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Hardware: IBM 3850 M2 and VMware
The new cluster where I work is comprised of three IBM 3850 M2 servers. I love these things! They are each quad, quad core machines with 64 gigs of ram but upgradeable to 256 gigs. Hot swap power...
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Programming/Linux: Perl Implementing Lockfiles With Syslog
The perl script below will outline a general process of implementing lock files. Lock files here are used to check if another instance of the script is currently running. This can also be accomplished...
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Hardware: Cisco UCS Memory Bug B250 Blades
We started receiving DIMM (RAM) errors in our UCS environment about a week ago. This has only occurred on our B250-M1 blades. The error could be found both in the UCS System Manager (Java GUI) and from...
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Cisco Nexus 1000v 4.2 Upgrade Problems And Fix
Update I’m glad Jeff (see comments) caught where I went wrong. After his comment I went back through the n1000v_upgrade_software PDF from cisco. For version 4.0(4)SV1(3a), the VEMs should have been...
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