138 lines
4.4 KiB
Groff
138 lines
4.4 KiB
Groff
'\" t
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.\" Title: nvme-virtium-save-smart-to-vtview-log
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.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
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.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
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.\" Date: 10/31/2024
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.\" Manual: NVMe Manual
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.\" Source: NVMe
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.\" Language: English
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.\"
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.TH "NVME\-VIRTIUM\-SAVE\" "1" "10/31/2024" "NVMe" "NVMe Manual"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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nvme-virtium-save-smart-to-vtview-log \- Periodically save smart attributes into a log file (csv format)\&.
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.SH "SYNOPSIS"
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.sp
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.nf
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\fInvme virtium save\-smart\-to\-vtview\-log\fR <device> [\-\-run\-time=<NUM> | \-r <NUM>]
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[\-\-freq=<NUM> | \-f <NUM>]
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[\-\-output\-file=<FILE> | \-o <FILE>]
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[\-\-test\-name=<NAME> | \-n <NAME>]
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.fi
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.SH "DESCRIPTION"
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.sp
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This command automates the process of collecting SMART data periodically and saving the data in a ready\-to\-analyze format\&. Each entry is saved with timestamp and in csv format\&. Users can use excel to analyze the data\&. Some examples of use cases are collecting SMART data for temperature characterization, data to calculate endurance, or collecting SMART data during a test or during normal operation\&.
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.sp
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The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1)\&.
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.sp
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On success, the command generates a log file, which contains an entry for identify device (current features & settings) and periodic entries of SMART data\&.
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.sp
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This command runs for the time specified by the option <run\-time>, and collects SMART data at the frequency specified by the option <freq>\&. If the output file name is not specified, this command will generate a file name that include model string and serial number of the device\&.
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.sp
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If the test\-name option is specified, it will be recorded in the log file and be used as part of the log file name\&.
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.SH "OPTIONS"
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.PP
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\-r <NUM>, \-\-run\-time=<NUM>
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.RS 4
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(optional) Number of hours to log data (default = 20 hours)
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.RE
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.PP
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\-f <NUM>, \-\-freq=<NUM>
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.RS 4
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(optional) How often you want to log SMART data (0\&.25 = 15\*(Aq, 0\&.5 = 30\*(Aq, 1 = 1 hour, 2 = 2 hours, etc\&.)\&. Default = 10 hours\&.
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.RE
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.PP
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\-o <FILE>, \-\-output\-file=<FILE>
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.RS 4
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(optional) Name of the log file (give it a name that easy for you to remember what the test is)\&. You can leave it blank too, the file name will be generated as <model string>\-<serial number>\-<test name>\&.txt\&.
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.RE
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.PP
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\-n <NAME>, \-\-test\-name=<NAME>
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.RS 4
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(optional) Name of the test you are doing\&. We use this string as part of the name of the log file\&.
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.RE
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.SH "EXAMPLES"
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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Temperature characterization:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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# nvme virtium save\-smart\-to\-vtview\-log /dev/yourDevice \-\-run\-time=100 \-\-record\-frequency=0\&.25 \-\-test\-name=burn\-in\-at\-(\-40)
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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Endurance testing:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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# nvme virtium save\-smart\-to\-vtview\-log /dev/yourDevice \-\-run\-time=100 \-\-record\-frequency=1 \-\-test\-name=Endurance\-test\-JEDEG\-219\-workload
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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Just logging: Default logging is run for 20 hours and log every 10 hours\&.
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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# nvme virtium save\-smart\-to\-vtview\-log /dev/yourDevice
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.fi
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.if n \{\
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.RE
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.\}
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.RE
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.SH "NVME"
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.sp
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Part of the nvme\-user suite
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