Category Archives: SAN / WAN - Page 2

Cisco DCNM server unresponsive

Posted by on July 17, 2017 2 comments
Cisco MDS

You’re running a DCNM virtual appliance and when you’re trying to log on, it looks like the appliance’s webserver is no longer active.

Connect to the Linux prompt of the appliance and do the following:

Stop DCNM services:

/usr/local/cisco/dcm/dcnm/bin/stopLANSANServer.sh

Open the psql prompt:

/usr/local/cisco/dcm/db/bin/psql dcmdb

log on with root password (user root is assumed)

Type the command:

VACUUM FULL ANALYZE VERBOSE;

This will produce tons of output, but just let it run and eventually it all ends and you just need to start the DCNM services again.

When done, quit the psql prompt:

dcmdb=> \q

Start DCNM services:

/usr/local/cisco/dcm/dcnm/bin/startLANSANServer.sh

Source: cisco.com

Brocade SAN Switch commands that prove to be very useful

Posted by on June 8, 2017 No comments

Brocade commands are usually very easy to find out. Simply type “help” and look for the command you think you need, but what exactly does each command do? Here’s a list:

Info

uptime                          – Same as unix uptime
date                              – Same as unix date
version                          – Gives versions of firmwares & OS

Hardware State

faultshow                     – Show switch faults
fanshow                       – Show switch FAN faults
psshow                        – Show switch POWER SUPPLY faults
tempshow                    – Show switch TEMPERATURE values
switchstatusshow          – Overall status of switch

Config

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Free Dell EMC trainings

Posted by on May 23, 2017 No comments

For those that want some extra training on Unity or the VMAX All Flash for example, there’s free training available from Dell EMC Education at this moment:

This list is a summary only. For a complete list, take a look at DECN (Dell EMC Community Network) for the complete list: https://community.emc.com/docs/DOC-34286

Using putty instead of the default ssh from Cisco device manager

Posted by on September 28, 2016 No comments
DCNM

How do I configure Cisco DCNM so Putty starts when I select to go to the command line of a switch?

right click on 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)?

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How to add new members to an existing Cisco smart zone

Posted by on June 23, 2016 No comments
Cisco MDS

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!