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Forum Discussion
Time Machine 2tb limit?
Hi! I tested the ReadyNAS Pro equipped with 6tb. We (ad agency) are planning to use it with TimeMachine to backup our desktop macs. I wanted to use the maximum capacity, which is 4607GB, for TM, b...
The limit is based on the filesystem. Sparc ReadyNAS use EXT3 which has a 2TB limit per file. native EXT4 with huge file support (on x86 ReadyNAS last factory reset on 4.2.11 or later, 4.2.12 or later for NVX or 2100v1) has a 16TB limit per file.
As for the drive size limit, that is an unrelated issue. Sparc ReadyNAS (e.g. Duo v1 and NV+ v1) do not have GPT support which means they can't handle drives larger than 2TB in size. x86 ReadyNAS on 4.2.16 or later have GPT support. While there is a limit on what can be handled on x86 ReadyNAS at this time it's huge and we're several years away from reaching that limit.
The Duo v2 and NV+ v2 are ARM devices and can handle drives larger than 2TB in size. On ARM devices you set a quota for Time Machine larger than 2TB
As for the drive size limit, that is an unrelated issue. Sparc ReadyNAS (e.g. Duo v1 and NV+ v1) do not have GPT support which means they can't handle drives larger than 2TB in size. x86 ReadyNAS on 4.2.16 or later have GPT support. While there is a limit on what can be handled on x86 ReadyNAS at this time it's huge and we're several years away from reaching that limit.
The Duo v2 and NV+ v2 are ARM devices and can handle drives larger than 2TB in size. On ARM devices you set a quota for Time Machine larger than 2TB
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