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ReadyNAS 4312V2 to ReadyNAS 4312V2 Rsync Backup
ReadyNAS 4312V2 (RR4312X) Firmware 6.10.1
When backing up a share on NAS A to its twin NAS B using "Windows/NAS Backup" the backup runs perfectly consistently; that is any file changes on NAS A are reflected on the destination NAS after the backup.
After changing the backup mode to "RSYNC" for the same backup it runs, logs show any and all changed files on source are updated correctly on destination. However, when directly viewing the files that the RSYNC logs show to have been backed up on the destination device's share, the actual contents are not changed from prior to the backup's run.
I called Netgear support and was told RSYNC only works on the top level directory which is not my experience with it on both general command line use and also with a previous generation of ReadyNAS devices. Is this now the standard behavior of RSYNC with ReadyNAS? If so it seems very limiting to me.
Try switching one share to pull, and see if that resolves it.
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I use rsync with all my backups, and haven't seen this.
Are you running "push" backups (local source, remote destination)? Or "pull" (remote source, local destination). Personally I use "pull" with 6.10.4. There is a bug with "push" in 6.10.4, but AFAIK there is no issue with 6.10.1.
This is a push backup. As I mentioned above I spoke with Netgear support and he effectively said this was how RSYNC behaved which I thought was odd since it isn't the behavior I'm accustomed with. From the command line I normally use it recursively which the reason I expected this behavior here.
Is this on a "push" (initiated by the primary NAS) or "pull" (initiated by the backup NAS)?
A push does a snapshot first and backs that up to insure integrity of the files being backed up, and perhaps the problem lies therein -- that the snapshot that's being used is an old one.
How full is the data volume?
It's a push.
The source device has 32 Terabytes free and the destination device has 30 Terabytes free.
Try switching one share to pull, and see if that resolves it.
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