The initial sync is a full image sync, the rest is based on the object sets created. There are several options to control the mirroring, for example: rbd_journal_max_concurrent_object_sets rbd_mirror_concurrent_image_syncs rbd_mirror_leader_max_missed_heartbeats and many more. I'm not sure I fully understand what you're asking, maybe you could rephrase your question? Zitat von Zhenshi Zhou <deaderzzs@gmail.com>:
Hi Eugen,
Thanks for the reply. If rbd-mirror constantly synchronize changes, what frequency to replay once? I don't find any options I can config.
Eugen Block <eblock@nde.ag> 于2020年6月4日周四 下午2:54写道：
Hi,
that's the point of rbd-mirror, to constantly replay changes from the primary image to the remote image (if the rbd journal feature is enabled).
Zitat von Zhenshi Zhou <deaderzzs@gmail.com>:
Hi all,
I'm gonna deploy a rbd-mirror in order to sync image from clusterA to clusterB. The image will be used while syncing. I'm not sure if the rbd-mirror will sync image continuously or not. If not, I will inform clients not to write data in it.
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