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[2/4] multipath-tools: update path checker info in multipath.conf.5

Message ID 1466689340-5590-3-git-send-email-xose.vazquez@gmail.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Xose Vazquez Perez June 23, 2016, 1:42 p.m. UTC 
>From now on tur is by default, and warn about directio drawbacks.

Cc: Shyam Sundar <g.shyamsundar@yahoo.co.in>
Cc: Edward Goggin, EMC <egoggin@emc.com>
Cc: Matthias Rudolph <matthias.rudolph@hds.com>
Cc: Brian King, IBM <brking@linux.vnet.ibm.com>
Cc: Yacine Kheddache <yacine@alyseo.com>
Cc: Srinivasan Ramani <srinivas.ramani@oracle.com>
Cc: Bart Brooks, Pivot3 <bartb@pivot3.com>
Cc: Martin George <marting@netapp.com>
Cc: Sean Stewart <sean.stewart@netapp.com>
Cc: Benjamin Marzinski <bmarzins@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Christophe Varoqui <christophe.varoqui@opensvc.com>
Cc: device-mapper development <dm-devel@redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
---
 multipath/multipath.conf.5 | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
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Patch

diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5
index e57b8e6..9f0d194 100644
--- a/multipath/multipath.conf.5
+++ b/multipath/multipath.conf.5
@@ -271,7 +271,7 @@  are
 .TP 12
 .B readsector0
 (Deprecated) Read the first sector of the device. This checker is being
-deprecated, please use \fIdirectio\fR instead
+deprecated, please use \fItur\fR instead
 .TP
 .B tur
 Issue a
@@ -289,9 +289,11 @@  Check the path state for HP storage arrays with Active/Standby firmware.
 Check the path state for LSI/Engenio/NetApp E-Series RDAC storage controller.
 .TP
 .B directio
-Read the first sector with direct I/O.
+(Deprecated) Read the first sector with direct I/O. This checker is being
+deprecated, it will cause spurious path failures under high load.
+Please use \fItur\fR instead.
 .TP
-Default value is \fIdirectio\fR.
+Default value is \fItur\fR.
 .RE
 .TP
 .B failback