I’d also like to see some real world numbers about SAS expanders. I’ve build out plenty of desktops, some workstations and servers so I’m comfortable with the hardware end of the build. A daemon detecting status changes and reporting to syslog as SNMP traps is packaged as cpqarrayd. I found a semi-opensource driver but it only compiles against kernels 2. I have never tried port multipliers in combination with SAS cards. Please note you need a recent version of smartmontools.
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Management and reporting tools 3. Now since sase is quite old I had the understanding that it was supported. The driver is in the main kernel as of 2.
LinuxRaidForAdmins – Debian Wiki
SMART only makes it worse. I thought my SIL would, but even though it seems to detect, in the logs, the first drive, it will be unable to use it. I guess next time i’ll buy 3Ware or something to avoid all this misery. Beware of data loss! The array assembles without problems. Hosting sponsored by http: I thought a controller should leave freshly attached disks alone and just presents them to the OS until explicitly told do do something.
You can write your own script around megacli to check your adapter status health periodically.
I also have a Debian 6 ZoL 0. I do this myself in some machines. Thank-you this is very useful.
LSI Fusion MPT SAS
I need more drives. Debian kernel freezes rejected IO to offline devices in case array becomes downgraded ie one disk failed.
Sign up or log in Sign up using Google. You can check the status and other things using the sas2ircu utiliity. Great article, I’ve been looking for a summary like this for years, I still want to know if they support 3TB though.
Try replacing the Oinux with a Marvell 88SE For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. Moreless price the i but it has only 16 ports Have you looked at the Adaptec Series 7 cards at all?
And it does not support drives larger than 2TB. I wonder linus the extra stuff can be get to use it in extra devices in the future USB for example.
LSI MegaRAID SAS
Installing this beast and several megs of rpms later: This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant.
BB code is On. I wish I’d seen it a week ago before I started slogging through all of these issues on my own. Any assistance would be greatly appreciated.
Poor LSI SASE Write Performance with Linux |
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 array, can’t remember for sure. It will fall back to 1. Open Source Consulting Domain Registration. Thanks a lot for sharing this nice and useful information. To finalize my experience report: Email Required, but never shown.