Thin Provisioning
Allouer le stockage à la demande, permettant des volumes plus grands que l'espace physique utilisé.
Thin provisioning is common with LVM-thin and ZFS zvols in Proxmox. It saves space and enables fast snapshots, but you must monitor real usage — overcommitting and then filling the pool can take everything offline.
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ZFS
An advanced filesystem and volume manager offering data integrity, snapshots, compression and software RAID.
Snapshot
A point-in-time, read-only copy of a filesystem or volume that lets you roll back changes instantly.
Hypervisor
Software that creates and manages virtual machines by allocating physical resources between them.