On Wed, 2021-02-10 at 19:09 +0100, Benjamin Block wrote: > > Yeah, just for reference, I saw this happening in practice when > something with the LU mapping changed on IBM storage - IIRC I saw it > with capacity changes. You end up in this code in the kernel: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/scsi_error.c?id=92bf22614b21a2706f4993b278017e437f7785b3#n416 > > And from there you ought to get an uevent for the sdev. > > The WWID in sysfs might still be wrong though AFAIK. The kernel seems > to > ignore the UA after it delivered the uevent. Right. We could trigger a device rescan if such an event was received. Could be done from udev rules, or even from multipathd itself. Thanks, Martin -- Dr. Martin Wilck <mwilck@xxxxxxxx>, Tel. +49 (0)911 74053 2107 SUSE Software Solutions Germany GmbH HRB 36809, AG Nürnberg GF: Felix Imendörffer -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel