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[GH-ISSUE #73] Is it safety to use cv4pve-autosnap in conjunction with Storage Replication (pvecm)? #71

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opened 2026-02-26 17:44:16 +03:00 by kerem · 7 comments

kerem commented

2026-02-26 17:44:16 +03:00

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Originally created by @GusevVictor on GitHub (Jan 24, 2023).
Original GitHub issue: https://github.com/Corsinvest/cv4pve-autosnap/issues/73

Hi all!
I'm very like to use cv4pve-autosnap for years. In all time when I use it, I have a question about safety use it with Storage Replication (pvecm).

For example:

case when cv4pve-autosnap runs for create a new snap and del some old snap while pvecm (send diff/full snapshot)
case when pvecm runs for create a new or del old diff snap while cv4pve-autosnap want to runs too.

There is vm lock, but I have doubt about that will be work good.

It there any dangerous when use both tools?

Originally created by @GusevVictor on GitHub (Jan 24, 2023). Original GitHub issue: https://github.com/Corsinvest/cv4pve-autosnap/issues/73 Hi all! I'm very like to use cv4pve-autosnap for years. In all time when I use it, I have a question about safety use it with Storage Replication (pvecm). **For example:** 1. case when cv4pve-autosnap runs for create a new snap and del some old snap while pvecm (send diff/full snapshot) 2. case when pvecm runs for create a new or del old diff snap while cv4pve-autosnap want to runs too. There is vm lock, but I have doubt about that will be work good. It there any dangerous when use both tools?

kerem closed this issue

2026-02-26 17:44:16 +03:00

kerem commented

2026-02-26 17:44:16 +03:00

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@franklupo commented on GitHub (Jan 24, 2023):

what command do you use with pvecm?

@franklupo commented on GitHub (Jan 24, 2023): what command do you use with pvecm?

kerem commented

2026-02-26 17:44:16 +03:00

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@GusevVictor commented on GitHub (Jan 24, 2023):

what command do you use with pvecm?

First of all: Thank a lot for your answer.

I use gui of proxmox replication. I mean this one:

@GusevVictor commented on GitHub (Jan 24, 2023): > what command do you use with pvecm? First of all: Thank a lot for your answer. I use gui of proxmox replication. I mean this one: ![sync](https://user-images.githubusercontent.com/7081357/214323157-396c262b-c239-4f2d-9c1d-6bdc2b509e48.png)

kerem commented

2026-02-26 17:44:16 +03:00

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@franklupo commented on GitHub (Jan 24, 2023):

Hi,
this is replication vm. cv4pve-autosnap uses the API and there is no problem

Best regards

@franklupo commented on GitHub (Jan 24, 2023): Hi, this is replication vm. cv4pve-autosnap uses the API and there is no problem Best regards

kerem commented

2026-02-26 17:44:16 +03:00

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@GusevVictor commented on GitHub (Jan 24, 2023):

Thank you so much. Yes, I understand about API. Below of the API resides zfs layer and I don't know what about when zfs send snapshot and during this cv4pve-autosnap send by API - "HEY! We need delete this snap." - Is there possible to destroy of zfs tank at all? :)

@GusevVictor commented on GitHub (Jan 24, 2023): Thank you so much. Yes, I understand about API. Below of the API resides zfs layer and I don't know what about when zfs send snapshot and during this cv4pve-autosnap send by API - "HEY! We need delete this snap." - Is there possible to destroy of zfs tank at all? :)

kerem commented

2026-02-26 17:44:16 +03:00

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@GusevVictor commented on GitHub (Jan 27, 2023):

Will be glad for any update :)

@GusevVictor commented on GitHub (Jan 27, 2023): Will be glad for any update :)

kerem commented

2026-02-26 17:44:17 +03:00

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@turrini commented on GitHub (Feb 5, 2023):

Don't worry, it will be safe. The PVE API serializes all commands and organizes them to avoid conflicts (snapshoting while replicating is an example). I've been using autosnap for months on 8 nodes, replicating vms between them.

@turrini commented on GitHub (Feb 5, 2023): Don't worry, it will be safe. The PVE API serializes all commands and organizes them to avoid conflicts (snapshoting while replicating is an example). I've been using autosnap for months on 8 nodes, replicating vms between them.

kerem commented

2026-02-26 17:44:17 +03:00

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@GusevVictor commented on GitHub (Feb 6, 2023):

Don't worry, it will be safe. The PVE API serializes all commands and organizes them to avoid conflicts (snapshoting while replicating is an example). I've been using autosnap for months on 8 nodes, replicating vms between them.

Thank a lot. I have some error messages like this one:
command 'zfs snapshot tank/vm-113-disk-1@__replicate_113-0_1675396830__' failed: got timeout

Think this is no so dangerous.

@GusevVictor commented on GitHub (Feb 6, 2023): > Don't worry, it will be safe. The PVE API serializes all commands and organizes them to avoid conflicts (snapshoting while replicating is an example). I've been using autosnap for months on 8 nodes, replicating vms between them. Thank a lot. I have some error messages like this one: ` command 'zfs snapshot tank/vm-113-disk-1@__replicate_113-0_1675396830__' failed: got timeout` Think this is no so dangerous.