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regarding live snapshot

Posted August 10, 2016 4.5k views
UbuntuBackups

Hello,
There’s a new option called “Live Snapshot”. and DO is still recommended to power down the droplet before taking snapshot

**Power-down your Droplet before taking a snapshot to ensure data consistency.**

so i want to ask is there still any chance of data loss when i take live snapshot?

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MDS August 10, 2016

There is a rare chance of data being corrupted. I personally don’t turn servers off when taking snapshots and so far I have not had any issues. :)

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  • ryanpq August 10, 2016

    This is correct. Since a snapshot is a copy of your disk, if that data were to change too much while the image is being created it could result in corruption in the snapshot image. If you have a lot of filesystem activity (like a heavily used database) it would still be recommended to power down when taking a snapshot but for most purposes the live snapshot should be sufficient.

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    • dinosm March 26, 2021

      Just a follow-up question - when you say the snapshot image might be corrupted, do you mean that it may be completely unusable/unrestorable, or just that its data might not match the current state of the droplet?

      In looking this up, I mostly want to know if I can rely on live snapshots in a disaster scenario, or if I should continue to power down before each snapshot. My server is quite simple, only used by 1-2 users at the time at most; there are a couple of DBs but transactions are limited.

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