Dell EMC Reference KB 483591
Note:MAC address replication is enabled by default on RP4VM 5.X. The following steps are specific for RP4VM 4.3 as per KB 483591.
We encountered the following “Conflicting VIBs” blocker, while upgrading ESXi 5.5 hosts to 6.0:
The Mellanox driver is required for infiniBand, as we do not have a requirement for infiniBand we could safely remove the MLX4 VIBs prior to the upgrade. Continue reading
The following steps detail how to suppress the vCenter cluster warning:
The number of heartbeat datastores for host is 1, which is less than required: 2
You may encounter this situation in a lab scenario where you do not have greater than 1 shared datastore per cluster. Continue reading
The following procedure uses Isilon CLI commands to shut down the entire cluster.
Cluster Shutdown Procedure:
1. SSH connect to node1 of the cluster and log in as the root user.
2. From the command prompt, type the following commands in this order:
If a specific node does not power down follow these steps to shut it down:
1. SSH to the node.
2. Log in as root and type: shutdown -p now
If you are experiencing file share permission issues where user permissions are not propagating down to the subfolder level then the following post may help with your troubleshooting.
Scenario: While the user is experiencing no issue while working on the initial layer of folders within a Windows file share, the user cannot work on subfolders and files that are more than one layer deep in the file share structure: Continue reading
A good place to start your troubleshooting is by restarting the ESXi management agents.
The following method uses the CLI option SSH/Local console to restart an ESXi host management agents:
At the command prompt type “NSLOOKUP “.
This will give you a “>” prompt.
Type “set type=MX “.
Type “microsoft.com “.
You should now get the MX records for “microsoft.com”:
microsoft.com MX preference = 10, mail exchanger = microsoft-com.mail.protection.outlook.com
microsoft-com.mail.protection.outlook.com internet address = 188.8.131.52
microsoft-com.mail.protection.outlook.com internet address = 184.108.40.206
microsoft-com.mail.protection.outlook.com internet address = 220.127.116.11
Or Use who.is:
Using Telnet from Windows to test port 25, from the command prompt window type:
telnet server port
telnet mail.eircom.net 25
or whoever the SP is ..
TELNET – BLACKLISTED:
521 connection rejected
Connection to host lost.