Hello, I administrate a modest network of 12 Mac (os x 10.3.3) and PC clients (win xp) connecting to a Samba server running Redhat enterprise Linux 3 and Samba 3.0.2 We just recently switched to this configuration from a Win2000 file server running SMB and AFP that did not have any of the issues I list below. My OS X users are running into occasional yet persistent problems saving files to the samba shares. Here's a list: 1) File date modified times are not updated when a file is changed and saved, unless the file is saved using "Save As" (Photoshop CS) 2) Sometimes after working on a file (having opened it from the server), you cannot save it back to the share. (Quark 6, Indesign CS, Photoshop CS) 3) Sometimes a user cannot open or save a file. The solution in this case is to remove the resource forks (._*) files. Vetoing these files by default causes permission problems with the OS X machines. I'm using ext3's acl support to handle permissions and that seems to work fine. Here's my smb.conf file. As you can see, I've tried a lot of different things after reading this lists archives and googling for a few weeks. dos filetimes = yes #dos filetime resolution = yes dos filemode = yes # Should help with weird mac characters unix charset = UTF8 dos charset = ASCII unicode = yes # prevent resource forks #veto files = /._*/ #delete veto files = yes log level = 4 socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 [Production] path = /home/shares/Production writeable = yes invalid users = %S oplocks = false level2 oplocks = false dos filetimes = yes Any insight would be welcome, Thanks. -km
Karl Meisterheim
2004-Apr-13 18:34 UTC
[Samba] Resolved? OS 10.3.3 client File saving problems
Hello, After doing a lot of research and having a consultant come out, we tracked the problems down to two causes. 1) I was using ACL's on an ext3 partition and they were not being honored. Excel in particular, when saving deletes the file and recreates it, but the permissions were never set correctly even though the default ACL's and Mask were set up. I'm not sure if this is a samba issue or the mac cifs client, since I don't know enough to know what each piece can and cannot control. 2) The Mac cifs client was keeping a lock on resource forks ( ._ files) even after the files were closed. The locks were only being released when the mac users ejected the network drive. An easy test case for this was to have two users logged in. With user A, open and save an excel spreadsheet and then close it. With user B open the same sheet, save it, and close it. With user A, reopen the same sheet and save it. The Mac will get the dreaded pin wheel while the samba logs show NT_STATUS_SHARING_VIOLATION followed by a bunch of NT_STATUS_NO_SUCH_FILE errors. My thinking here is that excel deletes the file and then tries to recreate it, but for some reason, the resource fork for the file is now open twice, by user B and A, (even though B has closed the file) and this causes the resave to fail. Excel then saves it to a random file name and gives an error. So now for the fix: I stumbled across DAVE, www.thursby.com It's a replacement for Mac OS cifs client. So far, it's working beautifully. Resource forks are not held open forever, file change times are updated correctly... I have it on all 12 OS X machines here starting earlier today, so we'll see how it goes. To all those other OS X people, good luck! -km On Tue, 2004-04-06 at 12:28, Karl Meisterheim wrote:> Hello, > > I administrate a modest network of 12 Mac (os x 10.3.3) and PC clients > (win xp) connecting to a Samba server running Redhat enterprise Linux 3 > and Samba 3.0.2 > > We just recently switched to this configuration from a Win2000 file > server running SMB and AFP that did not have any of the issues I list > below. > > My OS X users are running into occasional yet persistent problems saving > files to the samba shares. Here's a list: > > 1) File date modified times are not updated when a file is changed and > saved, unless the file is saved using "Save As" (Photoshop CS) > > 2) Sometimes after working on a file (having opened it from the server), > you cannot save it back to the share. (Quark 6, Indesign CS, Photoshop > CS) > > 3) Sometimes a user cannot open or save a file. The solution in this > case is to remove the resource forks (._*) files. Vetoing these files > by default causes permission problems with the OS X machines. > > I'm using ext3's acl support to handle permissions and that seems to > work fine. > > Here's my smb.conf file. As you can see, I've tried a lot of different > things after reading this lists archives and googling for a few weeks. > > dos filetimes = yes > #dos filetime resolution = yes > dos filemode = yes > # Should help with weird mac characters > unix charset = UTF8 > dos charset = ASCII > unicode = yes > # prevent resource forks > #veto files = /._*/ > #delete veto files = yes > log level = 4 > socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 > > [Production] > path = /home/shares/Production > writeable = yes > invalid users = %S > oplocks = false > level2 oplocks = false > dos filetimes = yes > > > Any insight would be welcome, > > Thanks. > > -km-- Karl Meisterheim The Journal of Clinical Investigation 734-222-6050 x108 kmeister@the-jci.org
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