NVME−SMART−LOG - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual
NAMEnvme-smart-log − Send NVMe SMART log page request, returns result and log
SYNOPSISnvme smart−log <device> [−−namespace−id=<nsid> | −n <nsid>]
[−−raw−binary | −b]
[−−output−format=<fmt> | −o <fmt>]
DESCRIPTIONRetrieves the NVMe SMART 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 smart 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−n <nsid>, −−namespace−id=<nsid> Retrieve the SMART log for the given nsid. This is optional and its success may depend on the device’s capabilities to provide this log on a per−namespace basis (see the NVMe Identify Controller for this capability). The default nsid to use is 0xffffffff for the device global SMART log. −b, −−raw−binary Print the raw SMART 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• Print the SMART log page in a human readable format: # nvme smart−log /dev/nvme0• Print the raw SMART log to a file: # nvme smart−log /dev/nvme0 −−raw−binary > smart_log.rawIt is probably a bad idea to not redirect stdout when using this mode.
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