Caleb, run showvolgrp command on DS8000 with lunmap parameter. You can see those 40ab40cd there. Just add 8 zeroes to the end and you have your WW name. If you still cannot access them it can be zoning on switch, or lun masking on DS8000.
dscli> showvolgrp -lunmap v0 ... Name volgrp1 ID V0 Type SCSI Mask Vols 1100 1101 1102 1103 1104 1105 2011 2013 2021 2023 2031 2033 2081 2100 2101 2110 2112 2114 2120 2122 2124 2130 2132 2134 2180 2182 2190 ==============LUN Mapping=============== vol lun ============= 1100 40114000 1101 40114001 1102 40114002 1103 40114003 1104 40114004 1105 40114005 2011 40204011 2013 40204013 2021 40204021 2023 40204023 2031 40204031 2033 40204033 2081 40204081 2100 40214000 2101 40214001 2110 40214010 2112 40214012 2114 40214014 2120 40214020 2122 40214022 2124 40214024 2130 40214030 2132 40214032 2134 40214034 2180 40214080 2182 40214082 2190 40214090 =================== Marian Gasparovic =================== "The mere thought hadn't even begun to speculate about the merest possibility of crossing my mind." --- On Tue, 12/15/09, Caleb C Ong <[email protected]> wrote: > From: Caleb C Ong <[email protected]> > Subject: LUN numbers for DS8000 > To: [email protected] > Date: Tuesday, December 15, 2009, 6:12 PM > > Hi, > > Is there any way to determine the LUN numbers to be used > for zlinux (redhat > or suse) installation. > I have a z10 with ds8300 disk. Connected thru fcp > thru a san switch. > > storage admin gave me a four digit lun number x1600. > In ESS800, i just > used to add 12 zeros to it. > But that doesn't seem to work with ds8300. > > I found this hint on the "how to use fc attached scsi > devices on linux z > feb 2007' > > There are three things you should be aware of when > configuring the > TotalStorage system: > New mask: For the logical volume number X’abcd’ the > LUN ID will be: > X’40ab40cd00000000’. > > So i tried LUN number 4016400000000000 but i still cannot > add zfcp disk > using the installation gui. > > I also found this redpaper on 'where are the lun number on > a ds8000" . > > How to convert the LUN ID in DS8000 to the FCP LUN ID in > Linux > The FCP LUN ID in Linux is written in hexadecimal and must > be exactly 16 > hexadecimal digits. We use the showvolgrp command to get > every LUN ID in the DS8000 for each volume. All of our > devices used only > the high-order four digits of the 16 hexadecimal digit LUN > address. We just add two zeros before the two-digit LUN ID > in the DS8000, > and then add another 12 zeros behind these four digits. > Therefore, we place 16 hexadecimal digits for our FCP LUN > ID into Linux. > For example, the LUN ID of logical volume 1000 is 02. After > adding two > zeros before it and 12 zeros behind it, it becomes > 0x0002000000000000. We can use these 16 hexadecimal digits > as our Linux FCP > mapping. > > > I don't think i understand this, if you add two zero in > front, then doesn't > that limit the number of lun to just 255 for a ds8300 > ? > > Maybe i am not understanding this correctly. > > Thanks. > > Caleb C. Ong ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
