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Mdoc(7)ify.
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@ -39,14 +39,14 @@
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.\"
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.Dd September 8, 2000
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.Dt FSINFO 8
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.Os BSD 4.4
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.Os
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.Sh NAME
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.Nm ffsinfo
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.Nd dump all meta information of an existing ufs file system
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.Sh SYNOPSIS
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.Nm ffsinfo
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.Nm
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.Op Fl L
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.Op Fl g Ar cylinder group
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.Op Fl g Ar cylinder_group
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.Op Fl i Ar inode
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.Op Fl l Ar level
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.Op Fl o Ar outfile
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@ -63,34 +63,53 @@ Also expect the output file to be rather large.
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Up to 2 percent of the size of the specified filesystem is not uncommon.
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.Pp
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The following options are available:
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.\".Pp
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.Bl -tag -width indent
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.It Fl L
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Specifying this option skips the tests of the disklabel.
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This is done automatically, if the specified filename to dump is a plain file.
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.It Fl g Ar cylinder group
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This restricts the dump to infomation about this cylinder group only.
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Here 0 means the first cylinder group and -1 the last one.
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.It Fl g Ar cylinder_group
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This restricts the dump to information about this cylinder group only.
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Here
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.Ar 0
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means the first cylinder group and
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.Ar -1
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the last one.
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.It Fl i Ar inode
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This restrictes the dump to infomation about this particular inode only.
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Here the minimum acceptable inode is 2.
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This restricts the dump to information about this particular inode only.
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Here the minimum acceptable inode is
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.Ar 2 .
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If this option is omitted but a cylinder group is defined then only inodes
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within that cylinder group are dumped.
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.It Fl l Ar level
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The level of detail which will be dumped.
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This value defaults to 255 and is the bitwise and of the following table:
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.Bd -literal -offset left
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0x001 - initial superblock
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0x002 - superblock copys in each cylindergroup
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0x004 - cylinder group summary in initial cylinder group
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0x008 - cylinder group information
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0x010 - inode allocation bitmap
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0x020 - fragment allocation bitmap
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0x040 - cluster maps and summary
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0x080 - rotational layout tables
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0x100 - inode information
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0x200 - indirect block dump
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.Ed
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This value defaults to
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.Ar 255
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and is the
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.Dq bitwise or
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of the following table:
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.Pp
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.Bl -hang -width indent -compact
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.It Ar 0x001
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initial superblock
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.It Ar 0x002
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superblock copies in each cylinder group
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.It Ar 0x004
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cylinder group summary in initial cylinder group
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.It Ar 0x008
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cylinder group information
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.It Ar 0x010
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inode allocation bitmap
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.It Ar 0x020
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fragment allocation bitmap
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.It Ar 0x040
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cluster maps and summary
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.It Ar 0x080
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rotational layout tables
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.It Ar 0x100
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inode information
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.It Ar 0x200
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indirect block dump
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.El
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.It Fl o Ar outfile
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This allows to change the output filename where the dump is written to.
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The current default is
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@ -111,27 +130,24 @@ Do not try dumping a mounted file system, your system may panic and you will
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not be able to use the file system any longer.
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.Pp
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Also snapshots are handled like plain files.
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They should get a their own level to provide for independent control of the
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They should get their own level to provide for independent control of the
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amount of what gets dumped.
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It probably also makes sense to some extend to dump the snapshot as a
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filesystem.
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.Sh SEE ALSO
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.Xr vinum 8 ,
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.Xr disklabel 8 ,
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.Xr dumpfs 8 ,
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.Xr fsck 8 ,
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.Xr growfs 8 ,
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.Xr newfs 8 ,
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.Xr tunefs 8 ,
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.Xr growfs 8 ,
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.Xr dumpfs 8
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.\".Rs
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.\".Re
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.Xr vinum 8
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.Sh AUTHORS
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.An Christoph Herrmann Aq chm@FreeBSD.ORG
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.An Thomas-Henning von Kamptz Aq tomsoft@FreeBSD.ORG
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.An Christoph Herrmann Aq chm@FreeBSD.org
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.An Thomas-Henning von Kamptz Aq tomsoft@FreeBSD.org
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.An The GROWFS team Aq growfs@Tomsoft.COM
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.Sh HISTORY
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The
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.Nm
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command appeared first in
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.Bx Free
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5.0
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command first appeared in
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.Fx 5.0 .
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@ -39,12 +39,12 @@
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.\"
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.Dd September 8, 2000
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.Dt GROWFS 8
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.Os BSD 4.4
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.Os
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.Sh NAME
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.Nm growfs
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.Nd grow size of an existing ufs file system
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.Sh SYNOPSIS
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.Nm growfs
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.Nm
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.Op Fl Ny
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.Op Fl s Ar size
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.Ar special
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@ -75,13 +75,12 @@ Use
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for other changes.
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.Pp
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The following options are available:
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.\".Pp
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.Bl -tag -width indent
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.It Fl N
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Cause the new file system parameters to be printed out without actually growing
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the file system.
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.It Fl y
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.Dq Expert mode
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.Dq Expert mode .
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Normally
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.Nm
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will ask you, if you took a backup of your data before and will do some tests
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@ -89,7 +88,7 @@ if
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.Ar special
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is currently mounted or if there are any active snapshots on the filesystem
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specified.
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This will be supressed.
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This will be suppressed.
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So use this option with great care!
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.It Fl s Ar size
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The
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@ -111,7 +110,7 @@ up to 2GB if there is enough space in
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.Pa /dev/vinum/testvol .
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.Sh BUGS
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In some cases on
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.Bx Free
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.Fx
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3.x it is possible, that
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.Nm
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did not recognize exactly, if the file system is mounted or not and
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@ -129,7 +128,7 @@ Almost everything works perfect with this relocated structure except the
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.Xr fsck 8
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utility.
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There is a patch available for
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.Xr fsck 8 ) .
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.Xr fsck 8 .
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For growing above certain limits it is essential to have some free blocks
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available in the first cylinder group.
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To avoid the relocation of that structure it is currently recommended to use
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@ -142,24 +141,20 @@ in the CYLINDER SUMMARY (internal cs) of the CYLINDER GROUP
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has enough blocks.
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As a rule of thumb for default filesystem parameters a block is needed for
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every 2 GB of total filesystem size.
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.Pp
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.Sh SEE ALSO
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.Xr vinum 8 ,
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.Xr disklabel 8 ,
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.Xr dumpfs 8 ,
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.Xr ffsinfo 8 ,
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.Xr fsck 8 ,
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.Xr newfs 8 ,
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.Xr tunefs 8 ,
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.Xr dumpfs 8 ,
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.Xr ffsinfo 8
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.\".Rs
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.\".Re
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.Xr vinum 8
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.Sh AUTHORS
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.An Christoph Herrmann Aq chm@FreeBSD.ORG
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.An Thomas-Henning von Kamptz Aq tomsoft@FreeBSD.ORG
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.An Christoph Herrmann Aq chm@FreeBSD.org
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.An Thomas-Henning von Kamptz Aq tomsoft@FreeBSD.org
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.An The GROWFS team Aq growfs@Tomsoft.COM
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.Sh HISTORY
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The
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.Nm
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command first appeared first in
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.Bx Free
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5.0.
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command first appeared in
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.Fx 5.0 .
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