Hi all,
since I've got a problem with CIFS server which stops me from using it and I've
found that samba is slooooow if a folder has a few thousands files, because it
has to do case insensitive matches on a case sensitive filesystem which is done
reading the full directory and then doing a case insensitive match for every
file, I decided to do the following test.
First, I've created a zfs filesystem with casesensitivity property set to
'insensitive' and then I've shared this filesystem via samba telling samba to
treat it as a sensitive filesystem, that is, inside /etc/sfw/smb.conf I have
[MYSHARE]
path /myzfs_caseinsensitive/filesys/
case sensitive = Yes
This is fast, even with 10 thousands files, because samba just does a stat() on
the filename and zfs handles the case insensitivity issue, but, there is still
one problem: I cannot change a file name from "foo" to "Foo", it always keeps
the case it had when it was created.
BTW, from a console, a
mv "foo" "Foo"
fails as well with the error that 'foo' and 'Foo' are the same file.
I think that zfs, here, is a little bit too strict in its
caseinsensitivity-ness :)
Creating a filesystem with casesensitivity=mixed does not work either, because,
while the mv test succeeds and I can rename 'foo' to 'Foo', if, for example, a
program looks for (from the samba share) a file named 'MAGA.CDX', but it does
so using 'MAGA.cdx' as its name, it does not find it and this breakes nearly
every DOS/WIN program that I have.
So, the question is: is the casesensitivity=insensitive behaviour of zfs with
regards to the mv foo Foo example correct or do I have to wait for the CIFS
server to reach samba in terms of compatibility with the microsoft world? :)
Best regards.
Maurilio.
PS. Maybe I just stretched samba a little too much, but, for example, Mac OS
X, which is the only other 'unix' derivative (I don't know how to express this
better in english and I hope I'm not upsetting anyone here :) ) which has a
case insensitive but case preservative filesystem can do a mv foo Foo and it
works as 'expected' (by me, at least :) )
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