There are three options for setting the write cache: However, I already did this for you. You can write your own script around megacli to check your adapter status health periodically. The alternative “Cached” causes an attempt to first be made to find the data in the controller cache and to satisfy the read request in such a way that the hard disk is accessed beforehand. All the data here is written to the controller cache so as to be available for subsequent read requests.

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Any power failures can be bridged by means of an optional BBU, thus guaranteeing the integrity of the data in the controller cache. Possibly should have separate sections for 3ware and Areca, as they are LSI based and 3ware owned but they are not inter-operable. Some linux tools are available on a CD included with the controller.

If not, please report a bug with workaround if known. Details about individual drivers 3w-xxxx Hardware using this driver: Your name or email address: IBM has a ‘Advanced feature key’ to enable the missing functions, these need to be purchased separately.


The first thing you’ll have to do is to list IDs of all your physical disks:. It is available in the packages repository too.

If megasasctl doesn’t work for you, you will have to use the proprietary cli utility from LSI: Notably this driver uses the kernel scsi subsystem rather than implementing its own block device. ZdarkplayerStux and 3 others like this.

LSI RAID Controller and HBA Complete Listing Plus OEM Models

Write cache should be enabled ONLY if you have a battery pack on your controller. Share This Page Tweet. We can see that Physical Disk: It seems ADRA is deprecated, current megacli binary doesn’t offer this option anymore.

Then you can expect such monitoring facilities centreon on-top centreon-engine in this picture:. The first one is already setup but we have lai plugged a disk bays on the second card.

StuxTheBloke and Kai Amundsen like this. These settings do not affect the read-ahead policy. Here is what to do:. They have, amongst others, an ‘archttp’ module which enables a web interface! Minimum status information is OK or degraded i.

A complete documentation is attached as PDF here: Status RAID status easily available?



CLI tool statically linked i and amd64 binaries also can be downloaded from ftp site. Sep 25, Messages: Hosting provided by Metropolitan Area Network Darmstadt. Management and reporting tools 3.

If you find mistakes reply back. The read policies indicate whether or not the controller should read sequential sectors of the logical drive when seeking data. There is a precompiled command line tool ipssend available from the vendor CD and IBM’s dumplog archive. The packages comes with a python wrapper around megacli and an initscript that periodic run this wrapper to check status.

Yes hpsa Yes Yes Yes?

LSI Logic / Symbios Logic MegaRAID SAS PERC 6/i Integrated RAID Controller RAID | Ubuntu

Stux and Kristian like this. Some tools and drivers are available from the vendor. Disk cache mode The possible values here are “enabled” and “disabled”.