On Tue, Feb 21, 2006 at 03:38:05PM -0600, Benjamin Marzinski wrote: > When you delete a multipath map, orphaning the path clears out some members > of the path structure. Adding that map again doesn't bring them back. > Specifically, you loose your checker file descriptor. > > The attached patch restores most of the members. It doesn't reset getuid. > I don't see why that gets cleared in the first place? Actually, I don't > see why most of these get cleared, but I didn't look too hard, so I might > just be missing the reason. > > Note: I cannot get multipathd add the map if it doesn't already exist in > device mapper, which I assume that I'm supposed to be able to do. To see > this bug, I need to re-add the map with multipath before re-adding it in > multipathd. I'll look into that right after I clean up my next patch. > > -Ben oops. Forgot to attach the patch. Here it is.
diff -urpN mp-devel-clean/libmultipath/structs_vec.c mp-devel-patched/libmultipath/structs_vec.c --- mp-devel-clean/libmultipath/structs_vec.c 2006-02-17 16:07:19.000000000 -0600 +++ mp-devel-patched/libmultipath/structs_vec.c 2006-02-21 16:05:59.000000000 -0600 @@ -67,6 +67,7 @@ adopt_paths (vector pathvec, struct mult if (!find_path_by_dev(mpp->paths, pp->dev) && store_path(mpp->paths, pp)) return 1; + pathinfo(pp, conf->hwtable, DI_PRIO | DI_CHECKER); } } return 0;
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