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gotITsolutions.org
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Hello from Cisco Live 2010
Got in yesterday (6/28/2010) and planned to attend an afternoon session but I got hung up on a few items that required my attention. Attendance looks pretty good, food was a bit weak this AM but I am more of a coffee only person in the morning so not a huge deal for me. Internet [...]
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Avamar sizing brain dump
Avamar DS18 = Utility Node + Spare Node + 16 Active Data Nodes
For a 3.3. TB Gen-3 Grid
Raw Capacity ~102 TB
Spare Node ~6 TB
RAID5 ~15 TB
Checkpoint / GC ~28 TB
RAIN ~3 TB
Available for Active Backups ~49 TB
RAID Configuration:
RAID 1 for 3.3 TB node
RAID 5 for 2 TB nodes
RAID 1 for 1 TB nodes
How to calculate [...]
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VMotion Over Distance with EMC VPLEX
If you have not heard EMC announced a product called VPLEX at EMC World 2010 this week.
Note: I was watching and documenting at the same time so feel free to make any corrections to the data below.
What is the VPLEX recipe (what am I tasting in the session):
1/4 tablespoon storage vmotion capability in a geo [...]
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EMC World 2010 – Day 3 Update #emcworld
Well, I have pretty much gotten my ass kicked by EMC certification exams this year. Day one Centera exam was a big miss (kind of expected this one), BRS TA E20-329 was a near miss yesterday, 28 questions of 70 on Avamar and Data Domain, wonder if this provides any insight on the future of [...]
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CLARiiON FAST Cache #emcworld
Available later this year (2010)
Aligned with FAST: “Place data on the most appropriate storage resources”
Temporarily relocates often-used data to faster storage resources
Provide Flash drive performance to hottest data
Reduces load and improves performance of other resources
Fully automated application acceleration
Performance proposition
Large enough to contain a high percentage of working set over long time intervals
Fast enough to provide [...]
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Intro to Unisphere session at #emcworld
Unified management platform for CLARiiON, Celerra and RecoverPoint
Unified look and feel across all aforementioned products
Support for all CLARiiON >= FLARE 19
Release data Q3 2010
Only functions at the presentation layer
Will not impact the CLI so scripts will not be impacted by Unisphere
Views
Dashboard
Unified alerting sorted by severity
System list in the top toll bar provides the ability to [...]
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EMC World 2010 Initial Thoughts
Sitting in room 153A at a rather rudimentary Cisco session so thought I would take a few minutes to write up my initial observations and comments on EMC World 2010 this far (only an 1 hour and 30 mins in):
I am hoping that the Cloud message is less nebulous by the time I leave on [...]
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Great interview with Gurbaksh Chahal
Anyone interested in technology entrepreneurship needs to watch this video. As technologist we tend to get wrapped up in the product and how it needs to be the best, needs to be fully baked before it can be sold, etc… This video will be very enlightening.
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The best thing and the worst thing….
It has been said that the best thing about the internet is that anyone can publish, unfortunately the worst thing about the internet is that anyone can publish. Another fitting cliché is that opinions are like buttholes, I propose that the blog sphere has become a public restroom, reeking from the stench of personal opinion [...]
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Perl code to remove blank lines from a text file
Remove blank lines from a text file with a single line of perl: perl -ni.bak -e ’s/^\s*$//’ filename
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