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diff --git a/Documentation/nvme-endurance-event-agg-log.txt b/Documentation/nvme-endurance-event-agg-log.txt new file mode 100644 index 0000000..69701e3 --- /dev/null +++ b/Documentation/nvme-endurance-event-agg-log.txt @@ -0,0 +1,66 @@ +nvme-endurance-event-agg-log(1) +=============================== + +NAME +---- +nvme-endurance-event-agg-log - Send NVMe Endurance log page request, returns result and log + +SYNOPSIS +-------- +[verse] +'nvme endurance-event-agg-log' <device> [--log-entries=<log_entries> | -e <log_entries>] + [--rae | -r] [--raw-binary | -b] + [--output-format=<fmt> | -o <fmt>] + +DESCRIPTION +----------- +Retrieves the NVMe Endurance Event Aggregate 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 endurance event agg 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, the raw buffer may be +printed to stdout for another program to parse, or reported in json format. + +OPTIONS +------- +-e <log_entries>:: +--log-entries=<log_entries>:: + Retrieve the Endurance Group Event Aggregate Log pending entries. + This argument is mandatory and its success may depend on the device's + statistics to provide this log For More details see NVM Express 1.4 Spec. + Section 5.14.1.15. The maximum number of log entries supported is 2044 + for the device. + +-r:: +--rae:: + Retain an Asynchronous Event. + +-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 +-------- +* Print the Endurance log page in a human readable format: ++ +------------ +# nvme endurance-event-agg-log /dev/nvme0 +------------ ++ + +* Print the raw Endurance log to a file: ++ +------------ +# nvme endurance-event-agg-log /dev/nvme0 --output=binary > endurance_event_agg_log.raw +------------ ++ +It is probably a bad idea to not redirect stdout when using this mode. + +NVME +---- +Part of the nvme-user suite
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