Thank you for your help. Le 05/01/2015 19:10, John R Pierce a écrit : > works here fine on the 9261, which is an OEM version of the same card > with the connectors in a different orientation... you might check your > LSI firmware revision. My firmware seems to be more up to date. Anyway, I will try to update firmware. I have to check how to do that. # dmesg |grep LSI scsi4 : LSI SAS based MegaRAID driver scsi 4:2:0:0: Direct-Access LSI MR9260-4i 2.13 PQ: 0 ANSI: 5 # /opt/MegaRAID/MegaCli/MegaCli64 -ShowSummary -aAll System Operating System: Linux version 2.6.32-431.29.2.el6.x86_64 Driver Version: 06.700.06.00-rh1 CLI Version: 8.07.14 Hardware Controller ProductName : LSI MegaRAID SAS 9260-4i(Bus 0, Dev 0) SAS Address : 500605b008a30fc0 FW Package Version: 12.14.0-0167 Status : Optimal BBU BBU Type : iBBU Status : Healthy Enclosure Product Id : SGPIO Type : SGPIO Status : OK . . . -- Philippe BOURDEU d'AGUERRE AIME - Campus de l'INSA http://www.aime-toulouse.fr/ 135 av. de Rangueil Tél +33 561 559 885 31077 TOULOUSE Cedex 4 - FRANCE Fax +33 561 559 870