https://community.hpe.com/t5/operating-system-linux/oel-4-7-cannot-detect-all-luns-from-xp24k/m-p/4610460#M40347 Evn.:<BR /> XP24k+ san switch MDS +C7000+ BL680c+ OEL4.7+ Emulex LPe1105<BR /> without any multipath software install yet.<BR /><BR />Isuue:<BR /> Mapping 8 luns(256GB each) to the OEL OS. but just find only one lun with 4 paths(/dev/sda,/dev/sdb,/dev/sdc,/dev/sdd)<BR /><BR />++++the output for XP24k lun mapping++++++++<BR />System B10_bladeBay1<BR />WWN 1 10000000c99a6f02<BR />WWN Alias 1 <BR />WWN 2 10000000c99a6f03<BR />WWN Alias 2 <BR />Mapped Ports 1A / 2A<BR /> 00:01:00 LUN0100 OPEN-V (256 GB)<BR /> 00:01:01 LUN0101 OPEN-V (256 GB)<BR /> 00:01:02 LUN0102 OPEN-V (256 GB)<BR /> 00:01:03 LUN0103 OPEN-V (256 GB)<BR /> 00:01:04 LUN0104 OPEN-V (256 GB)<BR /> 00:01:05 LUN0105 OPEN-V (256 GB)<BR /> 00:01:06 LUN0106 OPEN-V (256 GB)<BR /> 00:01:07 LUN0107 OPEN-V (256 GB)<BR />the following pdf says "XP luns present to linux must start with LUN 0"<BR /><A href="http://h50146.www5.hp.com/products/software/oe/linux/mainstream/support/doc/option/fibre/pdfs/c01831335.pdf" target="_blank">http://h50146.www5.hp.com/products/software/oe/linux/mainstream/support/doc/option/fibre/pdfs/c01831335.pdf</A><BR /><BR />Is that true? the LUN ID can only be 0000/0100/0200/.....??<BR />How can I use the OS and DB with different XP luns to enhance the IO performance?<BR /><BR />many thanks Wed, 31 Mar 2010 13:00:03 GMT Hui Liu 2010-03-31T13:00:03Z https://community.hpe.com/t5/operating-system-linux/oel-4-7-cannot-detect-all-luns-from-xp24k/m-p/4610460#M40347 Evn.:<BR /> XP24k+ san switch MDS +C7000+ BL680c+ OEL4.7+ Emulex LPe1105<BR /> without any multipath software install yet.<BR /><BR />Isuue:<BR /> Mapping 8 luns(256GB each) to the OEL OS. but just find only one lun with 4 paths(/dev/sda,/dev/sdb,/dev/sdc,/dev/sdd)<BR /><BR />++++the output for XP24k lun mapping++++++++<BR />System B10_bladeBay1<BR />WWN 1 10000000c99a6f02<BR />WWN Alias 1 <BR />WWN 2 10000000c99a6f03<BR />WWN Alias 2 <BR />Mapped Ports 1A / 2A<BR /> 00:01:00 LUN0100 OPEN-V (256 GB)<BR /> 00:01:01 LUN0101 OPEN-V (256 GB)<BR /> 00:01:02 LUN0102 OPEN-V (256 GB)<BR /> 00:01:03 LUN0103 OPEN-V (256 GB)<BR /> 00:01:04 LUN0104 OPEN-V (256 GB)<BR /> 00:01:05 LUN0105 OPEN-V (256 GB)<BR /> 00:01:06 LUN0106 OPEN-V (256 GB)<BR /> 00:01:07 LUN0107 OPEN-V (256 GB)<BR />the following pdf says "XP luns present to linux must start with LUN 0"<BR /><A href="http://h50146.www5.hp.com/products/software/oe/linux/mainstream/support/doc/option/fibre/pdfs/c01831335.pdf" target="_blank">http://h50146.www5.hp.com/products/software/oe/linux/mainstream/support/doc/option/fibre/pdfs/c01831335.pdf</A><BR /><BR />Is that true? the LUN ID can only be 0000/0100/0200/.....??<BR />How can I use the OS and DB with different XP luns to enhance the IO performance?<BR /><BR />many thanks Wed, 31 Mar 2010 13:00:03 GMT https://community.hpe.com/t5/operating-system-linux/oel-4-7-cannot-detect-all-luns-from-xp24k/m-p/4610460#M40347 Hui Liu 2010-03-31T13:00:03Z