Did you try simply taking the fcp devices offline and then online again?
That should be enough... (although that shouldn`t be necessary in the first
place).

Offer Baruch
On Jan 23, 2016 5:48 PM, "Jorge Fábregas" <jorge.fabre...@gmail.com> wrote:

> Hi,
>
> We have an issue with new deployed systems from our SLES 11 SP4 template
> (They all have "zfcp.allow_lun_scan=1" on their zipl.conf file).
> Whenever the z/VM admin deploys a new image, he would assign two FCP
> devices.  After that we take control of the system and:
>
> 1) verify FCP devices are present
> 2) enable them via "zfcp_host_configure 0.0.fxxx 1"
> 3) take note of their WWPN and request LUNs from our storage team
>
> The problem is that after they assign LUNs we'll do a
> "rescan-scsi-bus.sh" and nothings shows up.
> "lsluns" & "multipath -ll" doesn't show anything as well.  It is not
> until a reboot of the system that we start seeing these LUNs.
>
> The strange thing is that after that initial reboot, whenever the
> storage team assigns new extra LUNs, we'll see them right away with
> rescan-scsi-bus.sh.
>
> I know zfcp_host_configure places the necessary FCP activation rules on
> the udev directory but I thought it would load all necessary modules as
> well (so there was no need for a restart).
>
> Does anyone knows what are we missing?  How can we avoid that initial
> reboot after activating HBAs?
>
> Thanks,
> Jorge
>
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