Linux hard Raid installation note-Linux Enterprise Application-Linux server application information. The following is a detailed description. Server Configuration:
CPU: Xeon 3210 quad core
Motherboard: Intel S3000AH
Memory: 2G DDR667 x 2
Hard Disk: WD2500YD x 2
Others: 1U chassis copper turbine fan
Installation prelude
Servers are collected from the purchase of accessories, which is cost-effective. After installation, the dealer installed a system test to test whether the hardware can run. When Windows Server 2003 and Intel S3000AH are used, the driver is an LSI raid driver. At this time, I learned that raid on the board has two types: LSI and Intel Matrix Storage. LSI is an independent chip, and Intel Matrix Storage is integrated in the south bridge, but LSI does not support raid 5. If raid5 is not used, LSI raid is used to reduce system performance consumption. After some struggle, I finally installed Windows Server 2003 with LSI raid.
Installation history
Move the machine back and start to install CentOS 5.1
But the normal installation is always identified as two independent hard disks (in fact, if raid is well done at this time, the system should also identify it as a hard disk ), when installing the process to partition disks, there is a Raid option. In fact, if you do this, it is often referred to as soft raid, which will increase the system load, this can be achieved without a RAID card, so a long installation process is started.
At the beginning, there was no soft drive, and a USB flash drive was used to install the driver. The linux dd result was not good. After a long afternoon, I gave up.
Continue in the evening. I found a software drive.
Dd if =/usr/src/driver_raid/raid. img of =/dev/fd0 always prompts that the device is busy.
After more than half a day, I found that I do not need to attach a soft drive to write data in this way. The driver is successfully written, but linux dd still does not work. The installation steps are as follows:
RAID Driver for Linux
RHEL5, unlike previous RHEL version, requires additional steps for installing the OS onto an Intel (R) Embedded Server RAID Technology volume.
1) Create a RAID array using the Intel Embedded Server RAID Technology ii raid bios Configuration Utility.
2) Boot your system using RHEL disc one.
3) At boot prompt type "linux nostorage"
4) Proceed with the installation and you will see a screen which provides you with Add device button.
5) Click "Add Device", a list of all drivers will appear
6) Press F2 to select driver from floppy
7) Insert the floppy with the Installer DUD image
8) Select device that corresponds to the floppy drive (sda in case of USB floppy)
9) After the driver is loaded the list of all drivers will appear again
10) Scroll down the driver list and select. Update your ide driver. in the list
11) Click OK
12) The driver will be loaded and the list of detected devices will appear
13) Click Done
14) Complete installation with RHEL CD
It was found that linux nostorage was used to load the driver before installation, so it was very HIGH and finally the installation was complete.
Installation Summary
The importance of official documents, ReadMe is too critical. If I went to see it early, I had to solve the problem.
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