'\" t .\" Title: nvme-create-ns .\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author] .\" Generator: DocBook XSL Stylesheets vsnapshot .\" Date: 02/14/2024 .\" Manual: NVMe Manual .\" Source: NVMe .\" Language: English .\" .TH "NVME\-CREATE\-NS" "1" "02/14/2024" "NVMe" "NVMe Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" nvme-create-ns \- Send NVMe Namespace management command to create namespace, returns results\&. .SH "SYNOPSIS" .sp .nf \fInvme create\-ns\fR [\-\-nsze= | \-s ] [\-\-ncap= | \-c ] [\-\-flbas= | \-f ] [\-\-dps= | \-d ] [\-\-nmic= | \-m ] [\-\-anagrp\-id= | \-a ] [\-\-nvmset\-id= | \-i ] [\-\-endg\-id= | \-e ] [\-\-csi= | \-y ] [\-\-lbstm= | \-l ] [\-\-nphndls= | \-n ] [\-\-block\-size= | \-b ] [\-\-timeout= | \-t ] [\-\-nsze\-si= | \-S ] [\-\-ncap\-si= | \-C ] [\-\-azr | \-z] [\-\-rar= | \-r ] [\-\-ror= | \-O ] [\-\-rnumzrwa= | \-u ] [\-\-phndls= | \-p ] [\-\-output\-format= | \-o ] [\-\-verbose | \-v] .fi .SH "DESCRIPTION" .sp For the NVMe device given, sends a namespace management command to create the namespace with the requested settings\&. On success, the namespace identifier assigned by the controller is returned\&. .sp The parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1)\&. .SH "OPTIONS" .PP \-s, \-\-nsze .RS 4 The namespace size\&. .RE .PP \-c, \-\-ncap .RS 4 The namespace capacity\&. .RE .PP \-f, \-\-flbas .RS 4 The namespace formatted logical block size setting\&. Conflicts with \-\-block\-size argument\&. .RE .PP \-d, \-\-dps .RS 4 The data protection settings\&. .RE .PP \-m, \-\-nmic .RS 4 Namespace multipath and sharing capabilities\&. .RE .PP \-a, \-\-anagrp\-id .RS 4 ANA Group Identifier\&. If this value is 0h specifies that the controller determines the value to use .RE .PP \-i , \-\-nvmset\-id= .RS 4 This field specifies the identifier of the NVM Set\&. .RE .PP \-e , \-\-endg\-id= .RS 4 This field specifies the identifier of the endurance group\&. .RE .PP \-y , \-\-csi= .RS 4 This field specifies the identifier of command set\&. if not issued, NVM Command Set will be selected\&. .RE .PP \-l , \-\-lbstm= .RS 4 Logical Block Storage Tag Mask for end\-to\-end protection\&. .RE .PP \-n , \-\-nphndls= .RS 4 Number of Placement Handle included in the Placement Handle List\&. If the Flexible Data Placement capability is not supported or not enabled in specified Endurance Group, then the controller shall ignore this field\&. .RE .PP \-b, \-\-block\-size .RS 4 Target block size the new namespace should be formatted as\&. Potential FLBAS values will be values will be scanned and the lowest numbered will be selected for the create\-ns operation\&. Conflicts with \-\-flbas argument\&. .RE .PP \-S, \-\-nsze\-si .RS 4 The namespace size (NSZE) in standard SI units (aligned on 1Mib boundaries, unless the controller recommends a smaller value)\&. The value SI suffixed is divided by the namespace LBA size to set as NSZE\&. If the value not suffixed it is set as same with the nsze option\&. .RE .PP \-C, \-\-ncap\-si .RS 4 The namespace capacity (NCAP) in standard SI units (aligned on 1Mib boundaries, unless the controller recommends a smaller value)\&. The value SI suffixed is divided by the namespace LBA size to set as NCAP\&. If the value not suffixed it is set as same with the ncap option\&. .RE .PP \-z, \-\-azr .RS 4 Allocate ZRWA Resources\&. If set to 1, then the namespace is to be created with the number of ZRWA resource specified in the RNUMZRWA field of this data structure\&. If cleared to 0, then no ZRWA resources are allocated to the namespace to be created\&. .RE .PP \-r , \-\-rar= .RS 4 Requested Active Resources\&. This field specifies the number of active resources to be allocated to the created namespace\&. .RE .PP \-O , \-\-ror= .RS 4 Requested Open Resources\&. This field specifies the number of open resources to be allocated to the created namespace\&. .RE .PP \-u , \-\-rnumzrwa= .RS 4 Requested Number of ZRWA Resources\&. This field specifies the number of ZRWA resources to be allocated to the created namespace\&. .RE .PP \-p , \-\-phndls= .RS 4 The comma separated list of Reclaim Unit Handle Identifier to be associated with each Placement Handle\&. .RE .PP \-o , \-\-output\-format= .RS 4 Set the reporting format to \fInormal\fR, \fIjson\fR or \fIbinary\fR\&. Only one output format can be used at a time\&. .RE .PP \-v, \-\-verbose .RS 4 Increase the information detail in the output\&. .RE .SH "EXAMPLES" .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} Create a namespace: .sp .if n \{\ .RS 4 .\} .nf # nvme create\-ns /dev/nvme0 \-\-nsze 11995709440 \-\-ncap 1199570940 \-\-flbas 0 \-\-dps 0 \-\-nmic 0 # nvme create\-ns /dev/nvme0 \-\-nsze\-si 6\&.14T \-\-ncap 1199570940 \-\-flbas 0 \-\-dps 0 \-\-nmic 0 .fi .if n \{\ .RE .\} .RE .SH "NVME" .sp Part of the nvme\-user suite