[Samba] Existing files don't show up in share, new files do
Rubin Bennett
rbennett at thatitguy.com
Wed May 21 14:25:11 GMT 2008
Ok then my guess is that somehow Samba is reverting to nobody/nogroup or
similar guest permissions. chmod 777 Audio and see what happens?
Rubin
On Wed, 2008-05-21 at 16:09 +0200, Pepijn Schmitz wrote:
> I'm slightly closer to finding the cause of this problem. I set the smbd
> log level to 7 and found the following entries when trying to list the
> contents of the share:
>
> [2008/05/21 15:27:05, 5] smbd/uid.c:change_to_user(273)
> change_to_user uid=(500,500) gid=(0,500)
> [2008/05/21 15:27:05, 3] smbd/trans2.c:call_trans2findfirst(1704)
> call_trans2findfirst: dirtype = 16, maxentries = 1366,
> close_after_first=0, close_if_end = 2 requires_resume_key = 4 level =
> 0x104, max_data_bytes = 16644
> [2008/05/21 15:27:05, 5] smbd/filename.c:unix_convert(147)
> unix_convert called on file "*"
> [2008/05/21 15:27:05, 5] smbd/filename.c:unix_convert(246)
> unix_convert begin: name = *, dirpath = , start = *
> [2008/05/21 15:27:05, 5] smbd/trans2.c:call_trans2findfirst(1769)
> dir=./, mask = *
> [2008/05/21 15:27:05, 5] smbd/dir.c:dptr_create(392)
> dptr_create dir=./
> [2008/05/21 15:27:05, 3] smbd/dir.c:dptr_create(515)
> creating new dirptr 256 for path ./, expect_close = 1
> [2008/05/21 15:27:05, 4] smbd/trans2.c:call_trans2findfirst(1837)
> dptr_num is 256, wcard = *, attr = 22
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1255)
> get_lanman2_dir_entry found ./. fname=.
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1255)
> get_lanman2_dir_entry found ./.. fname=..
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./Audio] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat
> [./DIRK_GENTLY'S_HOLISTIC_DETECTIVE_AGENCY.TXT] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./Foto's] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat
> [./HITCHHIKER'S_GUIDE_TO_THE_GALAXY.TXT] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./LAST_CHANCE_TO_SEE.TXT]
> (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./Martijn] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./MOSTLY_HARMLESS.TXT] (Permission
> denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./recycled] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat
> [./RESTAURANT_END_OF_THE_UNIVERSE.TXT] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./STARSHIP_TITANIC.TXT]
> (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./temp] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./Video] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./YOUNG_ZAPHOD_PLAYS_IT_SAFE.TXT]
> (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./Fotos] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./.Trash-pepijn] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./.Trash-500] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./volumeid.zbx] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1221)
> get_lanman2_dir_entry:Couldn't stat [./XXX] (Permission denied)
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1255)
> get_lanman2_dir_entry found ./test.txt fname=test.txt
> [2008/05/21 15:27:05, 5] smbd/trans2.c:get_lanman2_dir_entry(1255)
> get_lanman2_dir_entry found ./test2.txt fname=test2.txt
> [2008/05/21 15:27:05, 5] smbd/trans2.c:call_trans2findfirst(1890)
> call_trans2findfirst - (2) closing dptr_num 256
> [2008/05/21 15:27:05, 4] smbd/dir.c:dptr_close_internal(238)
> closing dptr key 256
>
> The "Permission denied"s correspond exactly to the files and directories
> that are missing. As you can see, it somehow can't stat (whatever that
> is) the existing files, but it can the new files. Which is bizarre,
> since their permissions are the same. We need a real Samba internals
> guru. What exactly is it trying to stat, and how is it possible for that
> to succeed for some files but fail for others while having the same
> permissions?
>
> Kind regards,
> Pepijn Schmitz
>
> Rubin Bennett wrote:
> > Unless I missed it there was no further discussion of ACLs?
> >
> > Run mount on the linux box and look to see if that filesystem is mounted
> > with the acl option. If it was, you can either remountit without ACLs
> > or reset the ACLs on the filesystem.
> >
> > Run getfacl on the directory and see if there's anything out of bounds
> > there; that's quite frankly the only thing I can think of that would
> > cause this behaviour. Disappearing files have *always* been due to a
> > mismatch between Samba permissions and those set by the underlying
> > filesystem in my experience (10+ years of Samba and counting). Not to
> > say that it's impossible you've found something new and different, but
> > statistics say it's very likely a permissions/ acl issue.
> >
> > HTH,
> > Rubin
> >
> >
> > On Wed, 2008-05-21 at 09:11 -0400, Jason Waters wrote:
> >
> >> What about settings windows to view hidden files and system files. Do
> >> they show up then?
