X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fguestfs.pod;h=859fd19ab61474e394d64c35c4a469666fc7adbf;hb=afe56418946bd8be0706435ed6045bb3ba0f9f99;hp=c19c9b67c3117c8782f214b20b3b44b59eac055d;hpb=20100e23bcdbf744b2e0e3c6c6f4a041e5daa73c;p=libguestfs.git

diff --git a/src/guestfs.pod b/src/guestfs.pod
index c19c9b6..859fd19 100644
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -2657,6 +2657,11 @@ Automated tests of the C API.
 The L<virt-cat(1)>, L<virt-filesystems(1)> and L<virt-ls(1)> commands
 and documentation.
 
+=item C<caution>
+
+Safety and liveness tests of components that libguestfs depends upon
+(not of libguestfs itself).  Mainly this is for qemu and the kernel.
+
 =item C<contrib>
 
 Outside contributions, experimental parts.
@@ -2818,6 +2823,15 @@ We have tested block devices up to 1 exabyte (2**60 or
 1,152,921,504,606,846,976 bytes) using sparse files backed by an XFS
 host filesystem.
 
+Although libguestfs probably does not impose any limit, the underlying
+host storage will.  If you store disk images on a host ext4
+filesystem, then the maximum size will be limited by the maximum ext4
+file size (currently 16 TB).  If you store disk images as host logical
+volumes then you are limited by the maximum size of an LV.
+
+For the hugest disk image files, we recommend using XFS on the host
+for storage.
+
 =head2 MAXIMUM SIZE OF A PARTITION
 
 The MBR (ie. classic MS-DOS) partitioning scheme uses 32 bit sector
@@ -2904,6 +2918,7 @@ enough.
 
 L<guestfs-examples(3)>,
 L<guestfs-ocaml(3)>,
+L<guestfs-perl(3)>,
 L<guestfs-python(3)>,
 L<guestfs-ruby(3)>,
 L<guestfish(1)>,