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 formats 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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