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[188.78.171.125]) by smtp.gmail.com with ESMTPSA id wn5sm14644597wjb.42.2016.10.17.14.29.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Oct 2016 14:29:34 -0700 (PDT) From: Xose Vazquez Perez To: Date: Mon, 17 Oct 2016 23:29:32 +0200 Message-Id: <20161017212932.2811-1-xose.vazquez@gmail.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 17 Oct 2016 21:29:38 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 17 Oct 2016 21:29:38 +0000 (UTC) for IP:'209.85.215.68' DOMAIN:'mail-lf0-f68.google.com' HELO:'mail-lf0-f68.google.com' FROM:'xose.vazquez@gmail.com' RCPT:'' X-RedHat-Spam-Score: 1.18 * (BAYES_50, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, RCVD_IN_SORBS_SPAM, SPF_PASS) 209.85.215.68 mail-lf0-f68.google.com 209.85.215.68 mail-lf0-f68.google.com X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Scanned-By: MIMEDefang 2.78 on 10.5.110.25 X-loop: dm-devel@redhat.com Cc: device-mapper development , Xose Vazquez Perez Subject: [dm-devel] [PATCH] multipath-tools: replace IO by I/O in multipath.conf.5 X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Virus-Scanned: ClamAV using ClamSMTP to be consistent with the rest of the text. Cc: Christophe Varoqui Cc: device-mapper development Signed-off-by: Xose Vazquez Perez --- multipath/multipath.conf.5 | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5 index 4ab2917..eec319f 100644 --- a/multipath/multipath.conf.5 +++ b/multipath/multipath.conf.5 @@ -7,7 +7,7 @@ .\" .\" ---------------------------------------------------------------------------- . -.TH MULTIPATH.CONF 5 2016-08-12 "Linux" +.TH MULTIPATH.CONF 5 2016-10-18 "Linux" . . .\" ---------------------------------------------------------------------------- @@ -162,19 +162,19 @@ kernel multipath target. There are three selector algorithms: .RS .TP 12 .I "round-robin 0" -Loop through every path in the path group, sending the same amount of IO to +Loop through every path in the path group, sending the same amount of I/O to each. Some aspects of behavior can be controlled with the attributes: \fIrr_min_io\fR, \fIrr_min_io_rq\fR and \fIrr_weight\fR. .TP .\" XXX .I "queue-length 0" -(Since ??? kernel) Choose the path for the next bunch of IO based on the amount -of outstanding IO to the path. +(Since ??? kernel) Choose the path for the next bunch of I/O based on the amount +of outstanding I/O to the path. .TP .\" XXX .I "service-time 0" -(Since ??? kernel) Choose the path for the next bunch of IO based on the amount -of outstanding IO to the path and its relative throughput. +(Since ??? kernel) Choose the path for the next bunch of I/O based on the amount +of outstanding I/O to the path and its relative throughput. .TP Default value is: \fBservice-time 0\fR .RE @@ -342,7 +342,7 @@ Possible values for the feature list are: .TP 12 .\" XXX .I queue_if_no_path -(Superseded by \fIno_path_retry\fR) (Since ??? kernel) Queue IO if no path is active. +(Superseded by \fIno_path_retry\fR) (Since ??? kernel) Queue I/O if no path is active. Identical to the \fIno_path_retry\fR with \fIqueue\fR value. See KNOWN ISSUES. .TP .I no_partitions @@ -448,7 +448,7 @@ Default value is: \fBmanual\fR . .TP .B rr_min_io -Number of IO requests to route to a path before switching to the next in the +Number of I/O requests to route to a path before switching to the next in the same path group. This is only for \fIBlock I/O\fR(BIO) based multipath and only apply to \fIround-robin\fR path_selector. .RS @@ -459,7 +459,7 @@ Default value is: \fB1000\fR . .TP .B rr_min_io_rq -Number of IO requests to route to a path before switching to the next in the +Number of I/O requests to route to a path before switching to the next in the same path group. This is only for \fIRequest\fR based multipath and only apply to \fIround-robin\fR path_selector. .RS @@ -523,9 +523,9 @@ If set to , when multipathd stops, queueing will be turned off for all devices. This is useful for devices that set no_path_retry. If a machine is shut down while all paths to a device are down, it is possible to hang waiting -for IO to return from the device after multipathd has been stopped. Without +for I/O to return from the device after multipathd has been stopped. Without multipathd running, access to the paths cannot be restored, and the kernel -cannot be told to stop queueing IO. Setting queue_without_daemon to +cannot be told to stop queueing I/O. Setting queue_without_daemon to .I no , avoids this problem. .RS @@ -574,7 +574,7 @@ Default value is: \fBno\fR .TP .B fast_io_fail_tmo Specify the number of seconds the SCSI layer will wait after a problem has been -detected on a FC remote port before failing IO to devices on that remote port. +detected on a FC remote port before failing I/O to devices on that remote port. This should be smaller than dev_loss_tmo. Setting this to .I off will disable the timeout.