On 3/31/21 1:45 PM, Martin Wilck wrote: > On Wed, 2021-03-31 at 16:18 +0530, Muneendra Kumar M wrote: >> >>> Talking about FPIN, is it planned to notify user space about such >>> fabric >> events, and if yes, how? >> >> [Muneendra]Yes. FC drivers, when receiving FC FPIN ELS's are calling >> a >> scsi transport routine with the FPIN payload. The transport >> is pushing this as an "event" via netlink. An app bound to the local >> address used by the scsi transport can receive the event and parse >> it. >> >> Benjamin has added a marginal_path group(multipath marginal >> pathgroups) in >> the dm-multipath. >> https://patchwork.kernel.org/project/dm-devel/cover/1564763622-31752-1-git >> -send-email-bmarzins@xxxxxxxxxx/ >> >> One of the intention of the Benjamin's patch (support for maginal >> path) is >> to support for the FPIN events we receive from fabric. >> On receiving the fpin-li our intention was to place all the paths >> that >> are affected into the marginal path group. >> > > I'm aware of Ben's work, but I hadn't realized it had anything to do > with FPIN. As of today, multipathd doesn't listen on the > NETLINK_SCSITRANSPORT socket. Does any user space tool do this? > Google didn't show me anything. > I did, once, but that was years ago. Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), GF: Felix Imendörffer -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
