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backup: mention where fleecing can be configured

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Reported in the community forum:
https://forum.proxmox.com/threads/145955/post-658380

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
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Fiona Ebner 2024-04-29 16:49:21 +02:00 committed by Fabian Grünbichler
parent ff3aca1073
commit 75659740b2
1 changed files with 5 additions and 1 deletions
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vzdump.adoc
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@ -148,8 +148,12 @@ sectors will be limited by the speed of the backup target.
With backup fleecing, such old data is cached in a fleecing image rather than With backup fleecing, such old data is cached in a fleecing image rather than
sent directly to the backup target. This can help guest IO performance and even sent directly to the backup target. This can help guest IO performance and even
prevent hangs in certain scenarios, at the cost of requiring more storage space. prevent hangs in certain scenarios, at the cost of requiring more storage space.
Use e.g. `vzdump 123 --fleecing enabled=1,storage=local-lvm` to enable backup Use e.g. `vzdump 123 --fleecing enabled=1,storage=local-lvm` to enable backup
fleecing, with fleecing images created on the storage `local-lvm`. fleecing, with fleecing images created on the storage `local-lvm`. As always,
you can set the option for specific backup jobs, or as a node-wide fallback via
the xref:vzdump_configuration[configuration options]. In the UI, fleecing can be
configured in the 'Advanced' tab when editing a backup job.
The fleecing storage should be a fast local storage, with thin provisioning and The fleecing storage should be a fast local storage, with thin provisioning and
discard support. Examples are LVM-thin, RBD, ZFS with `sparse 1` in the storage discard support. Examples are LVM-thin, RBD, ZFS with `sparse 1` in the storage