Date: Wed, 18 Apr 2012 05:11:52 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r234408 - stable/9/sbin/geom/class/part Message-ID: <201204180511.q3I5Bq59015723@svn.freebsd.org>
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Author: ae Date: Wed Apr 18 05:11:52 2012 New Revision: 234408 URL: http://svn.freebsd.org/changeset/base/234408 Log: MFC r233179: Document GEOM_PART_LDM scheme and partition types. Modified: stable/9/sbin/geom/class/part/gpart.8 Directory Properties: stable/9/sbin/geom/class/part/ (props changed) Modified: stable/9/sbin/geom/class/part/gpart.8 ============================================================================== --- stable/9/sbin/geom/class/part/gpart.8 Wed Apr 18 05:00:25 2012 (r234407) +++ stable/9/sbin/geom/class/part/gpart.8 Wed Apr 18 05:11:52 2012 (r234408) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 8, 2012 +.Dd March 19, 2012 .Dt GPART 8 .Os .Sh NAME @@ -38,6 +38,7 @@ lines in the kernel configuration file: .Cd "options GEOM_PART_APM" .Cd "options GEOM_PART_BSD" .Cd "options GEOM_PART_GPT" +.Cd "options GEOM_PART_LDM" .Cd "options GEOM_PART_MBR" .Cd "options GEOM_PART_EBR" .Cd "options GEOM_PART_EBR_COMPAT" @@ -511,6 +512,12 @@ called Requires the .Cm GEOM_PART_BSD kernel option. +.It Cm LDM +The Logical Disk Manager is an implementation of volume manager for +Microsoft Windows NT. +Requires the +.Cd GEOM_PART_LDM +kernel option. .It Cm GPT GUID Partition Table is used on Intel-based Macintosh computers and gradually replacing MBR on most PCs and other systems. @@ -559,7 +566,7 @@ The utility also allows the user to specify scheme-specific partition types for partition types that do not have symbolic names. Symbolic names currently understood are: -.Bl -tag -width ".Cm freebsd-vinum" +.Bl -tag -width ".Cm ms-ldm-metadata" .It Cm bios-boot The system partition dedicated to second stage of the boot loader program. Usually it is used by the GRUB 2 loader for GPT partitioning schemes. @@ -634,6 +641,18 @@ A partition that is sub-partitioned by a This type is known as .Qq Li "!024dee41-33e7-11d3-9d69-0008c781f39f" by GPT. +.It Cm ms-ldm-data +A partition that contains Logical Disk Manager (LDM) volumes. +The scheme-specific types are +.Qq Li "!66" +for MBR, +.Qq Li "!af9b60a0-1431-4f62-bc68-3311714a69ad" +for GPT. +.It Cm ms-ldm-metadata +A partition that contains Logical Disk Manager (LDM) database. +The scheme-specifig type is +.Qq Li "!5808c8aa-7e8f-42e0-85d2-e1e90434cfb3" +for GPT. .El .Sh ATTRIBUTES The scheme-specific attributes for EBR: @@ -938,6 +957,23 @@ disk metadata. If some inconsistency is detected, the partition table will be rejected with a diagnostic message: .Sy "GEOM_PART: Integrity check failed (provider, scheme)" . +.It Va kern.geom.part.ldm.debug : No 0 +Debug level of the Logical Disk Manager (LDM) module. +This can be set to a number between 0 and 2 inclusive. +If set to 0 minimal debug information is printed, +and if set to 2 the maximum amount of debug information is printed. +.It Va kern.geom.part.ldm.show_mirrors : No 0 +This variable controls how the Logical Disk Manager (LDM) module handles +mirrored volumes. +By default mirrored volumes are shown as partitions with type +.Cm ms-ldm-data +(see the +.Sx "PARTITION TYPES" +section). +If this variable set to 1 each component of the mirrored volume will be +present as independet partition. +.Em NOTE : +This may break a mirrored volume and lead to data damage. .El .Sh EXIT STATUS Exit status is 0 on success, and 1 if the command fails.
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