Which version of macOS ?
YoYottaID v2 requires an Apple computer running macOS 10.9 Mountain Lion or newer
YoYottaID Conform ProRes trim functions require macOS 10.11 or newer
The next major release YoYotta v3 requires macOS 10.11 or newer
macOS 10.13 or 10.12 supported computers
MacBook (Late 2009 or newer)
MacBook Air (Late 2010 or newer)
MacBook Pro (Mid 2010 or newer)
Mac mini (Mid 2010 or newer)
iMac (Late 2009 or newer)
Mac Pro (Mid 2010 or newer)
macOS 10.11 supported computers
MacBook (Late 2008 Aluminium or newer)
MacBook Air (Late 2008 or newer)
MacBook Pro (Mid/Late 2007 or newer)
Mac mini (2009 or newer)
iMac (2007 or newer)
Mac Pro (2008 or newer)
Most Macs running 10.7, 10.8, 10.9 and 10.10 can be updated to 10.11.
Some older computers like the MacPro1,1 and 2,1 do not support a newer macOS.
For these systems we would suggest a Mac mini and move your ATTO SAS or FC card inside a Sonnet Thunderbolt enclosure.
A good way to upgrade is to use a new drive or a second partition on an existing drive.
If you have a fixed drive inside your Mac then ensure you use a program like SuperDuper to backup the entire boot drive to an external drive. Then reformat the internal drive.
This gives you a clean install, but doesn't destroy the data on your old system. So if needed you can boot the old macOS or copy across items that are missing.
Even if you don't want to update to a new major version, we would recommend that you run the latest minor version. For example if you are on 10.11.2 update to 10.11.6.
Please get in touch with email@example.com if you need any help or have further questions.
High Sierra System Security
New installs of drivers and system software from ATTO, OSXFUSE (developer is Benjamin Fleischer) may need approval.
You will see a message saying System Extension Blocked
Also the first time you use YoYottaID to read TAR tapes on a new High Sierra system, you will need to approve YoYotta System Software.
Open the Security & Privacy page in Apple System Preferences, unlock the padlock and click Allow to enable the System software to load.
You must click the Allow button directly on the Mac, clicking using remote screen sharing will not work.
If the Allow button is not shown then reboot your Mac and check the Security & Privacy page again.
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