Re: [dm-devel] [PATCH v3 13/17] multipathd: handle changed wwids by removal and addition

2019-04-01 Thread Martin Wilck
On Sat, 2019-03-30 at 01:06 -0500, Benjamin Marzinski wrote: > If a path's WWID changes, it's not necessarily failed. But it > certainly > has to be removed from an existing map, otherwise data corruption is > imminent. Instead of keeping the path in the map, failing it, and > remembering the "chan

[dm-devel] [PATCH v3 13/17] multipathd: handle changed wwids by removal and addition

2019-03-29 Thread Benjamin Marzinski
If a path's WWID changes, it's not necessarily failed. But it certainly has to be removed from an existing map, otherwise data corruption is imminent. Instead of keeping the path in the map, failing it, and remembering the "changed WWID" state, this patch simply removes and re-adds the path. This