Verizon Uses SD-WAN Monitoring Software from SevOne
Paradox: SD-WAN makes some things simpler, but others more complicated.
Paradox: SD-WAN makes some things simpler, but others more complicated.
The Zetta File System (ZFS), as a back-end file system to Lustre, has had support in Lustre for a long time. But in the last few years it has gained greater importance, likely due to Lustre’s push into enterprise and the increasing demands by both enterprise and non-enterprise IT to add more reliability and flexibility features to Lustre. So, ZFS has had significant traction in recent Lustre deployments.
However, over the last 18 months, a few challenges have been the focus of several open source projects in the Lustre developer community to improve performance, align the enterprise-grade features in ZFS …
Bolstering Lustre on ZFS: Highlights of Continuing Work was written by Nicole Hemsoth at The Next Platform.
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Hi Folks – if any of you are going to be at the VTUG Winter Warmer at Gillette Stadium, come find me, I’ve got a keynote at 10am at “West Side South”. If you’re going to be in the area, it’s an event that’s been going on for several years now and should be fun..
I’ll be talking about Red Hat’s strategy in the Hybrid Cloud and especially how RHV fits into that.
I believe (don’t quote me on this) that the event is free for VTUG members, and that all you need to do is register to become a VTUG member (I believe that is also free) before the event.
Date: January 19, 2017
Location: Gillette Stadium, Patriot Place, Foxboro MA
Hope to see you there,
Captain KVM
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I’m fiddling around a bit with Python. I’m planning to write a little script that pings a host or hosts and logs it to a file. Should be pretty basic but it’s good practice for me to take user input, read from a file, write to a file and so on. I wanted to support having arguments in the script to do things like a continuous ping or ping with x number of packets and then stop. To help the user pick the arguments I planned to do a little help text that printed out the arguments. Something like:
# Import sys
import sys
# Function for printing help text
def help_text():
print "Daniel's awesome ping script."
print "\n"
print "-c The number of packets that should be sent(integer)"
print "-t Timeout in seconds to wait for ICMP Echo Reply"
print "-i Run continuous ping"
# Check if user has input any options otherwise print help text
if len(sys.argv) < 2:
help_text()
The problem with doing this manually is that you have to parse the arguments and build the logic yourself. For example the script should not allow someone to input both -c and -i since those arguments should be mutually Continue reading