> >>
> >> Jason Waters
> >>
> >>
> >> -----Original Message-----
> >> From: samba-bounces+jwaters=h2os.com at lists.samba.org
> >> [mailto:samba-bounces+jwaters=h2os.com at lists.samba.org] On Behalf Of
> >> Greene, Joe
> >> Sent: Wednesday, May 21, 2008 8:42 AM
> >> To: samba at lists.samba.org
> >> Subject: RE: [Samba] Existing files don't show up in share, new files do
> >>
> >>
> >> His directory is already 777 and the 500 is the UID of pepijn on the
> >> serve unless I miss my guess. I also had him check all permissions on
> >> the directories above it to make sure they were at least 755 and they
> >> were. BTW Pepijn, you might want o make sure that your userid is the
> >> same on
> >> all of your linux boxes.. just check /etc/passwd to make sure username
> >> Pepijn is userid 500, then on any system you have to change it, I
> >> recommend running (as root) 'find / -user <olduid> -exec chown 500 {}
> >> \;'
> >> This may or may not have any affect on this problem. also check the
> >> usermapping, maybe there is something there.
> >> Joe Greene
> >> UNIX Systems Administrator
> >> Phone 317-707-2730
> >> Fax 317-707-2397
> >> Hours M-F 7am-4pm
> >>
> >> -----Original Message-----
> >> From: samba-bounces+joe.greene=brightpoint.com at lists.samba.org
> >> [mailto:samba-bounces+joe.greene=brightpoint.com at lists.samba.org] On
> >> Behalf Of Jason Waters
> >> Sent: Wednesday, May 21, 2008 8:09 AM
> >> To: samba at lists.samba.org
> >> Subject: RE: [Samba] Existing files don't show up in share, new files do
> >>
> >>
> >> Let's see if it's permissions(which is what I think it is). chmod 777 *
> >> in that directory and then see if it works. Then we can figure out what
> >> went on. The uid of 500 of the new file seems strange.
> >>
> >>
> >>
> >> Jason Waters
> >>
> >>
> >>
> >> From: Pepijn Schmitz [mailto:samba at chaos.demon.nl] Sent: Wednesday,
> >> May 21, 2008 7:56 AM
> >> To: Jason Waters
> >> Cc: samba at lists.samba.org
> >> Subject: Re: [Samba] Existing files don't show up in share, new files do
> >>
> >>
> >>
> >> Jason Waters wrote:
> >> What parameters are set on the share? Anything like map system, map
> >> hidden?
> >>
> >> This is the share definition:
> >>
> >> [multimedia]
> >> comment = Multimedia Files
> >> path = /mnt/data/multimedia
> >> public = yes
> >> writable = yes
> >> printable = no
> >> write list = pepijn
> >>
> >> So no map system or map hidden. I should also note that neither the
> >> share
> >> definition nor the contents of the directory have changed. The only
> >> thing
> >> that happened was that the server, which used to be my router and
> >> firewall
> >> also, is now only a file server and no longer has a static IP address.
> >>
> >>
> >>
> >> Are you using ACL's?
> >>
> >> I don't think so. How can I tell?
> >>
> >>
> >>
> >> What about giving us an ls -l of a
> >> directory that isn't showing files.
> >>
> >> Here's the ouput of ls -al on /mnt/data/multimedia:
> >>
> >> total 2260
> >> drwxrwxrwx 11 pepijn pepijn 4096 2008-05-17 14:13 .
> >> drwxr-xr-x 10 root root 4096 2008-05-16 19:58 ..
