From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Brian King <brking@linux.vnet.ibm.com>
Cc: tyreld@linux.vnet.ibm.com, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] ibmvfc: Avoid loss of all paths during SVC node reboot
Date: Sat, 29 Feb 2020 00:18:45 -0500 [thread overview]
Message-ID: <yq1a75255u2.fsf@oracle.com> (raw)
In-Reply-To: <1582767943-16611-1-git-send-email-brking@linux.vnet.ibm.com> (Brian King's message of "Wed, 26 Feb 2020 19:45:43 -0600")
Brian,
> When an SVC node goes down as part of a node reboot, its WWPNs are
> moved to the remaining node. When the node is back online, its WWPNs
> are moved back. The result is that the WWPN moves from one NPort_ID to
> another, then back again. The ibmvfc driver was forcing the old port
> to be removed, but not sending an implicit logout. When the WWPN
> showed up at the new location, the PLOGI failed as there was already a
> login established for the old scsi id. The patch below fixes this by
> ensuring we always send an implicit logout for any scsi id associated
> with an rport prior to calling fc_remote_port_delete.
Applied to 5.7/scsi-queue. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2020-02-29 5:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 1:45 [PATCH] ibmvfc: Avoid loss of all paths during SVC node reboot Brian King
2020-02-29 5:18 ` Martin K. Petersen [this message]
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