With this option, readahead will only be enabled if the controller receive several access to sequencial sectors. The packages comes with a python wrapper around megacli and an initscript that periodic run this wrapper to check status. Excellent article, thank you very much!!! Fireball3 has picked it up and is maintaining it now, and also deserves much credit and appreciation. Also, everything works fine on Win7, so the hardware is ok. If you need to reset your password, click here. Intel HBAs based on this chip:

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Monitoring hardware RAID: LSI SAS controller, OMSA

I always had the card already in when adding the OS. The Sil is not a port multiplier.

A proprietary monitoring tool is available but it nearly offers no management features. The RPM can be converted to.


You can still use them, you merely need to control drive spin down some other way. Pinux will not forcefully write metadata and corrupt your existing data. It means it has detected some RAID informations on it, and thus, considers it as a disk being part of an array that may be imported into current controller configuration.

Thank you – a very interesting write-up. Its popularity is spreading A daemon detecting status changes and reporting to syslog as SNMP traps is packaged lsiss2008 cpqarrayd. This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant. Step 2 save config did not work D I’d love to share some of my findings with you Ideally, I’m actually looking for something to sandwich in as many 3.


Note that I tried this in the stock fw of v1. Thanks for this, so many cards based on the LSI chip, could you show more detail differences of these cards besides the brands? It seems oinux work very well.

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

I had a mix of drives in it so only 4 of them were in the same array and the other 4 may have had a couple in the same linud, can’t remember for sure. Despite being AHCI-compliant, this series of chips seems unsupported by Solaris according to reader comments, see below.

This will not offer any drive to be bootable to the linjx bios, posts must quicker and lets unRAID have sole control over the drives, which is what we want. Have you looked at the Adaptec Series 7 cards at all?


I’ve build out plenty of desktops, some workstations and servers so I’m comfortable with the hardware end of the build. Thanks for keeping this list up to date!


I use gpt labels and primary partitions spanning the entire disk created with lsisas208. I’m running the current stable kernel in Debian Squeeze so I guess I’ll have to look into patching or updating the kernel.

All 6 on the integrated Intel chipset? I have been exchanging emails with Highpoint about the very poor results from the RocketRaid Koutech HBA based on this chip: After a bug was fixed in the driver back in or so they’ve been fantastic lssas2008. But having more options than 1 controller is always welcome. Though is is an old version indeed. Lsisas208 have just place an order on a new controller for my home NAS.

This saved me a few hundred Euros. Please note, however, that the cannot do RAID 5.

The packages comes with a python wrapper around megasasctl and an initscript that periodic run this wrapper to check status.