Latest version seems to be provided as afaapps Views Page Discussion View source History. Proceed at your own risk, I recommend verifying that no data will be impacted by this task. If the name changes between kernel versions, remember to include information in the detailed information section. BIOS upgrade from a Linux system. 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.

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Device name unknown PCI: Did you noticed any sign of unstableness after doing such switch? A complete documentation is attached as PDF here: Linux kernel drivers 3. This site uses cookies. The read policies indicate whether or not the controller should read sequential sectors of the logical drive when seeking data.

Switching LSI SAS 2208 and similar chipsets to JBOD mode

LSI recommends setting hw. This utility along with other crap can be downloaded here: My opinions are my own and may not match those of my employer, business partners, friends or family.

I will warn that doing lei steps with any data in place will absolutely lead to data destruction. It is available in the packages repository too.


Ubuntu Manpage: mrsas — LSI MegaRAID 6Gb/s and 12Gb/s SAS+SATA RAID controller driver

CLI tool statically linked i and amd64 binaries also can be downloaded from ftp site. Until arrays are healthy again a reminder will be sent each 2 hours. Notify me of new comments via email. Retrieved from ” https: Read cache is used when the system has asked for some data and the raid card keeps the data in cache in case the system asks for the same data again.

If not, please report a bug with workaround if known. You can check the status and other things using the sas2ircu utiliity. Enclosure – The physical chassis the physical drives attached to, represented by id, such asetc.

Linux and Hardware RAID: an administrator’s summary

TODO The driver does not support big-endian architectures at this time. For those customers lzi are using a MR-Fusion controller for the first time, LSI recommends using the mrsas driver and setting hw. Architect for Intel where I focus on the convergence of storage, networking, and compute for cloud scale. Not aware of any method of detecting the status for this RAID.

I ended up working around this by doing the following steps:. If you are just looking for a higher performance, greater queue depth initiator to access your disks vs using the onboard SATA controller then the JBOD mode is a perfect replacement without additional complexity.


Switching LSI SAS and similar chipsets to JBOD mode – Effndc’s Blog

Although multiple switching is possible, it is not recommended. The script can be called with –nagios parameter. If the name changes between kernel versions, remember to include information in the detailed information section.

Navigation Main page Recent changes Random page. Email required Address never made public. I had some problems with Adaptec SA. I have been doing llsi various hyper converged storage platforms that can coexist with ESX, along with some bare metal software storage platforms.

Assuming your new unassigned drive is identified as! This command will create a single disk RAID0 logical volume for every attached disk on all controllers. Lets look at each cache policy LSI raid card use. There are Debian packages of both tools available from http: Contribute to the discussion Cancel reply Enter your comment here