How do I configure Cisco DCNM so Putty starts when I select to go to the command line of a switch?
If you right click on a switch in the overview section in DCNM, you can go to the command line of that switch, but how do you change the default CLI SSH into Putty (or another telnet / SSH capable tool)?
DCNM is down. I love the tool, but the downside is that you forget how to use the CLI. I faced downtime of our DCNM appliance and was forced to use the CLI instead. No big deal actually, but I still want to post the commands to use when you need to add new hosts to existing zones.
First you might want to create a new device alias for the new hosts:
device-alias database
device-alias name server1 pwwn 20:11:00:15:b9:00:00:00
device-alias name server2 pwwn 20:11:00:15:b9:00:00:01
device-alias commit
And then you want to add the new aliases to the existing (smart) zone:
config
zone name NameOfZone vsan 123
member device-alias server1 init
member device-alias server2 init
zone commit vsan 123
You can commit the whole zoneset now by running:
zoneset activate name ZoneSetName vsan 123
That’s it! there’s not much to it, and can save you a lot of time as well!
Over the years I collected a number of useful CLI commands to control the DMX / VMAX machines I worked with. Even though nowadays Unisphere for VMAX is a useful tool, nothing really beats the command line!
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Creating tdevs and masking them to hosts (storage groups in a masking view) is relatively easy in the Unisphere for VMAX interface, but what if you add a few tdevs of exactly the same size and you want to make sure that the VMware administrator uses the right LUN for each VMFS he’s going to create? One way to make sure he knows which LUN corresponds with what tdev is the Host LUN id. To list the host LUN ids
symaccess -sid 1234 show view mv_some-maskingview-name
or (a bit more verbose)
symaccess -sid 1234 list view -name mv_some-maskingview-name -detail
The second command shows each initiator group nested within other initiator groups as well.
Both generate a table with the following headers:
Sym Host
Dev Dir:Port Physical Device Name Lun Attr Cap(MB)
The column under “Host Lun” shows the Host LUN ids.
Recently I needed to make some edits on vmdk files in order to get rid of a reference to the change tracking files, as mentioned in Gabrie’s post: Cannot open the disk and could not open change tracking file. An SSH connection to a VMware ESXi host was required. SHH was disabled and I needed to enable it temporarily.
In vSphere, select the host you want to enable SSH on.
Select the “Configuration” TAB, then “Security Profile”. In the upper right select “Properties.
A new window opens, now select SSH (you may need to scroll down a bit) and in the lower right select “Options”.
Again a new window opens and here you can either “Start” or “Stop” the SSH daemon.
EMC Elect 2013, 2014, 2015, 2016 and
Dell EMC Elect 2017
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