These settings do not affect the read-ahead policy. The disk drive identified as! You can check the status and other things using the sas2ircu utiliity. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
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I use make menuconfig.
You can check boot-up message to make sure ,ernel is successful if the module is built in. In my kernel config, I’ve already enabled the following: The write policies specify whether the controller sends a write-request completion signal as soon as the data is in the cache or after it has been written linuc disk.
Proprietary tools creates the device node at startup. Join our community today! Virtual Drive contains physical drives 0,1 and 2 and includes the settings of the raid device such as raid level, strip size etc.
All theses card can be used with stock Linux kernel which includes a working driver. Supported Supported by Linux kernel? It means actually raid 0 over raid 1 that is RAID The script can be called with –nagios parameter.
The packages comes with a python wrapper around megasasctl and an initscript that periodic run this wrapper to check status. Now we’re going to enable write cache.
However LSI provide megaclia proprietary management command line utility which is rather hard to use.
The controller will now recognise the disk as being a “foreign” one. LinuxRaidForAdmins last modified This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant.
It will force a single line output and will return exit code 0 if all good, or 2 if at least one thing is wrong. At the end of aacraid section is the old information on tools available on Dell website, which may be useful for older distributions and controllers.
However it’s really hard to use because it’s use tones of command line parameters and there’s no documentation. Some linux tools are available on a CD included with the controller. Latest version seems to be provided as afaapps The cache policies are as follows:. There is a GUI kfrnel 3dm2 accessible via browser used for management and monitoring daemon that configures the RAID, monitors the disk status and sends mail on failure.
Management and reporting tools 3. Use regular readahead instead: This was not the case on at least one Dell PowerEdge machine. Hardware using this driver: These settings do not affect the read-ahead policy.
Visit the following links: Lets look at each lijux policy LSI raid card use. Below is information on the old afacli tool Dell also provides some admin tools in binary form. This utility meagraid with other crap can be downloaded here: There is also a megasasctl tool to get RAID status available from the megactl package on Sourceforge.
There are Debian packages of both tools available from http: Having a problem logging in?