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Samba on AIX, issues setting read-only flag on files?

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Hello,

I am having issues setting the "read-only" flag via Windows Explorer on my AIX Samba share...

I have on my AIX 7.1 system installed Samba 3.6.24 and configured, joined to our Windows domain successfully.

In my smb.conf I have...

Code:

[global]

  workgroup = WEST
  realm = west.mydomain.com
  netbios name = van-xxxx
  server string =
  load printers = no
  admin users = "VANXX\Administrator"
  log level = 3
  log file = /var/log/samba/%m.log
  max log size = 50
  security = ADS
  password server = dc01.west.mydomain.com, dc02.west.mydomain.com
  encrypt passwords = yes
  guest ok = no
  auth methods = winbind
  socket options = TCP_NODELAY
  interfaces = 172.xxx.xxx.xxx/22
  bind interfaces only = yes
  local master = no
  os level = 33
  domain master = no
  preferred master = no
  wins support = no
  wins server = xxx.xxx.xxx.xxx
  wins proxy = no
  dns proxy = no
  idmap uid = 5000-10000000
  idmap gid = 5000-10000000
  template homedir = /home/%U
  template shell = /bin/bash
  winbind use default domain = Yes
  winbind nested groups = Yes
  client use spnego = yes
  client signing = yes

[usr3]
  comment = usr3
  path = /usr3
  read only = No
  inherit permissions = Yes
  nt acl support = Yes
  printable = No
  guest ok = No
  veto oplock files = /*.log/

Inside /usr3 I have a folder..
Quote:

drwxrwxrwx 17 root system 12288 Mar 30 11:23 appsrv
Inside the appsrv folder I have a file..
Quote:

-r-xr--r-- 1 rober usr 111 Mar 30 10:50 BradTest.p
On my Windows 7 machine I can browse to \\van-xxxxx\usr3 and I can go inside the appsrv directory and open/edit the BradTest.p file, and create other files in this directory, etc...

I am debugging with a single file named "BradTest.p", its permissions are as follows...

Code:

# stat BradTest.p
  File: 'BradTest.p'
  Size: 111            Blocks: 8          IO Block: 4096  regular file
Device: 2e0001h/3014657d        Inode: 73597      Links: 1
Access: (0766/-rwxrw-rw-)  Uid: ( 1165/  rober)  Gid: (  100/    usr)


The BradTest.p file is owned by another user "rober", which is an Active Directory user-id.

If I login to a Windows 7 machine as "rober" I can browse to the above file and set the read-only flag. If I login to the Windows 7 computer as another user such as "mirte", I can edit the file but I cannot change the read-only flag I get an access denied error message.

Both users belong to the "usr" group, so why can't I logged in as mirte change the read-only flag on the file owned by rober? I can "chown mirte BradTest.p" and then i can modify the read-only flag.

If logged into the computer as "mirte" and creating a dummy file called "testing'txt" in the Samba share, we can see the AD to UNIX userid mapping are working fine because the file created is owned by my user-id and the "usr" group...

Code:

# stat testing.txt
  File: 'testing.txt'
  Size: 0              Blocks: 0          IO Block: 4096  regular empty file
Device: 2e0001h/3014657d        Inode: 74877      Links: 1
Access: (0766/-rwxrw-rw-)  Uid: (  205/  mirte)  Gid: (  100/    usr)

I can then set the read-only flag, and when I stat the file again we see..

I can then right click and properties this file and set the read-only flag and we see the permission change reflected below...

Code:

# stat testing.txt
  File: 'testing.txt'
  Size: 0              Blocks: 0          IO Block: 4096  regular empty file
Device: 2e0001h/3014657d        Inode: 74877      Links: 1
Access: (0544/-r-xr--r--)  Uid: (  205/  mirte)  Gid: (  100/    usr)

What I need to be able to do is as another developer check out a file by setting a read-only flag on it even if it is not owned by me, this previously worked for us prior to migrating to a newer system with a newer samba build (old system had samba 3.5.8, new system has 3.6.24).

I am stumped as to how I could resolve this.. anyone able to point me to the right direction?

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