NVME−ERROR−LOG - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual

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NAMEnvme-error-log − Send NVME Error log page request, return result and log

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SYNOPSISnvme error−log <device> [−−log−entries=<entries> | −e <entries>] [−−raw−binary | −b] [−−output−format=<fmt> | −o <fmt>]

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DESCRIPTIONRetrieves 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​.

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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​.

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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​.rawIt is probably a bad idea to not redirect stdout when using this mode​.

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NVMEPart of the nvme−user suite 0

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