The lsmod command on the problem node (node1) does not return anything. Is there a problem with the fibre/HBA modules? Can we load them manually? node1# lsmod | grep -i lpfc The lsmod command on another node (node2) works fine. node2# lsmod | grep lpfc lpfc 352653 38 scsi_transport_fc 73801 1 lpfc scsi_mod 196569 11 emcp,scsi_dh,sr_mod,sg,lpfc,scsi_transport_fc,libata,megaraid_sas,sd_mod On Sun, Feb 26, 2012 at 5:07 PM, Barry Brimer <lists@xxxxxxxxxx> wrote: > One of our redhat server that was earlier zoned to EMC storage is not able >> to see any LUNs/Disks all of a sudden. >> >> We are not seeing any entries in /sys/class/fc_host. >> >> # ls -ld /sys/class/fc_host >> ls: /sys/class/fc_host: No such file or directory >> >> >> # more /etc/redhat-release >> Red Hat Enterprise Linux Server release 5.2 (Tikanga) >> >> # uname -r >> 2.6.18-128.4.1.el5 >> > > RHEL 5.2 is quite dated, you might consider moving to RHEL 5.7. RHEL 5.8 > was just released. > > > # lspci | grep -i fibre >> 04:00.0 Fibre Channel: Emulex Corporation Zephyr-X LightPulse Fibre >> Channel >> Host Adapter (rev 02) >> 04:00.1 Fibre Channel: Emulex Corporation Zephyr-X LightPulse Fibre >> Channel >> Host Adapter (rev 02) >> 05:00.0 Fibre Channel: Emulex Corporation Zephyr-X LightPulse Fibre >> Channel >> Host Adapter (rev 02) >> 05:00.1 Fibre Channel: Emulex Corporation Zephyr-X LightPulse Fibre >> Channel >> Host Adapter (rev 02) >> >> Please suggest or point us in the right direction. >> > > Are you loading lpfc? > > What is the output of "lsmod | grep lpfc" ?? > > Barry > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@**redhat.com<redhat-list-request@xxxxxxxxxx> > ?subject=unsubscribe > https://www.redhat.com/**mailman/listinfo/redhat-list<https://www.redhat.com/mailman/listinfo/redhat-list> > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
