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Forum Discussion
BJB
Jan 29, 2022Aspirant
Snapshots on rarely used backup NAS
Greetings. I have to Readynas units and my old RN104 is rareley used. I recently updated a backup on it but I use my new NAS for most backups. That being said I see that it wakes up at times an...
StephenB
Jan 29, 2022Guru - Experienced User
The simplest thing to do is turn them off. You can make a manual snapshot before you run a backup.
The behavior is a bit odd. How often does it wake up?
I have 3 OS-6 NAS (an RN524, an RN202, and a converted Pro-6) on a power schedule, and none of those wake up to do snapshots.
My (unused) RN102 does wake up about once a month, but I don't think snapshots are the cause.
BJB
Jan 30, 2022Aspirant
Thanks. I Checked Power Schedule Settings And It Is Unchecked.
No IdeA Why Waking Up...
Where Did Snapshot Scheduling Get Moved To. I Can See My Snapshots But Not The Schedule.
The Log Says Nothing Else Is Happening Except Snapshots. And Power Scheduling Is Not Checked,
Per Log Wakes Up Every Few Weeks..
BJBBJB
- StephenBJan 30, 2022Guru - Experienced User
BJB wrote:
Thanks. I Checked Power Schedule Settings And It Is Unchecked.
I wasn't meaning to imply that your NAS was running on a power schedule. Just that snapshots weren't waking my my RN202 and x86 ReadyNAS.
BJB wrote:
Per Log Wakes Up Every Few Weeks..
So does my RN102. While I've never figured out why, I don't think it's about snapshots. Instead, I think the snapshots are updated whenever the system happens to boot.
- SandsharkJan 30, 2022Sensei - Experienced User
If nothing has changed since the last snapshot, another won't use any actual space. So other than having a lot of snapshots to delete if you need to recalaim some space and don't set up manual snapshots to delete the oldest, there really isn't a downside to this.
If you are using rsync and the "Remove deleted files on target" option, then I recommend the snapshot schedule be as often as the backup schedule.
- StephenBJan 30, 2022Guru - Experienced User
Sandshark wrote:
If you are using rsync and the "Remove deleted files on target" option, then I recommend the snapshot schedule be as often as the backup schedule.
Me too.
Sandshark wrote:
...there really isn't a downside to this.
I don't think the puzzle is about the snapshots per se - it's why the RN100 series is powering up on its own about once a month. FWIW I spent some time looking into this several months ago, and didn't find the cause.
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