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This post will demonstrate a detailed method of enumerating processors in a running linux server. Before delving into the topic, some terms should be defined: Physical Package: The physical package is a microprocessor. For each physical package, it plugs into…

Here we listed 3 ways on the installation of Dell OpenManage Server Administrator on a Redhat Enterprise Linux, you can follows these steps on CentOS or SLES 10, they would work well. 1, Install from RPM packages Generally we need…

Hpasmcli is short for HP System Health Application and Insight Management Agents, it’s a scriptable command line interface for interacting with the hpasm management daemons, which can be used to view / set / modify BIOS settings such as hyper-threading, boot…

[Dr. Peter Chubb, Project Research Officer – Gelato] Over the last six months, Google has sponsored Gelato to take a close look at the disk chedulers in Linux, particularly when combined with RAID. We benchmarked the four standard Linux disk…

Understanding the distinction between your shell types, profile files and shell rc files is important because when you apply modifications to your system you need to know where  to set variables in order to make sure that they can be…

This week Facebook should have completed its new photo storage system which is designed to reduce the social network’s reliance on expensive proprietary solutions from NetApp and Akamai. The new large blob storage system, named Haystack, is a custom-built file…

kernel: ata2: status=0x51 { DriveReady SeekComplete Error } The root cause is not understood yet but cabling or drivers is suspected. Suggested: Raise a vendor call for the cabling to be checked.

When one of the disks failed in Dell MD1000, the hotspare disk will change its role into online mode, and you need to replace  the bad disk with a good one. So a question comes, how can I set the…

Dell PowerEdge 2950 control dashboard LCD provides status messages to signify when its physical system is operating well or when needs some attention. The LCD lights blue to indicate a normal operating condition, and lights amber to indicate an error…

Dmidecode is a tool for dumping a computer’s DMI (some say SMBIOS) table contents that  described in your system BIOS in a human-readable format. This table contains descriptions of your system hardware components, as well as other useful pieces of…