Corsinvest / eve4ceph-mdti

Merge Diff file To Image for Ceph

eve4ceph-mdti

Merge Diff file To Image for Ceph

Ceph Documentation

rbd incremental backup

rdb – manage rados block device (rbd) images

Original idea ceph_apply_diff

    ______      __                       _              _    ________
   / ____/___  / /____  _________  _____(_)_______     | |  / / ____/
  / __/ / __ \/ __/ _ \/ ___/ __ \/ ___/ / ___/ _ \    | | / / __/
 / /___/ / / / /_/  __/ /  / /_/ / /  / (__  )  __/    | |/ / /___
/_____/_/ /_/\__/\___/_/  / .___/_/  /_/____/\___/     |___/_____/
                         /_/

EnterpriseVE Merge Diff file To Image for Ceph       (Made in Italy)

Usage:
    eve4ceph-mdti <FULL_IMAGE_FILE> <DIFF_FILE>
    eve4ceph-mdti version

Report bugs to <[e-mail]>. 

Introduction

Ceph implements merge-diff to obtain single diff (rbd merge-diff diff1 diff2 diff_all). This software assemble diff file into file raw image (rbd export).

For Backup and Restore Ceph see eve4ceph-barc

Configuration and use

Download package eve4ceph-mdti_?.?.?-?_all.deb, on your host and install:

wget https://github.com/EnterpriseVE/eve4ceph-mdti/releases/latest
dpkg -i eve4ceph-mdti_?.?.?-?_all.deb

This tool need basically no configuration.

Execution

$ rbd export pool-rbd/vm-111-disk-1@snap1 vm-111-disk-1.img
$ rbd export-diff pool-rbd/vm-111-disk-1 --from-snap snap1 vm-111-disk-1-snap1.diff

$ eve4ceph-mdti vm-111-disk-1.img vm-111-disk-1-snap1.diff

The file vm-111-disk-1.img is now current, like if you had run rbd export pool-rbd/vm-111-disk-1.