What is Thin Provisioning and Why Use it?

The filesystem-thin command instructs the server to report an artificially large file system to NFS and SMB clients. It bypasses free-space checks in programs ...

Thin provisioning is a method of controlling how a file system's free space is calculated and reported. Administrators use thin provisioning to optimize the ...

A thin-provisioned volume or LUN is one for which storage isn't reserved in advance. Instead, storage is allocated dynamically, as it is needed.

Thin Provisioning A Thin Provisioned LUN takes up actual used space and asks for more only when you write data to it . For example, if you create a Thin Provisioned 100GB LUN and store 20GB files, the space it consumes on the volume is 20 GB, where

DSM 上的LUN 是將儲存空間區隔出一部分，作為用來提供主機(啟動器端) 儲存的磁碟(block device)。DSM 支援兩種空間配置模式：Thick Provisioning 和Thin ...

Thin provisioning refers to allocating data on demand, which means that volume consumes a small amount of storage and increases as more data is written to disk.

iSCSI LUN 動態配置(Thin Provisioning) ... 動態配置包含兩個特點：儲存空間隨需配置(on-demand allocation) 和超額分派(over allocation)。管理者可在初期建立LUN 時配置 ...

Thin provisioning allows users to allocate a large amount of virtual capacity for an application server regardless of the actual physical capacity.

Thin Provisioning（儲存資源隨需分配）目的在於提高企業的儲存資源利用率，廠商多表示，透過Thin Provisioning，可讓儲存利用率從2～3成提升至7～8成。

The key point is you don't provision capacity, you create a share (NFS/SMB/HDFS/ETC) and then use a quota (hard or soft) to manage the capacity.