yh-yong

> Hello [@yh-yong](https://github.com/yh-yong), > > * What is `/Volumes/DiskTest`? Is it some sort of network share such that the preallocation fails and fio falls back to truncation? > * Does...

> Hi [@yh-yong](https://github.com/yh-yong): > > 1. And I'm guessing formatted with exFAT or was it some other filesystem? > 2. Can you try with `psync` ioengine and report if the...

Hi @sitsofe, below are my observation based on the test done. 1. 'stuck' issue seem happened when **native fallocate unsuccessful** on macOS 12.7.4. 2. using the same job cfg file...

> [@yh-yong](https://github.com/yh-yong): Since both the posixaio and psync ioengines are file based, all fallocate preallocation happens before the engines are started so I would expect that part to behave the...

> [@yh-yong](https://github.com/yh-yong) OK I think we can safely say the problem is unrelated to fallocate/preallocation. I think the answer to 11. is pointing to what the "problem" is but let's...