NVME−ZNS−REPORT−Z - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual
NAMEnvme-zns-report-zones − Retrieve and display the Report Zones data structure
SYNOPSISnvme zns report−zones <device> [−−namespace−id=<NUM> | −n <NUM>] [−−start−lba=<IONUM> | −s <IONUM>] [−−descs=<NUM> | −d <NUM>] [−−state=<NUM> | −S <NUM>] [−−extended | −e] [−−partial | −p] [−−verbose | −v] [−−output−format=<FMT> | −o <FMT>]
DESCRIPTIONFor the NVMe device given, sends the Zone Management Receive command with the Zone Receive Action set to either Report Zones or Extended Report Zones, depending on the extended option​. 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 data structure returned by the device will be decoded and displayed in one of several ways​.
OPTIONS−n <NUM>, −−namespace−id=<NUM> Use the provided namespace id for the command​. If not provided, the namespace id of the block device will be used​. If the command is issued to a non−block device, the parameter is required​. −s <lba>, −−start−lba=<lba> The starting LBA of the zone to begin the report −d <NUM>, −−descs=<NUM> The number of descriptors to request in the report​. −S <NUM>, −−state=<NUM> The state of zones to request in the report​. Known values include: lt lt. T{ Value T}:T{ Definition T} T{ 0 T}:T{ List all zones (default) T} T{ 1 T}:T{ Empty State T} T{ 2 T}:T{ Implicitly Opened State T} T{ 3 T}:T{ Explicitly Opened State T} T{ 4 T}:T{ Closed State T} T{ 5 T}:T{ Full State T} T{ 6 T}:T{ Read Only State T} T{ 7 T}:T{ Offline State T} −e, −−extended Request to use the Extended Report Zones option​. The extended data is not decoded​. −p, −−partial If set, the device will return the number of zones that match the state rather than the number of zones returned in the report​. −v, −−verbose Increase the information detail in the output​. −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•  Has the program interpret the report for 16 zones, and display the known fields in a human readable format: # nvme zns report−zones /dev/nvme0 −n 1 −d 16•  Show the output in json format with extra details # nvme zns report−zones /dev/nvme0 −n 1 −d 16 −o json
NVMEPart of nvme−cli 0
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