On 16/04/2008, Thomas Fess <dfezz1@xxxxxxxxx> wrote: > > Can not see LUNs attached to FA's above 255 on EMC DMX > using RHEL5.1 and emulex HBA'a > > > 1. Redhat 5.1 > > 2. Emulex HBA's > > 3. SAN = EMC DMX = FA's are > 255 > > 4. Can not set the Emulex cards or Linux to support > about 255 > > 5. Trying offset on the SAN but, it's not working. > > 6. We can see the 3 of the 4 SAN disks the FRA is on a > lun greater then 255 and can't be seen from the > server. > > 7. Have installed HBAnywhere and tried to reset the > lun_id # > ./hbacmd GetDriverParams 10:00:00:00:c9:6d:xx:xx G P > max-luns fff > > 8. Also have modified the kernel (ram disk) > mkinitrd -v initrd-2.6.18-53.el5.new-4-16-08.img > 2.6.18-53.el5 > > 9. Can't get the server to support more then 255 lun > IDs > > 10. modprobe.conf > [root@foobar /boot]# cat /etc/modprobe.conf > alias eth0 bnx2 > alias eth1 bnx2 > alias eth2 igb > alias eth3 igb > alias eth4 igb > alias eth5 igb > alias scsi_hostadapter megaraid_sas > alias scsi_hostadapter1 ata_piix > alias scsi_hostadapter2 lpfc > alias scsi_hostadapter3 usb-storage > ## Tried this first## options scsi_mod > max_scsi_luns=550 scsi_allow_ghost_devices=1 > > ###BEGINPP > include /etc/modprobe.conf.pp > ###ENDPP > > # Emulex lpfc options > ##tried this second### options lpfc lpfc_max_luns=4095 > > > ######################################################################## > > [root@foobar boot]# inq > Inquiry utility, Version V7.3-872 (Rev 0.0) (SIL > Version V6.5.0.0 (Edit Level 872) > Copyright (C) by EMC Corporation, all rights reserved. > For help type inq -h. > > ............... > > ------------------------------------------------------------------------- > DEVICE :VEND :PROD :REV :SER NUM :CAP(kb) > ------------------------------------------------------------------------- > /dev/sda ELL :PERC 6/i :1.11 : : 71041024 > /dev/sdb :EMC :SYMMETRIX :5771 :8700040000 : 5760 > /dev/sdc :EMC :SYMMETRIX :5771 :8701791008 : 70709760 > /dev/sdd :EMC :SYMMETRIX :5771 :870175a008 : 70709760 > /dev/sde :EMC :SYMMETRIX :5771 :87016bf008 : 70709760 > /dev/sdf :EMC :SYMMETRIX :5771 :8700040000 : 5760 > /dev/sdg :EMC :SYMMETRIX :5771 :8700040000 : 5760 > /dev/sdh :EMC :SYMMETRIX :5771 :8701791008 : 70709760 > /dev/sdi :EMC :SYMMETRIX :5771 :870175a008 : 70709760 > /dev/sdj :EMC :SYMMETRIX :5771 :87016bf008 : 70709760 > /dev/sdk :EMC :SYMMETRIX :5771 :8700040000 : 5760 > /dev/sdl ell :Virtual Floppy :123 : : FAILED > /dev/emcpowera :EMC :SYMMETRIX :5771 :8701791008 : > 70709760 > /dev/emcpowerb :EMC :SYMMETRIX :5771 :870175a008 : > 70709760 > /dev/emcpowerc :EMC :SYMMETRIX :5771 :87016bf008 : > 70709760 > > > I should see another disk: > > e.g. > /dev/emcpowerd :EMC :SYMMETRIX :5771 :87016bxxxx : > 70709760 > > notice the 6mb connections > This is killing me!!! > > Thanks in advance, I hope someone even can understand > what I am trying to explain. > Computers are hard!!! > -dfezz1 As far as I recall, 256 is a linux limit. Any possibility of putting the LUNs in larger HW arrays on your SAN so as to limit the number of LUNs you're importing? Kind regards, Herta -- "Life on Earth may be expensive, but it comes with a free ride around the Sun." -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
