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authorDaniel Baumann <daniel.baumann@progress-linux.org>2021-07-02 20:40:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2021-07-02 20:40:30 +0000
commitdc597ce8df5ae6efd2728a2d7ba7d92486028f79 (patch)
tree55b9e9257eba4579667f9522368aa29f5be6754a /Documentation/nvme-error-log.txt
parentInitial commit. (diff)
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nvme-cli-dc597ce8df5ae6efd2728a2d7ba7d92486028f79.zip
Adding upstream version 1.12.upstream/1.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+nvme-error-log(1)
+=================
+
+NAME
+----
+nvme-error-log - Send NVME Error log page request, return result and log
+
+SYNOPSIS
+--------
+[verse]
+'nvme error-log' <device> [--log-entries=<entries> | -e <entries>]
+ [--raw-binary | -b]
+ [--output-format=<fmt> | -o <fmt>]
+
+DESCRIPTION
+-----------
+Retrieves NVMe Error log page from an NVMe device and provides the
+returned structure.
+
+The <device> parameter is mandatory and may be either the NVMe character
+device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).
+
+On success, the returned error log structure may be returned in one of
+several ways depending on the option flags; the structure may parsed by
+the program and printed in a readable format or the raw buffer may be
+printed to stdout for another program to parse.
+
+OPTIONS
+-------
+-e <entries>::
+--log-entries=<entries>::
+ Specifies how many log entries the program should request from
+ the device. This must be at least one, and shouldn't exceed the
+ device's capabilities. Defaults to 64 log entries.
+
+-b::
+--raw-binary::
+ Print the raw error log buffer to stdout.
+
+-o <format>::
+--output-format=<format>::
+ Set the reporting format to 'normal', 'json', or
+ 'binary'. Only one output format can be used at a time.
+
+
+EXAMPLES
+--------
+* Get the error log and print it in a human readable format:
++
+------------
+# nvme error-log /dev/nvme0
+------------
++
+
+* Print the raw output to a file:
++
+------------
+# nvme error-log /dev/nvme0 --raw-binary > error_log.raw
+------------
++
+It is probably a bad idea to not redirect stdout when using this mode.
+
+NVME
+----
+Part of the nvme-user suite