> >> drwxr-xr-x 6 pepijn pepijn 4096 2008-05-17 14:16 Audio
> >> -rw-rw-r-- 1 pepijn pepijn 468919 2004-09-18 08:40
> >> DIRK_GENTLY'S_HOLISTIC_DETECTIVE_AGENCY.TXT
> >> lrwxrwxrwx 1 pepijn pepijn 6 2005-01-17 22:13 Fotos -> Foto's
> >> drwxrwxr-x 41 pepijn pepijn 4096 2008-03-15 23:27 Foto's
> >> -rw-rw-r-- 1 pepijn pepijn 292097 2004-09-18 08:40
> >> HITCHHIKER'S_GUIDE_TO_THE_GALAXY.TXT
> >> -rw-rw-r-- 1 pepijn pepijn 396618 2004-09-18 08:40
> >> LAST_CHANCE_TO_SEE.TXT
> >> drwxrwxr-x 4 pepijn pepijn 4096 2002-07-01 02:32 Martijn
> >> -rw-rw-r-- 1 pepijn pepijn 372140 2004-09-18 08:40 MOSTLY_HARMLESS.TXT
> >> drwxrwxr-x 2 pepijn pepijn 4096 2002-03-31 04:48 recycled
> >> -rw-rw-r-- 1 pepijn pepijn 333862 2004-09-18 08:40
> >> RESTAURANT_END_OF_THE_UNIVERSE.TXT
> >> -rw-rw-r-- 1 pepijn pepijn 296645 2004-09-18 08:40 STARSHIP_TITANIC.TXT
> >> drwxrwxr-x 2 pepijn pepijn 4096 2004-11-28 17:00 temp
> >> -rwxr--r-- 1 pepijn pepijn 5 2008-05-17 14:13 test2.txt
> >> -rwxr--r-- 1 pepijn pepijn 6 2008-05-17 14:08 test.txt
> >> drwx------ 4 pepijn pepijn 4096 2005-07-02 16:17 .Trash-500
> >> drwx------ 2 pepijn pepijn 4096 2005-04-02 13:54 .Trash-pepijn
> >> drwxrwxr-x 10 pepijn pepijn 4096 2008-03-15 23:31 Video
> >> -r-xr--r-- 1 pepijn pepijn 80 2005-07-10 19:07 volumeid.zbx
> >> drwxr-xr-x 4 pepijn pepijn 4096 2007-12-07 22:15 XXX
> >> -rw-rw-r-- 1 pepijn pepijn 24247 2004-09-18 08:40
> >> YOUNG_ZAPHOD_PLAYS_IT_SAFE.TXT
> >>
> >> When I mount the share on another Linux system using this command:
> >>
> >> sudo mount -t cifs -o user=pepijn //10.0.0.163/multimedia roadrunner/
> >>
> >> And then perform an ls -al in the roadrunner directory the output is as
> >> follows:
> >>
> >> total 2052
> >> drwxrwxrwx 11 500 500 0 2008-05-17 14:13 .
> >> drwxr-xr-x 22 pepijn pepijn 4096 2008-05-21 13:50 ..
> >> -rwxr--r-- 1 500 500 5 2008-05-17 14:13 test2.txt
> >> -rwxr--r-- 1 500 500 6 2008-05-17 14:08 test.txt
> >>
> >> As you can see it only show the two test files I created since this
> >> problem started.
> >>
> >>
> >>
> >> Is it just files or does it happen to
> >> folders too.
> >>
> >> It happens with both.
> >>
> >> Kind regards,
> >> Pepijn Schmitz
> >>
> >>
> >>
> >>
> >> Jason Waters
> >>
> >>
> >> -----Original Message-----
> >> From: samba-bounces+jwaters=h2os.com at lists.samba.org
> >> [mailto:samba-bounces+jwaters=h2os.com at lists.samba.org] On Behalf Of
> >> Pepijn Schmitz
> >> Sent: Wednesday, May 21, 2008 7:38 AM
> >> To: samba at lists.samba.org
> >> Subject: Re: [Samba] Existing files don't show up in share, new files do
> >>
> >> *Bump*
> >>
> >> Does this ring a bell with anyone? I'm still at a loss and so it
> >> seems is everyone else... :-)
> >>
> >> In short: on one of my existing Samba 3.0 shares (Linux server, ext3
> >> filesystem) all existing files have suddenly become invisible, but it is
> >>
> >> still possible to create, modify and delete new files (and I see no
> >> differences between these new files and the existing ones). This happens
> >>
> >> with Windows XP, Windows Vista, Linux CIFS and Linux smclient
> >> clients, so it is likely to be a server problem. I'm stuck and I'm
> >> hoping a bright mind from this list will be able to help!
> >>
> >> Kind regards,
> >> Pepijn Schmitz
> >>
> >> Pepijn Schmitz wrote:
> >>
> >> I found out this bizarre problem also occurs when I mount the share
> >> from another Linux system, so it does not appear to be related to
> >> Windows.
> >>
> >> To recap: one of my Samba shares suddenly mysteriously hides all
> >> existing files, while still working completely normally with any
> >> newly created files.
> >>
> >> The shared directory (/mnt/data/multimedia) looks like this:
> >>
> >> drwxrwxrwx 11 pepijn pepijn 4096 2008-05-17 14:08 .
> >> drwxr-xr-x 10 root root 4096 2008-05-16 19:58 ..
