diff options
Diffstat (limited to 'source3/modules/README-gpfs-acl.txt')
| -rw-r--r-- | source3/modules/README-gpfs-acl.txt | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/source3/modules/README-gpfs-acl.txt b/source3/modules/README-gpfs-acl.txt new file mode 100644 index 0000000..49f3259 --- /dev/null +++ b/source3/modules/README-gpfs-acl.txt @@ -0,0 +1,82 @@ +This patch has been taken against SAMBA_3_0 Release 20028. + +The patch basically moves the GPFS-ACL functionalities into the new GPFS VFS module( vfs_gpfs ). + +Please read SAMBA_3_0/source/modules/README.nfs4acls.txt - generalised README file on Samba support for NFS4-ACLS. +This README file is specific for GPFS only. + +Configuring GPFS ACL support +=============================== + +Binary: (default install path is [samba]/lib/vfs/) +- gpfs.so + +Its compiled by default, no additional configure option needed. + +To enable/use/load this module, include "vfs objects = gpfs" in the smb.conf file under concerned share-name. + +Example of smb.conf: + +[smbtest] +path = /gpfs-test +vfs objects = gpfs +nfs4: mode = special +nfs4: chown = yes +nfs4: acedup = merge + +Adding "vfs objects = gpfs" to a share should be done only in case when NFS4 is really supported by the filesystem. +(Otherwise you may get performance loss.) + +================================================== +Below are some limitations listed for this module: +================================================== +1. When a child file or child directory is created, the results are a bit different from windows as specified below: + +Eg: Prent directory is set to have 2 ACES - full access for owner and everyone + +Default ACL for Windows: 2 aces: allow ACE for owner and everyone +Default ACL for GPFS: 6 aces: allow and deny ACEs for owner, group and everyone + +The below mentioned inheritance flags and its combinations are applied only to the owner ACE and not to everyone ACE + +"fi"------>File Inherit +"di"------>Directory Inherit +"oi"------>Inherit Only + + +Parent dir: no inheritance flag set + Windows: index=0: GPFS(special mode): index=0: GPFS(simple mode): index=0: +child File: default acl: 2 aces child file: default acl: 6 aces child file: default acl: 6 aces +child dir: default acl: 2 aces child dir: default acl: 6 aces child dir: default acl: 6 aces + + +Parent dir: "fi" flag set + Windows: index=1: GPFS(special mode): index=1: GPFS(simple mode): index=1: +child file: no flag set child file: "fi" flag set child file: default acl: 6 aces +child dir: "fioi" flag set child dir: "fi" flag set child dir: "fi" flag set + + +Parent dir: "di" flag set + Windows: index=2: GPFS(special mode): index=2: GPFS(simple mode): index=2: +child file: default acl: 2 aces child file: default acl: 6 aces child file: default acl: 6 aces + + +Parent dir: "fidi" flag set + Windows: index=3: GPFS(special mode): index=3: GPFS(simple mode): index=3: +child file: no flag set child file: "fidi" flag set child file: default acl: 6 aces + + +Parent dir: "fioi" flag set + Windows: index=4: GPFS(special mode): index=4: GPFS(simple mode): index=4: +child file: no flag set child file: "fi" flag set child file: default acl: 6 aces +child dir: "fioi" flag set child dir: "fi" flag set child dir: "fi" flag set + + +Parent dir: "dioi" flag set + Windows: index=5: GPFS(special mode): index=5: GPFS(simple mode): index=5: +child file: default acl: 2 aces child file: default acl: 6 aces child file: default acl: 6 aces + + +Parent dir: "fidioi" flag set + Windows: index=6: GPFS(special mode): index=6: GPFS(simple mode): index=6: +child file: no flag set child file: "fidi" flag set child file: default acl: 6 aces |