Can SATA drives do multipath? However LSI provide megacli , a proprietary management command line utility which is rather hard to use. Board index All times are UTC. You can write your own script around megacli to check your adapter status health periodically. This article is over a year old now so data provided could be well out of date.

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I can say that mps 4 as a kernel module is working fine for me so far – running 8.

Data analysis can be done efficiently with the help of this course and clinnovo makes it easy to operate SAS while you are trying your hands on the same. It’s the standard nagios expected return code.

Thanks for the excellent writeup! I suggest you replace it with one of the controllers I recommend in my post. You should try a PCIe 2. I installed the driver rpm linuc but when i do fdisk -l, i still can’t see the drives attached to the controller.

In most case, your controller ID will be 0. Assuming your new unassigned drive is identified as!


Poor LSI SAS1068E Write Performance with Linux

I found a semi-opensource driver but it only compiles against kernels 2. Ideally by serial number on disk and not just physical cable connected to. Despite it seems that no real lsii development exists for this tool, it works fine and is reliable. The packages comes with a python wrapper around megasasctl and an initscript that periodic run this wrapper to check status.

I was not able to see if these worked; too much trouble trying to deal with the driver files. July 2nd, But it didn’t help. Well, you really have to see it. Several users have confirmed that the OS sees the card but not the attached drives.


I think I need a PCIe x4 controller even if motherbord have xas 16x slot? I was using Ubuntu Server then switched to Debian Squeeze. Sign up using Email and Password.

For reference, the maximum practical throughputs per port I assumed have been computed with these formulas:. BB code is On.

Little searching and found the Rocket – It has 10 mini sas ports to support 40 drives. It was very helpful in finally finding the right solution. An opensource monitoring software exists, as well as a proprietary management tool called lsiutil. The answer is pending and I will report what they say.


From 32 to 2 ports: Ideal SATA/SAS Controllers for ZFS & Linux MD RAID

Intel Lei Unknown device Flags: I have just place an order on a new controller for my home NAS. Thank you for this article. How should I plug my disks?

Click Here to receive this Complete Guide absolutely free. For those that like to live dangerously, dealextreme sells dodgy second tier QA castoff LSI s and s for pretty cheap. It will log a ligne to syslog when something saa and will send you a mail.

You comment on the “UIO” layout of this card.

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