[OpenIndiana-discuss] Case sensitivity "mixed" vs "sensitive"

[John Ryan]

On 6/06/2014 1:52 PM, Cal Sawyer wrote:
> Hello
>
> Our 151a8 server is an rsnapshot collector using rsync.  Since setting 
> it up a few weeks ago, i've been noting flurries of file creation 
> errors in the sync logs. It's taken days to figure this out owing to 
> the large amounts of data we're transferring, but it's boiling down to 
> case sensitivity
>
> I created the dataset with the default setting; 
> "casesensitivity=sensitive".  For reasons i don't understand this 
> results in a dataset that, for directories, is case insensitive
>
> eg:  *on the local filesytem*
>
> # touch a
> # touch A
> (ok, so far so good ...)
>
> # mkdir b
> # mkdir B
> mkdir: cannot create directory `B': File exists
Are you sure B didn't really exist prior to 'mkdir B' ?
On UNIX and POSIX file systems B and b are different. 
casesensitivity=sensitive is the default POSIX behaviour.
casesensitivity=mixed is only useful if you export the filesystem using 
SMB/CIFS

John