Hi, Am 03.03.20 um 20:54 schrieb Jack: > Hi, > > You can use a full local export, piped to some hash program (this is > what Backurne¹ does) : rbd export <image> - | xxhsum > Then, check the hash consistency with the original Thanks for the suggestion but this still needs to run an rbd export on the source and target snapshot everytime to compare hashes? Which is slow if you talk about 100's of terrabytes of data isn't it? Stefan > > Regards, > > [1] https://github.com/JackSlateur/backurne > > On 3/3/20 8:46 PM, Stefan Priebe - Profihost AG wrote: >> Hello, >> >> does anybody know whether there is any mechanism to make sure an image >> looks like the original after an import-diff? >> >> While doing ceph backups on another ceph cluster i currently do a fresh >> import every 7 days. So i'm sure if something went wrong with >> import-diff i have a fresh one every 7 days. >> >> Otherwise i waste a lot of backup storage. So i wanted to know if there >> is any way to be sure that the image is OK and save and match the >> orignal snapshot afterwards. >> >> Greets, >> Stefan >> _______________________________________________ >> ceph-users mailing list -- ceph-users@xxxxxxx >> To unsubscribe send an email to ceph-users-leave@xxxxxxx >> > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx