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| author | Richard W.M. Jones <rjones@redhat.com> | 2011-04-30 20:11:21 -0400 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2011-04-30 20:12:07 -0400 |
| commit | 805e6dbc15eae5a4f85eea3c37e295aefaefeb69 (patch) | |
| tree | 0556ba3f608c08e52213213198327a924e90c9f1 | |
| parent | 40f2b698ac765128bfcda5f0db893c95d09ae89a (diff) | |
guestfs(3): Note that host file size limits affect guest disk limits.
| -rw-r--r-- | src/guestfs.pod | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/guestfs.pod b/src/guestfs.pod index 7cfd2b29..5d9d804b 100644 --- a/src/guestfs.pod +++ b/src/guestfs.pod @@ -2819,6 +2819,15 @@ 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 |