I have created and initialized a RAID 1 array containing both disks succesfully. Please note you need a recent version of smartmontools. How should we search the sas adress. It will log a ligne to syslog when something failed and will send you a mail. So for resolve this problem, we contact SuperMicro support. You can write your own script around megasasctl to check your adapter status health periodically.
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Linux kernel drivers 3. It seems to work on redhwt card but fails with the new one. It is available in the packages repository too. But before flash, I had to be sure – JPA2 is switched to “unplugged” state. Supermicro told me to use drivers from here ftp: The disk drive identified as!
LSI MegaRAID SAS
Totally fed up with all these issues I decided to put in a decent RAID controller with proper linux support, a store nearby had an Adaptec on stock. We’re going to enable an enhanced version of readahead: With this option, readahead will only be enabled if the controller receive several access to sequencial sectors.
When the utility finishes creating the volume, the main screen reappears. Support at Supermicro for more information. Download in other formats: This step is very important.
After that, you’ll not be able to set-up hardware raid, and u’ll be able to see SAS disks from linux. It loads the driver image file ok, but then says that no devices of that type could be found. That is, you cannot mirror a disk with itself. You can write your own script around megacli to check your adapter status health periodically. Installed it, hooked up the cables to the backplane and everything is working fine now.
Configuring LSI RAID for Any Operating System from the BIOS
We lsu see that Physical Disk: The packages comes with a python wrapper around megasasctl and an initscript that periodic run this wrapper to check status.
Hope someone else can benefit. I have created and initialized a RAID 1 array containing both disks succesfully.
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 to disk. Support of SuperMicro can help you with determine which FirmWare you should use: Ubuntu will see the disks and install on them, but the BIOS will not allow the system to boot from the LSI e controller in my case.
Tecal RAID Controller Daughter Card User Guide(V100R001_03)
Please note you need a recent version of smartmontools. Second step is flash BIOS and firmware, etc. In total I tried about a dozen different ones that could be related to my controller to no avail.
If not, it won’t be used to avoid filling cache with randon useless data in case of randomly accessed sector. It’s quite new and thus, may be missing in some not-up-to-date distributions.
I don’t know if I’m allowed to redistribute the firmware I got from Supermicro so if you have this problem yourself you need to contact them directly and ask for the firmware. Erdhat cards can be flashed using firmware-tools.
[ubuntu] SAS disks on LSI e not detected with [Archive] – Ubuntu Forums
In both cases the installer cannot detect any disks in my new server. Management and reporting tools 3.
Write cache should be enabled ONLY if you have a battery pack on your controller. How should we search the sas adress.