My NAS which showed fine in Finder on Yosemite, just does not after the 'upgrade'.
Also repeated Time Machine errors as below. Never had these issues on Yosemite. The NAS is a WD MyCloud. Lots of others with the same issues too.
http://community.wd.com/t5/My-Cloud/Support-os-x-el-capitan/td-p/906456
The Time Machine error comes every 24 hours or so, and it starts afresh.
Also repeated Time Machine errors as below. Never had these issues on Yosemite. The NAS is a WD MyCloud. Lots of others with the same issues too.
http://community.wd.com/t5/My-Cloud/Support-os-x-el-capitan/td-p/906456
The Time Machine error comes every 24 hours or so, and it starts afresh.
Time Machine completed a verification of your backups on “WDMyCloud”. To improve reliability, Time Machine must create a new backup for you.
Click Start New Backup to create a new backup. This will remove your existing backup history. This could take several hours.
Click Back Up Later to be reminded tomorrow. Time Machine won’t perform backups during this time.