https://community.hpe.com/t5/operating-system-linux/about-san-server/m-p/4701579#M42446 We have SAN CX300 which attached to the linux server , after re-boot these two servers , I use the below command and found the below result , I have already start Powerpath , navisphere , the qla logic card is also started ( known from server log ) , can advise how can I attach it again ? <BR /><BR />#/sbin/powermt display dev=all<BR />Device(s) not found.<BR /> Tue, 19 Oct 2010 15:55:50 GMT rachealip 2010-10-19T15:55:50Z https://community.hpe.com/t5/operating-system-linux/about-san-server/m-p/4701579#M42446 We have SAN CX300 which attached to the linux server , after re-boot these two servers , I use the below command and found the below result , I have already start Powerpath , navisphere , the qla logic card is also started ( known from server log ) , can advise how can I attach it again ? <BR /><BR />#/sbin/powermt display dev=all<BR />Device(s) not found.<BR /> Tue, 19 Oct 2010 15:55:50 GMT https://community.hpe.com/t5/operating-system-linux/about-san-server/m-p/4701579#M42446 rachealip 2010-10-19T15:55:50Z https://community.hpe.com/t5/operating-system-linux/about-san-server/m-p/4701580#M42447 you are probably better off searching for answers in an EMC forum but here is a place to start.<BR /><BR />1) powermt is an EMC multipath solution, i believe there is a discover/scan option to this command ( read the user guide).. the luns just may need discovered again. if not..<BR />2) switches zones properly ?<BR />3) lun masking correct ?<BR />4) fiber channel cabled properly.<BR /><BR />you will need to either work your way forwards or backwards through this list..<BR /><BR /><BR /><BR /><BR /><BR /> Tue, 19 Oct 2010 16:31:57 GMT https://community.hpe.com/t5/operating-system-linux/about-san-server/m-p/4701580#M42447 Tim Nelson 2010-10-19T16:31:57Z