Changes

Jump to: navigation, search

Ploop/Limits

111 bytes added, 22:31, 25 December 2015
Marked this version for translation
<translate>
<!--T:1-->
[[Ploop]] images has the following limits:
<!--T:2-->
* Number of snapshots: 126
* Image size:
* Inner ext4 file system size: currently set to 16 TB
== Conversion ==<!--T:3-->
<!--T:4-->
Use ploop convert tool to convert from ploop v1 to ploop v2 image.
== Internals ==<!--T:5-->
=== Image size limit ===<!--T:6-->
<!--T:7-->
Ploop v1 image size limitation comes from the fact that unsigned 32 bit integer
is used to store sector address inside the ploop image. Therefore the maximum
used for header and L2 translation table, maximum image size is decreased by 1MB.
<!--T:8-->
Ploop v2 uses the same unsigned 32 bit field to address blocks rather than sectors.
Block size itself is measured in 512 byte sectors, and can be specified during image creation.
used for header and L2 translation table, maximum image size is decreased by 1MB.
=== Filesystem size limit ===<!--T:9-->
<!--T:10-->
Currently ext4 file system is used. An ability to resize ext4 is limited by
its block group descriptor table, which size can be specified during file

Navigation menu