Re: lpfc target renumbering problem

["Roger Håkansson" <hson@ludd.luth.se>]

Roger Håkansson wrote:
> 
> Now my question:
> Is there anything I can do to "fix" this, or do I have to "accept" that
> this hardware/software-combination can't do what I want?
> 

I've found a "solution" which seems to work, but I'm not sure how to
implement it.
If I, before device-mapper-multipath determines the devices to be
"dead", do "echo 1 > /sys/class/scsi_device/1:0:0:0/device/rescan", both
sdb (which 1:0:0:0 was mapped to at the time of my test) and(!, even
though its on another HBA) sdc (2:0:0:0) doesn't get marked as dead.
But how do this in a more automatic fashion?
I could set up a script which polls /var/log/messages, or write a
program which opens a pipe and let syslogd write to that pipe, and parse
the log in order to watch for SCSI-errors, but none of this seems like
the right way to do it.
Anyone got a better solution?

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