> >> drwxr-xr-x 6 pepijn pepijn 4096 2006-07-02 15:49 Audio
> >> lrwxrwxrwx 1 pepijn pepijn 6 2005-01-17 22:13 Fotos -> Foto's
> >> drwxrwxr-x 41 pepijn pepijn 4096 2008-03-15 23:27 Foto's
> >> drwxrwxr-x 4 pepijn pepijn 4096 2002-07-01 02:32 Martijn
> >> drwxrwxr-x 2 pepijn pepijn 4096 2002-03-31 04:48 recycled
> >> drwxrwxr-x 2 pepijn pepijn 4096 2004-11-28 17:00 temp
> >> -rwxr--r-- 1 pepijn pepijn 6 2008-05-17 14:08 test.txt
> >> drwx------ 4 pepijn pepijn 4096 2005-07-02 16:17 .Trash-500
> >> drwx------ 2 pepijn pepijn 4096 2005-04-02 13:54 .Trash-pepijn
> >> drwxrwxr-x 10 pepijn pepijn 4096 2008-03-15 23:31 Video
> >> -r-xr--r-- 1 pepijn pepijn 80 2005-07-10 19:07 volumeid.zbx
> >> drwxr-xr-x 4 pepijn pepijn 4096 2007-12-07 22:15 XXX
> >>
> >> When I mount the share on another Linux system using mount -t cifs,
> >> the contents look like this:
> >>
> >> drwxrwxrwx 11 500 500 0 2008-05-17 14:08 .
> >> drwxr-xr-x 4 root root 4096 2008-05-17 14:06 ..
> >> -rwxr--r-- 1 500 500 6 2008-05-17 14:08 test.txt
> >>
> >> The test.txt is a file I created since this problem started and as
> >> you can see it's the only one visible. I can change its contents on
> >> the file server and see the changes on the client. I can manipulate
> >> the file on the client, even create new files, it all works
> >> perfectly. But I can't see any of the existing files or directories.
> >> It's utterly bizarre to me.
> >>
> >> I tried using smbclient, and it displays the same behaviour, so it
> >> really looks like the problem is on the server side. I tried
> >> "touch"ing the existing directories but that made no difference either.
> >>
> >> Does anyone know what might cause this strange behaviour?
> >>
> >> Kind regards,
> >> Pepijn Schmitz
> >>
> >> Pepijn Schmitz wrote:
> >>
> >> I am suddenly no longer able to see any existing files on one of my
> >> shares, from my Windows clients.
> >>
> >> I have a Linux server (Fedora Core 8) which used to be my firewall and
> >> router as well as file and print server. There are two Samba shares on
> >> it I have mounted on various Windows clients: my home directory and a
> >> multimedia directory with my music and videos, etc. I mount the former
> >> as H: on all my Windows machines and the latter as M:.
> >>
> >> Recently I installed a new server to be router and firewall. I kept the
> >> existing server as file server though, only it now no longer has a
> >>
> >> fixed
> >>
> >> IP address, and it is no longer configured to be be the master browser.
> >>
> >> Since this change, my Windows clients no longer see the existing files
> >> on the multimedia share! Some strange features of the problem are:
> >>
> >> * It occurs on my Windows Vista Home Premium 64-bit machine, as well as
> >> on my Windows XP SP2 machine, in exactly the same way.
> >> * My home directory share doesn't have the problem, I can still see all
> >> the existing files there.
> >> * There are no errors connecting to the share from the Windows side,
> >>
> >> nor
> >>
> >> do I see strange things in the logs on the file server.
> >> * I can still create new files on the share from Windows! The new file
> >> will show up locally on the file server (as verified by logging in with
> >> SSH and checking the shared directory), and my other Windows client
> >>
> >> will
> >>
> >> see the new file as well.
> >> * I can also create new files locally on the file server, and these
> >>
> >> will
> >>
> >> also show up on the Windows clients.
> >> * I can see no difference between the existing files and any new files
> >> created locally or through a Windows client. The file permissions are
> >> all the same.
> >> * The only difference between the two shares is that my home directory
> >> is on the root filesystem (ext3) and the multimedia share
> >> (/mnt/data/multimedia) is on a mounted ext3 file system (/mnt/data).
> >>
> >> But
> >>
> >> this hasn't changed!
> >> * While googling the problem I found some references to a "directory
> >> name cache size" option which might be related, so I added a "directory
> >> name cache size = 0" to my smb.conf, but that made no difference.
> >>
> >> I've attached my smb.conf (I've removed all the comments for brevity).
> >> I'll provide any log, trace or debug info if someone tells me how to.
> >> Hopefully somebody here can help me!
> >>
> >> Kind regards,
> >> Pepijn Schmitz
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> --
> >> To unsubscribe from this list go to the following URL and read the
> >> instructions: https://lists.samba.org/mailman/listinfo/samba
> >> --
> >> To unsubscribe from this list go to the following URL and read the
> >> instructions: https://lists.samba.org/mailman/listinfo/samba
> >>
>
--
Rubin Bennett
RB Technologies
http://thatitguy.com
rbennett at thatitguy.com
(802)223-4448
"They that can give up essential liberty to obtain a little
temporary security deserve neither liberty nor safety"
--Benjamin Franklin, Historical Review of Pennsylvania, 1759
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