rescan-scsi bus doesn't necessarily work with the fiber channel cards... I have to send an equivalent scsi request command directly to the fc driver (in our case, we are using Emulex lpfc). An example script we use:
#!/bin/bash
#
# rescan Emulex Fiber Channel card for new SCSI devices
#
ACTION="" $0`
powermt display dev=all | grep emcpower > /tmp/$ACTION.old
echo 0 > /sys/class/fc_host/host0/issue_lip
echo "- - -" > /sys/class/scsi_host/host0/scan
echo 1 > /sys/class/fc_host/host1/issue_lip
echo "- - -" > /sys/class/scsi_host/host1/scan
powermt config
powermt display dev=all | grep emcpower > /tmp/$ACTION.new
echo "Differences before & after"
echo "=========================="
diff /tmp/$ACTION.old /tmp/$ACTION.new
On Tue, 2007-10-02 at 09:26 -0700, Ray Charles wrote:
Well, in my original attempt i did a rescan-scsi_bus, vgscan and lvscan but the new partition didn't show up. I think you're on to something that i also want to try and that's the /etc/lvm/.cache. Any precautions? -tia
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