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 devices 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​.

NVMEPart of the nvme−user suite
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