Xen and CentOS 5.1 on PowerEdge 2950

Posted on April 14th, 2008 in Computers by ZoltarStark

I’ve installed CentOS 5.1 on PowerEdge 2950. The installation includes Xen 3.0.3. The new server is running multiple Xen guests. Xen and CentOS 5.1 on PowerEdge 2950

Do you RAID? (part 2)

Posted on March 2nd, 2008 in Computers by ZoltarStark

RAID is a mature technology which can be used to provide high availability for the data storage while also increasing the storage performance. In this article ZoltarStark explains the general characteristics of RAID-01, RAID-10, RAID-50 and RAID-51. The points covered are – redundancy level, storage efficiency, read and write performance, relative advantages and disadvantages. Do you RAID? (part 2)

Do you RAID? (part 1)

Posted on February 24th, 2008 in Computers by ZoltarStark

RAID is a mature technology which can be used to provide high availability for the data storage while also increasing the storage performance. In this article ZoltarStark explains the general characteristics of RAID-0, RAID-1, RAID-5 and RAID-6. The points covered are – redundancy level, storage efficiency, read and write performance, relative advantages and disadvantages. Do you RAID? (part 1)