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Friday, January 31, 2014

Working with VCSA embedded database

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It's not often but sometimes you have to work with vCenter database. Usually it should be done only if you are instructed by VMware Sup...
1 comment:
Saturday, January 18, 2014

DELL NPAR and VMware vSphere

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DELL NPAR is Network Partitioning of single 10Gb NIC or better to say 10Gb CNA (Converged Network Adapter). NPAR technology is implemented ...
Monday, January 13, 2014

Deploying ESXi 5.x using the Scripted Install feature

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Unfortunately I had no chance to design and implement automated vSphere deployment for any customer. I tried several automated deployment p...
Sunday, January 12, 2014

VMware Update Manager DELL depot

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DELL has VMware Update Manager (VUM) Depot at https://vmwaredepot.dell.com/ index.xml You can simply add the depot into VUM  Download Set...
Saturday, January 04, 2014

VMware All Paths Down (aka APD)

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All Paths Down (APD), a feature of the VMware ESXi host used in cases where all paths to the VM go down because of storage failure or admin...

What is SAN Fill Word?

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This is snip from Brocade SAN Admin Best Practicies ... Note: Fill Word (apply for 8 Gbps platform only) Prior to the introduction of 8 ...
Friday, January 03, 2014

Do you know - MS Excel max file path is 213?

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I have just tried open the .xls file in MS Excel 2010 and it failed with message like ... "File could not be found. Check the spell...
Thursday, January 02, 2014

GSM/GPRS Modem Siemens ES75 - usefull AT commands

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I have been asked by one customer to prepare some automated system which can dial admin cellular phone number in case of any trouble. They...
Tuesday, December 31, 2013

Storage Array Power Consumption Calculation

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Although some mid-range Storage Arrays have custom ASICs they are usually build from commodity enterprise components. The real know-how an...
Monday, December 23, 2013

FreeBSD running from read-only compact flash disk and accessible over serial console (COM1)

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I very often use FreeBSD for some automation tasks or as a network appliance. I like hardware like SOEKRIS, ALIX and other similar rotate-l...
1 comment:
Tuesday, December 17, 2013

SSL Certificate filename extensions

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Original resource is here . SSL has been around for long enough you'd think that there would be agreed upon container formats. And y...

Public/private cloud - pure reality without marketing bla...bla...bla

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We all know the datacenter cloud concept - consuming datacenter resources in standard and predictable way - is inevitable. However technolo...
Sunday, December 15, 2013

Redirect DELL PowerEdge server serial port to iDRAC

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Let's assume you use COM2 serial port for console access into your operating system. This is usually used on linux, freebsd or other *...
Sunday, December 08, 2013

Virtual SAN Hardware Guidance Part 1 – Solid State Drives

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Here is very good read to understand different SSD types.

Force10 doesn't keep configuration after reload

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I had a call from customer who was really unhappy because his Force10 S4810 switch configuration disappeared after switch reload or reboot....
2 comments:
Wednesday, December 04, 2013

Local and shared storage performance comparison

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I have just answered typical question received by email. Here is the email I have got ... Working with a customer to validate an...