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Diffstat (limited to 'Documentation/nvme-error-log.txt')
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diff --git a/Documentation/nvme-error-log.txt b/Documentation/nvme-error-log.txt new file mode 100644 index 0000000..94442ee --- /dev/null +++ b/Documentation/nvme-error-log.txt @@ -0,0 +1,68 @@ +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>] [--verbose | -v] + +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 <fmt>:: +--output-format=<fmt>:: + Set the reporting format to 'normal', 'json' or 'binary'. Only one + output format can be used at a time. + +-v:: +--verbose:: + Increase the information detail in the output. + +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 |