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Forum Discussion
RN104 How to use backup/restore solution
Hi All, After 7 years I had some issues last week starting with a disk failure. This disk was replaced and the array was rebuild successfully, sadly after two days the same bay failed again. And ...
Hi StephenB,
On the USB disk there are a lot of folders that were deleted a month ago, so thats why I wondered if I needed to use the restore tool in the WebUI. It looks like a browsable archive backup on the USB disk.
Does the WebUI manages a file list every backup cycle? So that when you want to do a restore it selects a batch of files (from a specific date) and performs the restore.
The backup jobs don't do versioned backups. Normally they just copy files from the shares to the USB folders - they don't delete files that were deleted on the source. So you'll need to manually delete unwanted files.
There is a way to get the backups to track the source, we can go through that after you are up and running again. If you do that, you'd be depending on snapshots on the data volume to retrieve accidentally deleted files.
Ok cool, but the volume is dead and I suspect that I have 2 (out of 4) failed drives. Do the snapshots still work then? I hope that the replacements are deleverd before friday. Shal I replace drive 1 and 4 and powerup the unit?
Paul_dH wrote:
Ok cool, but the volume is dead and I suspect that I have 2 (out of 4) failed drives. Do the snapshots still work then?
No. If you use snapshots to recover deleted files, and a backup that doesn't include deleted files, you end up with
- the ability to restore recent files that were accidentally deleted in the normal course of operation (via the snapshots).
- the ability to restore the current files if the volume fails (via the backup).
But if the volume fails, you'd lose the ability to restore accidently deleted files.
FWIW, in my own setup, I am backing up to other OS-6 ReadyNAS that also have snapshots enabled. So I do have some ability to recover deleted files, even if my main NAS fails.
Paul_dH wrote:
Shall I replace drive 1 and 4 and powerup the unit?
Yes, but you will either need to destroy the current volume and create a new one, or do a factory default (web ui settings page or the boot menu). Either way, you'll need to reinstall your apps, recreate your shares, and restore the files from your backup. And of course, you'll need to manually delete the stuff that you no longer want.
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