Hi Linjie,
Sorry for slow reply. I upgraded to OS 10.10 (Yosemite) before installing the Beta OneDrive for Business for Mac. I used the link you supplied above, and was interested in what the Blog page held - thanks for these.
Following the install, I uploaded a GB of data from Mac to Cloud and downloaded about 500 MB to the Mac with no serious issues. I was most glad to have the capability.
Couple of learnings to share:
OneDrive on Mac did crash a couple of times early on. I simply restarted the app. Following crash #1, the Get Started install dialogue ran again unexpectedly. I was a bit worried it would wind me back to the start since I was mid-upload. I followed the install steps repointing again to my Onedrive folder location ( in progress ) and the app correctly executed a "merge". The second restart the app did not execute the Get Started dialogue, so that was good.
RE: PC/Win7: As my Mac files synced first to the cloud and then down to my PC running Win 7, I recieved a number of errors (unexpected file types, '&' characters in folder names, and names of files too long) all valid on Mac but not valid on Win 7. My fix was simply change names on the Apple side and resync to cloud and back to PC. Naturally, the aim is standard file names in all locations, my illegal file extensions required another solution.
Outstanding still is my question of when OneDrive for Business for Mac (and iPad, iPhone) will be made available to the Office 365 subscription base (Business Premium) so my Mac users can download at their convenience. I imagine the answer depends on scheduled release of the Beta version into full production.
Colleen