[pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Maximiliano Sandoval]

This matches the description in the Changelog for Proxmox VE 9 [1].

[1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0

Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
---
 pve-storage-lvm.adoc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
index 6928330..fc2a8ef 100644
--- a/pve-storage-lvm.adoc
+++ b/pve-storage-lvm.adoc
@@ -75,6 +75,8 @@ The snapshot functionality is managed by the PVE storage system.
 +
 Enabling or disabling this flag only affects newly created virtual disk volumes.
 
+WARNING: Snapshots as volume chains are currently a **technology preview** in {pve}.
+
 .Configuration Example (`/etc/pve/storage.cfg`)
 ----
 lvm: myspace
-- 
2.47.2



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Re: [pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Friedrich Weber]

On 29/08/2025 14:24, Maximiliano Sandoval wrote:
> This matches the description in the Changelog for Proxmox VE 9 [1].
> 
> [1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0
> 
> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>

Thanks for sending a patch. The fact that the docs do not explicitly
mention the "tech preview" state also came up during a recent training,
it would be good to update them accordingly.


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Re: [pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Shannon Sterz]

On Wed Sep 3, 2025 at 10:46 AM CEST, Friedrich Weber wrote:
> On 29/08/2025 14:24, Maximiliano Sandoval wrote:
>> This matches the description in the Changelog for Proxmox VE 9 [1].
>>
>> [1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0
>>
>> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
>
> Thanks for sending a patch. The fact that the docs do not explicitly
> mention the "tech preview" state also came up during a recent training,
> it would be good to update them accordingly.

also see: https://bugzilla.proxmox.com/show_bug.cgi?id=6707

> _______________________________________________
> pve-devel mailing list
> pve-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel



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Re: [pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Thomas Lamprecht]

Am 29.08.25 um 14:24 schrieb Maximiliano Sandoval:
> This matches the description in the Changelog for Proxmox VE 9 [1].
> 
> [1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0
> 
> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
> ---
>  pve-storage-lvm.adoc | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
> index 6928330..fc2a8ef 100644
> --- a/pve-storage-lvm.adoc
> +++ b/pve-storage-lvm.adoc
> @@ -75,6 +75,8 @@ The snapshot functionality is managed by the PVE storage system.
>  +
>  Enabling or disabling this flag only affects newly created virtual disk volumes.
>  
> +WARNING: Snapshots as volume chains are currently a **technology preview** in {pve}.

can we make this a note? It's not like tech. preview's are experimental
and totally unsupported after all.

Tangentially related: would be nice to get a short section describing the
implications of what "technology preview" means and link to that here.

> +
>  .Configuration Example (`/etc/pve/storage.cfg`)
>  ----
>  lvm: myspace



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Re: [pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Maximiliano Sandoval]

Thomas Lamprecht <t.lamprecht@proxmox.com> writes:

> Am 29.08.25 um 14:24 schrieb Maximiliano Sandoval:
>> This matches the description in the Changelog for Proxmox VE 9 [1].
>> 
>> [1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0
>> 
>> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
>> ---
>>  pve-storage-lvm.adoc | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
>> index 6928330..fc2a8ef 100644
>> --- a/pve-storage-lvm.adoc
>> +++ b/pve-storage-lvm.adoc
>> @@ -75,6 +75,8 @@ The snapshot functionality is managed by the PVE storage system.
>>  +
>>  Enabling or disabling this flag only affects newly created virtual disk volumes.
>>  
>> +WARNING: Snapshots as volume chains are currently a **technology preview** in {pve}.
>
> can we make this a note? It's not like tech. preview's are experimental
> and totally unsupported after all.
>
> Tangentially related: would be nice to get a short section describing the
> implications of what "technology preview" means and link to that here.

As per the Proxmox VE subscription agreement page 2:

"Technology previews are not supported in production environments."

Of course this should also be in the documentation. I can make it a
note, but a warning matches better the tone of the agreement in my
opinion.

>> +
>>  .Configuration Example (`/etc/pve/storage.cfg`)
>>  ----
>>  lvm: myspace

-- 
Maximiliano


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Re: [pve-devel] [PATCH docs] lvm storage: state snapshot-as-volume-chain is a technology preview

[Maximiliano Sandoval]

Maximiliano Sandoval <m.sandoval@proxmox.com> writes:

> Thomas Lamprecht <t.lamprecht@proxmox.com> writes:
>
>> Am 29.08.25 um 14:24 schrieb Maximiliano Sandoval:
>>> This matches the description in the Changelog for Proxmox VE 9 [1].
>>> 
>>> [1] https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0
>>> 
>>> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
>>> ---
>>>  pve-storage-lvm.adoc | 2 ++
>>>  1 file changed, 2 insertions(+)
>>> 
>>> diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
>>> index 6928330..fc2a8ef 100644
>>> --- a/pve-storage-lvm.adoc
>>> +++ b/pve-storage-lvm.adoc
>>> @@ -75,6 +75,8 @@ The snapshot functionality is managed by the PVE storage system.
>>>  +
>>>  Enabling or disabling this flag only affects newly created virtual disk volumes.
>>>  
>>> +WARNING: Snapshots as volume chains are currently a **technology preview** in {pve}.
>>
>> can we make this a note? It's not like tech. preview's are experimental
>> and totally unsupported after all.
>>
>> Tangentially related: would be nice to get a short section describing the
>> implications of what "technology preview" means and link to that here.
>
> As per the Proxmox VE subscription agreement page 2:
>
> "Technology previews are not supported in production environments."
>
> Of course this should also be in the documentation. I can make it a
> note, but a warning matches better the tone of the agreement in my
> opinion.

I forgot to mention that the cases I found in the docs are either
"WARNING" or "IMPORTANT".

-- 
Maximiliano


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