raid controller

Mon

Nov

How to Fix: Test RAID for Bad Sectors (Sync Errors)

by Dennis Faas on November, 9 2015 at 09:11AM EST

Infopackets Reader Steve H. writes: " Dear Dennis, I have a RAID 1 set up with 4 hard drives in a mirrored array. Recently my RAID software reported that one of the drives was dropped from the array and has since been marked as 'rebuilding', ... however, during the rebuild process I keep receiving RAID controller errors that data could not be synced / written to the drive. I'm not sure what to do from here. Is there any way for me to independently check the drive for errors? I understand that if the drive is bad I should replace it, but I'm not even sure which drive is which. " My response: This ... (view more)

Thu

Mar

Using 4 hard drives in RAID-0 configuration?

by Dennis Faas on March, 20 2003 at 08:03AM EST

This article is a bit technical and relies on know-how from a previous article I've written about RAID. In brief, the word 'RAID' is a techy-term which stands for Redundant Array of Independent (or Inexpensive) Disks. A hard disk array is simply a ... bunch of hard drives chained together. Benefits of using RAID are generally two-fold, and include: increased file read / write performance (known as RAID-0), and data redundancy for backup purposes (known as RAID-1). I've previously written an article about RAID if you would like to read up on it . It is very simplistic and explains RAID essentials ... (view more)

Thu

Aug

Flashing a ROM

by Dennis Faas on August, 15 2002 at 08:08AM EDT

Have you ever flashed your BIOS? The BIOS is a chip built onto a circuit board that contains a set of instructions. The instructions are responsible for controlling the device and how it interacts with other peripherals. For example: a main board ... (motherboard) contains a BIOS (CMOS) which stores information about your computer, such as the size of your hard drive, COM ports, buffers, and the like. Flashing a BIOS simply means to update the code of the BIOS instruction. This is done with two separate pieces of software: the BIOS flashing program, and the BIOS update itself. The BIOS flashing ... (view more)

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