NVME−VERIFY - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual
NAMEnvme-verify − Send an NVMe Verify command, return results
SYNOPSISnvme−verify <device> [−−namespace−id=<nsid> | −n <nsid>]
[−−start−block=<slba> | −s <slba>]
[−−block−count=<nlb> | −c <nlb>]
[−−limited−retry | −l]
[−−force−unit−access | −f]
[−−prinfo=<prinfo> | −p <prinfo>]
[−−ref−tag=<reftag> | −r <reftag>]
[−−app−tag−mask=<appmask> | −m <appmask>]
[−−app−tag=<apptag> | −a <apptag>]
[−−storage−tag<storage−tag> | −S <storage−tag>]
[−−storage−tag−check<storage−tag−check> | −C <storage−tag−check>]
DESCRIPTIONThe Verify command verifies the integrity of the stored information by reading data and metadata.
OPTIONS−−namespace−id=<nsid>, −n <nsid> Namespace ID use in the command. −−start−block=<slba>, −s <slba> Start block address. −−block−count=<nlb>, −c <nlb> Number of logical blocks to Verify. −−limited−retry, −l Sets the limited retry flag. −−force−unit−access, −f Set the force−unit access flag. −−prinfo=<prinfo>, −p <prinfo> Protection Information field definition. Bit Description 3 PRACT: Protection Information Action. When set to 1, PI is stripped/inserted on read/write when the block format’s metadata size is 8. When set to 0, metadata is passes. 2:0 PRCHK: Protection Information Check: 2 Set to 1 enables checking the guard tag 1 Set to 1 enables checking the application tag 0 Set to 1 enables checking the reference tag −−ref−tag=<reftag>, −r <reftag> Optional reftag when used with protection information. −−app−tag−mask=<appmask>, −m <appmask> Optional application tag mask when used with protection information. −−app−tag=<apptag>, −a <apptag> Optional application tag when used with protection information. −−storage−tag=<storage−tag>, −S <storage−tag> Variable Sized Expected Logical Block Storage Tag(ELBST). −−storage−tag−check=<storage−tag−check>, −C <storage−tag−check> This bit specifies the Storage Tag field shall be checked as part of Verify operation.
EXAMPLESNo examples yet.
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