nvme-write-zeroes - Man Page
Send an NVMe write zeroes command, return results
Synopsis
nvme-write-zeroes <device> [--start-block=<slba> | -s <slba>] [--block-count=<nlb> | -c <nlb>] [--ref-tag=<reftag> | -r <reftag>] [--prinfo=<prinfo> | -p <prinfo>] [--app-tag-mask=<appmask> | -m <appmask>] [--app-tag=<apptag> | -a <apptag>] [--deac | -d] [--limited-retry | -l] [--force-unit-access | -f] [--namespace-id=<nsid> | -n <nsid>] [--storage-tag<storage-tag> | -S <storage-tag>] [--storage-tag-check<storage-tag-check> | -C <storage-tag-check>] [--force]
Description
The Write Zeroes command is used to set a range of logical blocks to 0.
Options
- --start-block=<slba>, -s <slba>
Start block.
- --block-count=<nlb>, -c <nlb>
Number of logical blocks to write zeroes.
- --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.
- --limited-retry, -l
Sets the limited retry flag.
- --deac, -d
Sets the DEAC bit, requesting controller deallocate the logical blocks.
- --force-unit-access, -f
Set the force-unit access flag.
- --namespace-id=<nsid>, -n <nsid>
Namespace ID use in the command.
- --storage-tag=<storage-tag>, -S <storage-tag>
Variable Sized Logical Block Storage Tag(LBST).
- --storage-tag-check=<storage-tag-check>, -C <storage-tag-check>
This bit specifies the Storage Tag field shall be checked as part of end-to-end data protection processing.
- --force
Ignore namespace is currently busy and performed the operation even though.
Examples
No examples yet.
Nvme
Part of the nvme-user suite