• How do I tune/adjust monitoring?

    There are a couple of options–each acting in different ways to impact different items. Option 1:Enable fuzzyoffset on the monitoring objects.If you are seeing checks like ssh2node, ldap, and ntp showing as flapping between failed and passing, you can try enabling fuzzyoffset which adds an element of random timing to…

  • How to remove or disable nslcd on Bright 8.2

    If another authentication mechanism is to be used, SSSD for example, NSLCD will need to be disabled within Bright. In Bright 8.2, the nslcd service is inherited by a special in-built role, which isn’t exposed in BrightView or cmsh. That is what re-installs the nslcd package for example. You can…

  • How do I connect an external host to Bright’s LDAP?

    In terms of the LDAP parameters, the cmd.conf file contains some of the required values that cmdaemon uses to bind with the Bright provided LDAP. You can review the values with this command. [root@headnode ~]# grep LDAP /cm/local/apps/cmd/etc/cmd.conf The bind dn you could use is : cn=readonlyroot,dc=cm,dc=cluster Below is an example…

  • How do I disable Shorewall, IPtables?

    You may follow these procedures to disable shorewall on your head node. First, run the following commands on your head node to prevent Bright from automatically restarting shorewall: # cmsh% device use master% services% set shorewall autostart no% set shorewall6 autostart no% commit Next, stop and disable both shorewall services:…

  • One of my headnodes has died. How do I restore High Availability on my cluster?

    This article assumes that HA is setup and configured properly, and that one of the nodes has completely died and is being replaced with new hardware. Bright’s license is tied to the MAC addresses of both headnodes.  First unlock the product key via the support portal http://customer.brightcomputing.com (left hand menu)…

  • How do I replace ntpd for chrony on a Bright Cluster?

    The following procedure was tested on Bright 8.2 on CentOS-7u7 WARNING: Please note that an update of certain Bright packages can remove some of the changes that were done manually here. If the  packages node-installer or  node-installer-nfsroot are updated/reinstalled on the head node, then step 7 of this article has…