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fish: Increase default size of prepared disks (-N) to 1G.

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The guestfish prepared disks (-N option) all defaulted to 100M.  This
has always been too small for btrfs (so for example ‘-N fs:btrfs’ has
failed for a long time), and can be too small for LVs with new LVM2 /
kernel >= 4.16.

This changes the default from 100M to 1G.  The beginning of the 1.39
branch seems like a good time to make this change.
This commit is contained in:
Richard W.M. Jones
2018-04-10 08:33:12 +01:00
parent 64b517608c
commit adc23829e4
2 changed files with 21 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
fish/guestfish.pod
View File

@@ -120,8 +120,8 @@ Create a 100MB disk containing an ext2-formatted partition:
=head2 Start with a prepared disk
An alternate way to create a 100MB disk called F<test1.img> containing
a single ext2-formatted partition:
Create a 1G disk called F<test1.img> containing a single
ext2-formatted partition:
guestfish -N fs
@@ -1084,10 +1084,10 @@ C<filename=> before the type (see examples below).
The type briefly describes how the disk should be sized, partitioned,
how filesystem(s) should be created, and how content should be added.
Optionally the type can be followed by extra parameters, separated by
C<:> (colon) characters. For example, I<-N fs> creates a default
100MB, sparsely-allocated disk, containing a single partition, with
the partition formatted as ext2. I<-N fs:ext4:1G> is the same, but
for an ext4 filesystem on a 1GB disk instead.
C<:> (colon) characters. For example, I<-N fs> creates a default 1G,
sparsely-allocated disk, containing a single partition, with the
partition formatted as ext2. I<-N fs:ext4:2G> is the same, but for an
ext4 filesystem on a 2GB disk instead.
Note that the prepared filesystem is not mounted. You would usually
have to use the C<mount /dev/sda1 /> command or add the
@@ -1098,7 +1098,7 @@ is automatically launched.
=head2 EXAMPLES
Create a 100MB disk with an ext4-formatted partition, called
Create a 1G disk with an ext4-formatted partition, called
F<test1.img> in the current directory:
guestfish -N fs:ext4

28
generator/prepopts.ml
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@@ -27,17 +27,17 @@ type prepopt = string * string * optargs * string
let prepopts = [
("disk",
"create a blank disk",
[ "size", "100M", "the size of the disk image" ],
"Create a blank disk, size 100MB (by default).
[ "size", "1G", "the size of the disk image" ],
"Create a blank disk, size 1G (by default).
The default size can be changed by supplying an optional parameter.");
("part",
"create a partitioned disk",
[ "size", "100M", "the size of the disk image";
[ "size", "1G", "the size of the disk image";
"partition", "mbr", "partition table type" ],
"Create a disk with a single partition. By default the size of the disk
is 100MB (the available space in the partition will be a tiny bit smaller)
is 1G (the available space in the partition will be a tiny bit smaller)
and the partition table will be MBR (old DOS-style).
These defaults can be changed by supplying optional parameters.");
@@ -45,10 +45,10 @@ These defaults can be changed by supplying optional parameters.");
("fs",
"create a filesystem",
[ "filesystem", "ext2", "the type of filesystem to use";
"size", "100M", "the size of the disk image";
"size", "1G", "the size of the disk image";
"partition", "mbr", "partition table type" ],
"Create a disk with a single partition, with the partition containing
an empty filesystem. This defaults to creating a 100MB disk (the available
an empty filesystem. This defaults to creating a 1G disk (the available
space in the filesystem will be a tiny bit smaller) with an MBR (old
DOS-style) partition table and an ext2 filesystem.
@@ -57,11 +57,11 @@ These defaults can be changed by supplying optional parameters.");
("lv",
"create a disk with logical volume",
[ "name", "/dev/VG/LV", "the name of the VG and LV to use";
"size", "100M", "the size of the disk image";
"size", "1G", "the size of the disk image";
"partition", "mbr", "partition table type" ],
"Create a disk with a single partition, set up the partition as an
LVM2 physical volume, and place a volume group and logical volume
on there. This defaults to creating a 100MB disk with the VG and
on there. This defaults to creating a 1G disk with the VG and
LV called C</dev/VG/LV>. You can change the name of the VG and LV
by supplying an alternate name as the first optional parameter.
@@ -71,20 +71,20 @@ Note this does not create a filesystem. Use 'lvfs' to do that.");
"create a disk with logical volume and filesystem",
[ "name", "/dev/VG/LV", "the name of the VG and LV to use";
"filesystem", "ext2", "the type of filesystem to use";
"size", "100M", "the size of the disk image";
"size", "1G", "the size of the disk image";
"partition", "mbr", "partition table type" ],
"Create a disk with a single partition, set up the partition as an
LVM2 physical volume, and place a volume group and logical volume
on there. Then format the LV with a filesystem. This defaults to
creating a 100MB disk with the VG and LV called C</dev/VG/LV>, with an
creating a 1G disk with the VG and LV called C</dev/VG/LV>, with an
ext2 filesystem.");
("bootroot",
"create a boot and root filesystem",
[ "bootfs", "ext2", "the type of filesystem to use for boot";
"rootfs", "ext2", "the type of filesystem to use for root";
"size", "100M", "the size of the disk image";
"bootsize", "32M", "the size of the boot filesystem";
"size", "1G", "the size of the disk image";
"bootsize", "128M", "the size of the boot filesystem";
"partition", "mbr", "partition table type" ],
"Create a disk with two partitions, for boot and root filesystem.
Format the two filesystems independently. There are several optional
@@ -95,8 +95,8 @@ parameters which control the exact layout and filesystem types.");
[ "name", "/dev/VG/LV", "the name of the VG and LV for root";
"bootfs", "ext2", "the type of filesystem to use for boot";
"rootfs", "ext2", "the type of filesystem to use for root";
"size", "100M", "the size of the disk image";
"bootsize", "32M", "the size of the boot filesystem";
"size", "1G", "the size of the disk image";
"bootsize", "128M", "the size of the boot filesystem";
"partition", "mbr", "partition table type" ],
"This is the same as C<bootroot> but the root filesystem (only) is
placed on a logical volume, named by default C</dev/VG/LV>. There are