Re: [dm-devel] [PATCH v2 07/12] multipathd: ignore failed wwid recheck

2019-03-19 Thread Benjamin Marzinski
On Fri, Mar 15, 2019 at 12:48:49PM +0100, Martin Wilck wrote: > On Fri, 2019-03-08 at 17:12 -0600, Benjamin Marzinski wrote: > > If disable_changed_wwids is set, when multipathd gets a change event > > on > > a path, it verifies that the wwid hasn't changed in > > uev_update_path(). > > If get_uid(

Re: [dm-devel] [PATCH v2 07/12] multipathd: ignore failed wwid recheck

2019-03-15 Thread Martin Wilck
On Fri, 2019-03-08 at 17:12 -0600, Benjamin Marzinski wrote: > If disable_changed_wwids is set, when multipathd gets a change event > on > a path, it verifies that the wwid hasn't changed in > uev_update_path(). > If get_uid() failed, uev_update_path treated this as a wwid change to > 0. > This cou

[dm-devel] [PATCH v2 07/12] multipathd: ignore failed wwid recheck

2019-03-08 Thread Benjamin Marzinski
If disable_changed_wwids is set, when multipathd gets a change event on a path, it verifies that the wwid hasn't changed in uev_update_path(). If get_uid() failed, uev_update_path treated this as a wwid change to 0. This could cause paths to suddenly be dropped due to an issue with getting the wwid