| graid.8 (234848) | graid.8 (234940) |
|---|---|
| 1.\" Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/sbin/geom/class/raid/graid.8 234848 2012-04-30 17:53:02Z mav $ | 25.\" $FreeBSD: head/sbin/geom/class/raid/graid.8 234940 2012-05-03 05:32:56Z mav $ |
| 26.\" 27.Dd April 30, 2012 28.Dt GRAID 8 29.Os 30.Sh NAME 31.Nm graid 32.Nd "control utility for software RAID devices" 33.Sh SYNOPSIS 34.Nm 35.Cm label 36.Op Fl f | 26.\" 27.Dd April 30, 2012 28.Dt GRAID 8 29.Os 30.Sh NAME 31.Nm graid 32.Nd "control utility for software RAID devices" 33.Sh SYNOPSIS 34.Nm 35.Cm label 36.Op Fl f |
| 37.Op Fl o Ar fmtopt |
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| 37.Op Fl S Ar size 38.Op Fl s Ar strip 39.Ar format 40.Ar label 41.Ar level 42.Ar prov ... 43.Nm 44.Cm add --- 69 unchanged lines hidden (view full) --- 114The order of components can be important, depending on specific RAID level 115and metadata format. 116.Pp 117Additional options include: 118.Bl -tag -width ".Fl s Ar strip" 119.It Fl f 120Enforce specified configuration creation if it is officially unsupported, 121but technically can be created. | 38.Op Fl S Ar size 39.Op Fl s Ar strip 40.Ar format 41.Ar label 42.Ar level 43.Ar prov ... 44.Nm 45.Cm add --- 69 unchanged lines hidden (view full) --- 115The order of components can be important, depending on specific RAID level 116and metadata format. 117.Pp 118Additional options include: 119.Bl -tag -width ".Fl s Ar strip" 120.It Fl f 121Enforce specified configuration creation if it is officially unsupported, 122but technically can be created. |
| 123.It Fl o Ar fmtopt 124Specifies metadata format options. |
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| 122.It Fl S Ar size 123Use 124.Ar size 125bytes on each component for this volume. 126Should be used if several volumes per array are planned, or if smaller 127components going to be inserted later. 128Defaults to size of the smallest component. 129.It Fl s Ar strip --- 70 unchanged lines hidden (view full) --- 200formats to be used. 201Support is currently implemented for the following formats: 202.Bl -tag -width "Intel" 203.It DDF 204The format defined by the SNIA Common RAID Disk Data Format v2.0 specification. 205Used by some Adaptec RAID BIOSes and some hardware RAID controllers. 206Because of high format flexibility different implementations support 207different set of features and have different on-disk metadata layouts. | 125.It Fl S Ar size 126Use 127.Ar size 128bytes on each component for this volume. 129Should be used if several volumes per array are planned, or if smaller 130components going to be inserted later. 131Defaults to size of the smallest component. 132.It Fl s Ar strip --- 70 unchanged lines hidden (view full) --- 203formats to be used. 204Support is currently implemented for the following formats: 205.Bl -tag -width "Intel" 206.It DDF 207The format defined by the SNIA Common RAID Disk Data Format v2.0 specification. 208Used by some Adaptec RAID BIOSes and some hardware RAID controllers. 209Because of high format flexibility different implementations support 210different set of features and have different on-disk metadata layouts. |
| 208To provide compatibility, the GEOM RAID class mimics capabilities and 209metadata layout of the first detected DDF array. | 211To provide compatibility, the GEOM RAID class mimics capabilities 212of the first detected DDF array. |
| 210Respecting that, it may support different number of disks per volume, 211volumes per array, partitions per disk, etc. 212The following configurations are supported: RAID0 (2+ disks), RAID1 (2+ disks), 213RAID1E (3+ disks), RAID3 (3+ disks), RAID4 (3+ disks), RAID5 (3+ disks), 214RAID5E (4+ disks), RAID5EE (4+ disks), RAID5R (3+ disks), RAID6 (4+ disks), 215RAIDMDF (5+ disks), RAID10 (4+ disks), SINGLE (1 disk), CONCAT (2+ disks). | 213Respecting that, it may support different number of disks per volume, 214volumes per array, partitions per disk, etc. 215The following configurations are supported: RAID0 (2+ disks), RAID1 (2+ disks), 216RAID1E (3+ disks), RAID3 (3+ disks), RAID4 (3+ disks), RAID5 (3+ disks), 217RAID5E (4+ disks), RAID5EE (4+ disks), RAID5R (3+ disks), RAID6 (4+ disks), 218RAIDMDF (5+ disks), RAID10 (4+ disks), SINGLE (1 disk), CONCAT (2+ disks). |
| 219.Pp 220Format supports two options "BE" and "LE", that mean big-endian byte order 221defined by specification (default) and little-endian used by some Adaptec 222controllers. |
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| 216.It Intel 217The format used by Intel RAID BIOS. 218Supports up to two volumes per array. 219Supports configurations: RAID0 (2+ disks), RAID1 (2 disks), 220RAID5 (3+ disks), RAID10 (4 disks). 221Configurations not supported by Intel RAID BIOS, but enforceable on your own 222risk: RAID1 (3+ disks), RAID1E (3+ disks), RAID10 (6+ disks). 223.It JMicron --- 60 unchanged lines hidden --- | 223.It Intel 224The format used by Intel RAID BIOS. 225Supports up to two volumes per array. 226Supports configurations: RAID0 (2+ disks), RAID1 (2 disks), 227RAID5 (3+ disks), RAID10 (4 disks). 228Configurations not supported by Intel RAID BIOS, but enforceable on your own 229risk: RAID1 (3+ disks), RAID1E (3+ disks), RAID10 (6+ disks). 230.It JMicron --- 60 unchanged lines hidden --- |