What is the maximum size supported for a flexible volume?

Last modified date: 2018-11-30

Applicable Firmware: QTS 4.4.2 and later versions

Answer

The maximum supported size for a flexible volume is 250 TB. Depending on certain system configurations, there are some limitations to this:

If the NAS has less than 4GB RAM, then the maximum capacity is 144TB.
If the NAS has at least 4GB RAM, then the maximum capacity is 250TB.

Depending on Bytes per inodes, the maximum possible size of a volume will change accordingly.

Bytes per Inode	Max. Size of Volume
4096 / 4K	15.99 TB
8192 / 8K	31.99 TB
16384 / 16K	63.99 TB
32768 / 32K	127.99 TB
65536 / 64K	250 TB

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