From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH] nvme: reset retires after path failover
Date: Mon, 2 Oct 2017 18:25:26 +0200 [thread overview]
Message-ID: <20171002162526.GB11497@lst.de> (raw)
In-Reply-To: <mqdtvzh38xd.fsf@linux-x5ow.site>
On Mon, Oct 02, 2017@04:45:34PM +0200, Johannes Thumshirn wrote:
> Gah, please ignore this one. I tested on the wrong device.
>
> But FYI, when triggering a path failure in my RDMA setup (setting one
> switch port down) I get these nice messages:
> [ 1148.124063] nvme nvme0: SEND for CQE 0xffff8817c3720180 failed with
> status transport retry counter exceeded (12)
> [ 1148.180489] nvme nvme0: failed nvme_keep_alive_end_io error=10
> [ 1148.187887] nvme nvme0: Reconnecting in 10 seconds...
> [ 1148.194356] print_req_error: I/O error, dev nvme0n1, sector 1690128
> [ 1148.194361] print_req_error: I/O error, dev nvme0n1, sector 1692168
> [ 1148.194367] print_req_error: I/O error, dev nvme0n1, sector 1694208
> [ 1148.379058] XFS (nvms0n1): writeback error on sector 1628688
>
> the nvme ones are expected, but I don't really like to see writeback
> errors from the FS here. Something's still a bit off.
I think the problem is our host-internal aborts that have the DNR
bit set. My earier patches excluded DNR as a reason not to failover
and we'll either need to get back to that or remove DNR from these
sorts of errors.
next prev parent reply other threads:[~2017-10-02 16:25 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-02 13:55 [PATCH 0/6] nvme: sanitize multipathing Hannes Reinecke
2017-10-02 13:55 ` [PATCH 1/6] nvme: display 'CMIC' controller attribute Hannes Reinecke
2017-10-02 16:15 ` Christoph Hellwig
2017-10-02 13:55 ` [PATCH 2/6] nvme: use 'nvmsXnZ' instead of 'nvm-subXnZ' Hannes Reinecke
2017-10-02 16:16 ` Christoph Hellwig
2017-10-02 16:20 ` Keith Busch
2017-10-11 14:32 ` Guan Junxiong
2017-10-02 13:55 ` [PATCH 3/6] nvme: claim block devices Hannes Reinecke
2017-10-02 16:42 ` Christoph Hellwig
2017-10-03 10:08 ` Hannes Reinecke
2017-10-03 11:55 ` Christoph Hellwig
2017-10-04 5:42 ` Hannes Reinecke
2017-10-04 6:15 ` Christoph Hellwig
2017-10-04 6:33 ` Hannes Reinecke
2017-10-04 7:13 ` Christoph Hellwig
2017-10-04 7:26 ` Hannes Reinecke
2017-10-05 1:08 ` Martin K. Petersen
2017-10-05 6:51 ` Johannes Thumshirn
2017-10-05 14:05 ` Keith Busch
2017-10-05 14:39 ` Hannes Reinecke
2017-10-05 14:47 ` Christoph Hellwig
2017-10-02 13:55 ` [PATCH 4/6] nvme: display 'NMIC' namespace attribute Hannes Reinecke
2017-10-02 16:16 ` Christoph Hellwig
2017-10-03 10:00 ` Hannes Reinecke
2017-10-03 11:49 ` Christoph Hellwig
2017-10-03 16:01 ` Hannes Reinecke
2017-10-02 13:55 ` [PATCH 5/6] nvme: Export subsystems to /sys/class/nvme-subsys Hannes Reinecke
2017-10-02 16:18 ` Christoph Hellwig
2017-10-02 16:53 ` Keith Busch
2017-10-02 16:56 ` Christoph Hellwig
2017-10-02 17:15 ` Keith Busch
2017-10-02 13:55 ` [PATCH 6/6] nvme: ignore retries for multipath devices Hannes Reinecke
2017-10-02 16:22 ` Christoph Hellwig
2017-10-03 10:02 ` Hannes Reinecke
2017-10-03 11:53 ` Christoph Hellwig
2017-10-02 14:35 ` [PATCH] nvme: reset retires after path failover Johannes Thumshirn
2017-10-02 14:43 ` Keith Busch
2017-10-02 15:08 ` Hannes Reinecke
2017-10-02 14:45 ` Johannes Thumshirn
2017-10-02 16:25 ` Christoph Hellwig [this message]
2017-10-02 14:46 ` Johannes Thumshirn
2017-10-02 16:19 ` Christoph Hellwig
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