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I created a case sensitive volume on my Macbook Pro with this command:
hdiutil create -type UDIF -fs 'Case-sensitive Journaled HFS+' -size 200g -volname Unix ~/Unix
I see that volume performance is much worse than writing to the disk directly, see:
9801a7953161% sync; /bin/dd if=/dev/zero of=/Volumes/Unix/some_file bs=1m count=10240; sync
10240+0 records in
10240+0 records out
10737418240 bytes transferred in 63.777882 secs (168356457 bytes/sec)
9801a7953161% sync; /bin/dd if=/dev/zero of=/Users/XXX/some_file bs=1m count=10240; sync
10240+0 records in
10240+0 records out
10737418240 bytes transferred in 8.968688 secs (1197211702 bytes/sec)
Any idea what's wrong here? I ran first aid on my disk - no issues found.
I am facing the same issue, did you find any solution for that? – HMagdy – 2018-09-19T08:45:04.173
Nope, nothing yet. – duduamar – 2018-09-20T19:39:02.103
I think the best solution for that, just backup, format, APFS and restore .. let me do that and then let you know. – HMagdy – 2018-09-21T16:29:12.327