41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Olaf Faaland <faaland1@llnl.gov>
|
||
|
|
Date: Thu, 15 Feb 2018 09:50:06 -0800
|
||
|
|
Subject: [PATCH] Clarify zinject(8) explanation of -e
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
Error injection of EIO or ENXIO simply sets the zio's io_error value,
|
||
|
|
rather than preventing the read or write from occurring. This is
|
||
|
|
important information as it affects how the probes must be used.
|
||
|
|
|
||
|
|
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
|
||
|
|
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
|
||
|
|
Reviewed-by: George Melikov <mail@gmelikov.ru>
|
||
|
|
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
|
||
|
|
Closes #7172
|
||
|
|
(cherry picked from commit 26941ce90b8f056949a3bc29da606513af799781)
|
||
|
|
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
|
||
|
|
---
|
||
|
|
man/man8/zinject.8 | 3 +++
|
||
|
|
1 file changed, 3 insertions(+)
|
||
|
|
|
||
|
|
diff --git a/man/man8/zinject.8 b/man/man8/zinject.8
|
||
|
|
index 50fecfb64..7f363974b 100644
|
||
|
|
--- a/man/man8/zinject.8
|
||
|
|
+++ b/man/man8/zinject.8
|
||
|
|
@@ -111,6 +111,9 @@ Specify
|
||
|
|
.BR "dtl" " for an ECHILD error,"
|
||
|
|
.BR "io" " for an EIO error where reopening the device will succeed, or"
|
||
|
|
.BR "nxio" " for an ENXIO error where reopening the device will fail."
|
||
|
|
+For EIO and ENXIO, the "failed" reads or writes still occur. The probe simply
|
||
|
|
+sets the error value reported by the I/O pipeline so it appears the read or
|
||
|
|
+write failed.
|
||
|
|
.TP
|
||
|
|
.BI "\-f" " frequency"
|
||
|
|
Only inject errors a fraction of the time. Expressed as a real number
|
||
|
|
--
|
||
|
|
2.14.2
|
||
|
|
|