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