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USM Health Check tool fails NBS Configuration Existence check fails with the following error: Check: The Network Block Service (NBS) configuration file /etc/nbs.conf does not exist on Control Station. Contact your service provider to restore it. Rule Instructions: The NBS configuration file should exist and contain valid content. Checking the VNX, found that the /etc/nbs.conf file does exist, and also has valid content. Example from a VNX5300: $ cat /etc/nbs.conf 0:1:server_2,server_3b,server_2b,server_3: 4:5:server_2,server_3b,server_2b,server_3: 5:6:server_2,server_3b,server_2b,server_3: nas_checkup tool runs without any NBS error. Tested CLI login with the sysadmin account and received an error. Example: sysadmin@storageDomain@<control_station_hostname> password: Last login: Thu Jun 16 09:01:31 2016 from 172.17.1.154 EMC VNX Control Station Linux Mon Sep 26 19:14:50 EDT 2011 Could not chdir to home directory /home/sysadmin1: Permission denied -bash: /home/sysadmin1/.bash_profile: Permission denied -bash-3.2$
The USM Health Check tool performs a chdir to the Global account home directory when running the NBS Configuration Existence Check. This mapped user account for the Global user has either incorrect home directory ownership, or missing the home directory altogether. In this example, the mapped user account sysadmin1 has UID 520, but it is home directory ownership is with UID 515. -bash-3.2$ id uid=520(sysadmin1 ) gid=201(nasadmin) groups=201(nasadmin),507(administrator)# ls -alth /home |grep sysadm drwx------ 2 515 nasadmin 4.0K Jul 18 2014 sysadmin1 drwx------ 2 516 nasadmin 4.0K May 1 2014 sysadmin
Change "/home" directory ownership for the impacted global user accounts and mapped user account. Example: # chown sysadmin1 /home/sysadmin1 Verify the change: # ls -al /home |grep sysadmin drwx------ 2 sysadmin1 nasadmin 4096 Aug 23 2014 sysadmin1
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