> > > Once the command errors out you should be able to manually remove the > failed paths. The "multipath -F" command should remove any unused > multipath maps, however, unused means that the VG needs to be > deactivated first. Once you set "fail_if_no_path" you should be able to > deactivate the VG even though all paths are down.
Tom, How does one de-activate a VG that is "not found" With all paths being down, none of the commands see this VG as available. I no longer have these luns available for remapping. However, on my test instance, I was able to re-map the LUN into service, "vgchange -a n" on the vg, and vgremove the vg. This allowed me to do multipath -f on the maps in question, multipath -ll shows they are gone, however, for each of the now-missing LUNs, I recieve this: /dev/sdf: read failed after 0 of 4096 at 0: Input/output error my lvm.conf did not blacklist these devices, and they still exist in the /dev/ heirarchy. -Eugene
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