not change group to <host/vim/vimuser/terminal/ssh>: Admission check failed for memory resource
2017-03-19T09:40:06.986Z cpu29:7213653)WARNING: LinuxFileDesc: 5637: Unrecoverable exec failure: Failure during exec while original state already lost
2017-03-19T09:41:39.969Z cpu16:37557)WARNING: LinuxThread: 340: Error cloning thread: -28 (bad0081)
2017-03-19T09:45:52.490Z cpu43:7214205)WARNING: User: 5366: Error in exec’d cartel setup: Failed to map section: Admission check failed for memory resource
2017-03-19T09:45:52.490Z cpu43:7214205)WARNING: LinuxFileDesc: 5637: Unrecoverable exec failure: Failure during exec while original state already lost
2017-03-19T09:46:06.930Z cpu30:7214223)WARNING: LinuxThread: 340: Error cloning thread: -28 (bad0081)
2017-03-19T09:46:07.236Z cpu41:7214225)WARNING: LinuxThread: 340: Error cloning thread: -28 (bad0081)
2017-03-19T09:46:46.417Z cpu22:7214286)WARNING: User: 5366: Error in exec’d cartel setup: Failed to map section: Admission check failed for memory resource
2017-03-19T09:46:46.417Z cpu22:7214286)WARNING: LinuxFileDesc: 5637: Unrecoverable exec failure: Failure during exec while original state already lost
2017-03-19T09:47:11.461Z cpu26:37558)WARNING: LinuxThread: 340: Error cloning thread: -28 (bad0081)
2017-03-19T09:49:19.688Z cpu5:7214435)WARNING: LinuxThread: 340: Error cloning thread: -28 (bad0081)
————————————————————————————-

The support engineer suggested that we could try it by clear the likewise cache(where the ESXI host the AD authentication related data) before applying the patch.

The commands he used are:(Take a Putty Session to the ESXi host impacted)

# /usr/lib/vmware/likewsie/lw-lsa ad-cache –delete all

The above command will produce an error (file not found) if there is no cache.

Good luck.

 

 

 

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Entry filed under: VMware. Tags: , , , , .

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2 Comments Add your own

  • 1. Matthias Kaufmann  |  August 7, 2017 at 12:52 pm

    There’s a typo in the command. Correct is “/usr/lib/vmware/likewise/bin/lw-lsa ad-cache –delete-all”

    Reply
    • 2. Muralee  |  August 13, 2017 at 11:49 am

      Thanks Matthias for the correction.

      Reply

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