Sysadmin Stories

Short stories on virtualization, clouds and other technologies based on personal experiences and opinions.

Thursday, May 24, 2012

PowerCLI - Change virtual NIC device connectivity

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More on manipulating VM nics using PowerCLI. The connectivity of the NIC of a VM can be controlled by using the folllowing flags: connect...
Wednesday, May 23, 2012

NFS traffic rate limiting on Juniper switches

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"And now for something completely different"...  The configuration for the ESXi infrastructure I worked with is a bit tricky....
Monday, May 21, 2012

Virtual port group details

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I know there are tools that get all this info, but not in the form I needed and when and where I needed - during vmnic migration  and port ...
Thursday, May 17, 2012

Automate VM deployment from templates

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The title is a little pretentious, but the next piece of PowerCLI does the job fairly enough. The only thing I have to do is to have the te...
Tuesday, May 15, 2012

PowerCLI - ESXi network interfaces

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I have added new gigabit NIC`s on all the ESXi servers and before making any modifications to the traffic flows I wanted to see that the ne...
Monday, May 14, 2012

Data do shrink from one storage to another

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The transfer of mailboxes from EMC Centera to NetApp ended up with an interesting result: the data occupied 5 GB less on the NetApp filer.  ...
Sunday, May 13, 2012

Rsync cyrus volumes from EMC to NetAPP

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A couple of weeks ago I was faced with the following problem: clean up the EMC filer that hosts one of our client`s cyrus e-mail mailboxes....
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