To all OpenAFS and AuriStorFS macOS users, Next week Apple is expected to release macOS High Sierra to the public as a free upgrade.
Apple has published the following document describing the upcoming
changes that institutional end users must prepare for.
Prepare your institution for iOS 11, macOS High Sierra, or macOS
Server 5.4
https://support.apple.com/en-us/HT207828
In that document Apple references two sets of changes that impact
macOS systems upgraded to High Sierra if an OpenAFS or AuriStorFS client
is installed.
1. Apple File System (APFS)
As part of the High Sierra upgrade the local file system will
be converted from HFS+ to APFS. Unfortunately, the OpenAFS
and AuriStorFS disk cache is file system dependent. All OpenAFS
clients for macOS and all AuriStorFS clients for macOS prior
to AuriStorFS v0.160 are unaware of APFS and will panic the machine
if the disk cache is located on an APFS volume.
Today, AuriStorFS v0.160 has been published to the AuriStorFS
download web page:
https://www.auristor.com/filesystem/client-installer/
Prior to performing the macOS High Sierra upgrade, any installed
OpenAFS or AuriStorFS must be uninstalled or upgraded to
AuriStorFS v0.160.
As with any macOS upgrade, after the upgrade the High Sierra
specific installer for AuriStorFS should be installed. The
macOS High Sierra v0.160 dmg was published to the AuriStorFS
download site today.
2. User Approved Kernel Extension Loading
https://support.apple.com/en-us/HT208019
Apple has decided that newly installed kernel extensions will
require "User Approval" before they can load. "User Approval"
is more than just running an installer with Administrator
privileges. After installing AuriStorFS on macos High Sierra,
an end user will have to manually approve the kernel extension
before /afs can be accessed.
I realize the time is short. Apple is expected to release macOS High
Sierra on Tuesday 26 September 2017. AuriStor, Inc. became aware of the
panic after upgrade issue a couple of days ago.
Jeffrey Altman
AuriStor, Inc.
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