Archive for Infrastructure

Linux Commands – A Quick Reference

// March 12th, 2013 // Comments Off on Linux Commands – A Quick Reference // Infrastructure

In an effort to consolidate into one location notes I’ve made over the years listing common linux commands, I’ve chosen to place them into a single post that will be updated as living reference guide.

I want thank the people that have helped me in compiling this listing either by sharing their own notes, or by pointing me in the right direction when I’ve had questions.  (Eric, Kenny, Marcus, Yossef – I mean you guys!).

 

 

 

 

 

 

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Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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VMware Fault Tolerance

// October 8th, 2012 // Comments Off on VMware Fault Tolerance // Infrastructure

 

The FT requires HA to be enabled. However, with my scenario, I only have 2 hosts and HA enabled. The Host failure cluster tolerate is 1 host. FT won’t accept that. The easiest way is to use percentage of resrouces and setup it as 5%

 

 

 

 

 

 

 

http://geeksilver.wordpress.com/2011/03/24/vmware-fault-tolerance-configuration-and-setup/

Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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PowerShell – Checking Status of MSSQL Server Mirrored DB’s

// September 26th, 2012 // Comments Off on PowerShell – Checking Status of MSSQL Server Mirrored DB’s // Infrastructure

# Load SMO extension
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Smo") | Out-Null;

# Servers to check
$sqlservers = @("server1", "server2", "server3");
foreach($server in $sqlservers)
{
     $srv = New-Object "Microsoft.SqlServer.Management.Smo.Server" $server;
     # Get mirrored databases
     $databases = $srv.Databases | Where-Object {$_.IsMirroringEnabled -eq $true};
     Write-Host $server;
     Write-Host "==================================";
     $databases | Select-Object -Property Name, MirroringStatus | Format-Table -AutoSize;
}

Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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EMC Storage – Design Considerations & Caveats

// September 26th, 2012 // Comments Off on EMC Storage – Design Considerations & Caveats // Infrastructure, Storage

A recomended read on various design considerations and use cases for EMC storage pool provisioning.  Vijay reviews in length 4 important caveat’s when implenting storage pools over RG’s.

 

 

 

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Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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Enterprise Java Applications on VMware – Best Practices

// September 25th, 2012 // Comments Off on Enterprise Java Applications on VMware – Best Practices // Infrastructure

VMware Whitepaper on virtualizing Enterprise Java Applications and Infrastructure/Application design considerations.

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Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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BigIP iRules for fun and profit: Using iRules for HTTP resource load balancing

// September 25th, 2012 // Comments Off on BigIP iRules for fun and profit: Using iRules for HTTP resource load balancing // Infrastructure

BigIP Local Traffic Management

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Joshua Johnson

Joshua Johnson is a Southern California based IT professional specializing in IT Infrastructure, InfoSec, and fighting entropy.

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