We look for its presence in the system: Enclosure – The physical chassis the physical drives attached to, represented by id, such as , etc. If megasasctl doesn’t work for you, you will have to use the proprietary cli utility from LSI: Let’s check if we have one and if it’s working fine:. There are Debian packages of both tools available from http:

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Tested with Linux 3.

Management and reporting tools 3. The packages comes with a python wrapper around megaraic and an initscript that periodic run this wrapper to check status. This site uses Akismet to reduce spam.

Let’s check if we have one and if it’s working fine:. Notably this driver uses the kernel scsi subsystem rather than implementing its own block device.

Linux and Hardware RAID: an administrator’s summary

Is the source for a command line interface tool available for adding and removing disks from the RAID set? There is currently no known opensource tool for theses cards. Retrieved from ” https: Debian-Installer Is the hardware supported by the Debian-Installer? Maximum number of sectors per IO command int parm: There is a GUI tool 3dm2 accessible via browser used for management and monitoring daemon that configures the RAID, monitors the disk status and sends mail on failure.


It means actually raid 0 over raid 1 that is RAID Hosting provided by Metropolitan Area Network Darmstadt. Please note you need a recent version of megarzid. Some linux tools are available on a CD included with the controller.

Now we’re going to enable write cache. Driver name Name of the Linux kernel module.

Kernel IO wait and megaraid controller | Arrfab’s Blog

Cache Policy’s are how the raid card uses on board RAM to collect data before writing out to disk or to read data before the system asks for it. If the system looses power and does not flush the cache it is possible to loose data. Below is information on the old afacli tool Dell also provides some admin tools in binary form.

I would suggest to either temporarily try to get yourself a new controller of the same type just megarai see if the first controller is faulty, or maybe look for a new firmware for this controller and search in Google on how to load the new firmware in the controller. Archttp is statically linked so it will run in virtually all circumstances. It will log a ligne to syslog when something failed and will send you a mail.


Hardware Raid Setup using MegaCli – Linux Raid Wiki

Even Ubuntu is listed in the wikipage, LSI card upgrade is not supported. If the name changes between kernel versions, remember to include information in the detailed information section.

It’s quite new and thus, may be missing in some not-up-to-date distributions. Navigation Main page Recent changes Random page. BIOS upgrade from a Linux system.

This was not the case on at least one Dell PowerEdge machine. LinuxRaidForAdmins last modified Hi Zillur, I have put the significant messages in Bold in your comment. Some find it easier to use graphical tools.

If not, please report a bug with workaround llnux known. Write cache is used when we have a lot of data to write and it is faster to write data sequentially to disk instead of writing small chunks.

Status RAID status easily available?