From 3365d2cf71638958804e32f3b558a290da93cff2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= Date: Wed, 26 May 2021 14:51:37 +0200 Subject: [PATCH] raidz_test.1: modernise MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also re-add articles left out by the slav who wrote this Reviewed-by: Brian Behlendorf Signed-off-by: Ahelenia Ziemiańska Closes #12125 --- man/man1/raidz_test.1 | 153 ++++++++++++++++++++---------------------- 1 file changed, 74 insertions(+), 79 deletions(-) diff --git a/man/man1/raidz_test.1 b/man/man1/raidz_test.1 index 26e6b24ad8..1c61c7a877 100644 --- a/man/man1/raidz_test.1 +++ b/man/man1/raidz_test.1 @@ -1,4 +1,3 @@ -'\" t .\" .\" CDDL HEADER START .\" @@ -19,88 +18,84 @@ .\" .\" CDDL HEADER END .\" -.\" .\" Copyright (c) 2016 Gvozden Nešković. All rights reserved. .\" -.TH RAIDZ_TEST 1 "Aug 24, 2020" OpenZFS - -.SH NAME -\fBraidz_test\fR \- raidz implementation verification and benchmarking tool -.SH SYNOPSIS -.LP -.BI "raidz_test " -.SH DESCRIPTION -.LP -This manual page documents briefly the \fBraidz_test\fR command. -.LP -Purpose of this tool is to run all supported raidz implementation and verify -results of all methods. Tool also contains a parameter sweep option where all -parameters affecting RAIDZ block are verified (like ashift size, data offset, -data size, etc...). -The tool also supports a benchmarking mode using -B option. -.SH OPTION -.HP -.BI "\-h" "" -.IP +.Dd May 26, 2021 +.Dt RAIDZ_TEST 1 +.Os +. +.Sh NAME +.Nm raidz_test +.Nd raidz implementation verification and benchmarking tool +.Sh SYNOPSIS +.Nm +.Op Fl StBevTD +.Op Fl a Ar ashift +.Op Fl o Ar zio_off_shift +.Op Fl d Ar raidz_data_disks +.Op Fl s Ar zio_size_shift +.Op Fl r Ar reflow_offset +. +.Sh DESCRIPTION +The purpose of this tool is to run all supported raidz implementation and verify +the results of all methods. +It also contains a parameter sweep option where all +parameters affecting a RAIDZ block are verified (like ashift size, data offset, +data size, etc.). +The tool also supports a benchmarking mode using the +.Fl B +option. +. +.Sh OPTION +.Bl -tag -width "-B(enchmark)" +.It Fl h Print a help summary. -.HP -.BI "\-a" " ashift (default: 9)" -.IP +.It Fl a Ar ashift No (default: Sy 9 ) Ashift value. -.HP -.BI "\-o" " zio_off_shift" " (default: 0)" -.IP -Zio offset for raidz block. Offset value is 1 << (zio_off_shift) -.HP -.BI "\-d" " raidz_data_disks" " (default: 8)" -.IP -Number of raidz data disks to use. Additional disks for parity will be used -during testing. -.HP -.BI "\-s" " zio_size_shift" " (default: 19)" -.IP -Size of data for raidz block. Size is 1 << (zio_size_shift). -.HP -.BI "\-r" " reflow_offset" " (default: uint max)" -.IP -Set raidz expansion offset. The expanded raidz map allocation function will +.It Fl o Ar zio_off_shift No (default: Sy 0 ) +ZIO offset for each raidz block. +The offset's value is +.Sy 1 << zio_off_shift . +.It Fl d Ar raidz_data_disks No (default: Sy 8 ) +Number of raidz data disks to use. +Additional disks will be used for parity. +.It Fl s Ar zio_size_shift No (default: Sy 19 ) +Size of data for raidz block. +The real size is +.Sy 1 << zio_size_shift . +.It Fl r Ar reflow_offset No (default: Sy uint max ) +Set raidz expansion offset. +The expanded raidz map allocation function will produce different map configurations depending on this value. -.HP -.BI "\-S(weep)" -.IP -Sweep parameter space while verifying the raidz implementations. This option -will exhaust all most of valid values for -a -o -d -s options. Runtime using -this option will be long. -.HP -.BI "\-t(imeout)" -.IP -Wall time for sweep test in seconds. The actual runtime could be longer. -.HP -.BI "\-B(enchmark)" -.IP -This options starts the benchmark mode. All implementations are benchmarked -using increasing per disk data size. Results are given as throughput per disk, -measured in MiB/s. -.HP -.BI "\-e(xpansion)" -.IP +.It Fl S Ns No (weep) +Sweep parameter space while verifying the raidz implementations. +This option +will exhaust all most of valid values for the +.Fl aods +options. +Runtime using this option will be long. +.It Fl t Ns No (imeout) +Wall time for sweep test in seconds. +The actual runtime could be longer. +.It Fl B Ns No (enchmark) +All implementations are benchmarked using increasing per disk data size. +Results are given as throughput per disk, measured in MiB/s. +.It Fl e Ns No (xpansion) Use expanded raidz map allocation function. -.HP -.BI "\-v(erbose)" -.IP +.It Fl v Ns No (erbose) Increase verbosity. -.HP -.BI "\-T(est the test)" -.IP -Debugging option. When this option is specified tool is supposed to fail -all tests. This is to check if tests would properly verify bit-exactness. -.HP -.BI "\-D(ebug)" -.IP -Debugging option. Specify to attach gdb when SIGSEGV or SIGABRT are received. -.HP - -.SH "SEE ALSO" -.BR "ztest (1)" -.SH "AUTHORS" -vdev_raidz, created for OpenZFS by Gvozden Nešković +.It Fl T Ns No (est the test) +Debugging option: fail all tests. +This is to check if tests would properly verify bit-exactness. +.It Fl D Ns No (ebug) +Debugging option: attach +.Xr gdb 1 +when +.Sy SIGSEGV +or +.Sy SIGABRT +are received. +.El +. +.Sh "SEE ALSO" +.Xr ztest 1