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Merge pull request #698 from robertbaldyga/manpage-remove-casadm-nvme

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Remove info about casadm -N command from manpage
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Robert Baldyga 2021-02-16 17:53:55 +01:00 committed by GitHub
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utils/casadm.8
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@ -137,23 +137,6 @@ Manage IO classes.
2. \fB-L, --list\fR - print current IO class configuration. Allowed output formats: table or CSV.
.TP
.B -N, --nvme
Manage NVMe device.
.br
1. \fB-F, --format\fR <MODE> {normal|atomic} - format NVMe device to one of supported modes.
\fBNOTE:\fR After formatting NVMe device platform reboot is required.
.br
Defines cache metadata mode.
In normal mode NVMe namespace uses LBA of size 512 bytes. Cache data and metadata
are written to disk in separate requests in the same way that it happens with
standard SSD device.
Atomic mode exploits extended NVMe metadata features. In this mode namespace
uses 520 bytes LBA allowing to write cache data and metadata in a single
request (atomically).
.TP
.B --zero-metadata
Remove metadata from previously used cache device.