1VFS_TSMSM(8)              System Administration tools             VFS_TSMSM(8)
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NAME

6       vfs_tsmsm - VFS module for handling offline files with Tivoli Storage
7       Manager Space Management
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SYNOPSIS

10       vfs objects = tsmsm
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DESCRIPTION

13       This VFS module is part of the samba(7) suite.
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15       The tsmsm VFS module is an extension for handling offline files with
16       Tivoli Storage Manager Space Management.
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18       It tries to avoid calling expensive DMAPI calls with some heuristics
19       based on the fact that number of blocks reported of a file multiplied
20       by 512 will be bigger than ´online ratio´ of actual size for online
21       (non-migrated) files. If heuristic check fails, the module calls DMAPI
22       and asks for a specific attribute which is present for offline
23       (migrated) files. If this attribute presents, the file is considered
24       offline.
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26       This module is not stackable.
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OPTIONS

29       tsmsm:hsm script = [ path to hsm script ]
30           hsm script should point to a shell script which accepts two
31           arguments: operation and filepath. the tsmsm module only uses
32           "offline" for operation to set the file under filepath offline.
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34       tsmsm:online ratio = [ number ]
35           Ratio to check reported size against actual file size. The default
36           value is 0.5.
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38       tsmsm:dmapi attribute = [ attribute-name ]
39           Name of a DMAPI attribute that is present when a file is offline.
40           The default is "IBMobj" (which is what GPFS uses).
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42       tsmsm:dmapi value = [ value for the DMAPI attribute ]
43           Value that the DMAPI attribute should have for the file to be
44           considered offline. The default is empty (no value required).
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EXAMPLES

47       A GPFS mount with TSM support can be exported via Samba as follows:
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49                   [gpfs_tsm_share]
50                vfs objects = tsmsm gpfs
51                path = /test/gpfs_mount
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VERSION

54       This man page is correct for version 4.0 of the Samba suite.
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AUTHOR

57       The original Samba software and related utilities were created by
58       Andrew Tridgell. Samba is now developed by the Samba Team as an Open
59       Source project similar to the way the Linux kernel is developed.
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63Samba 4.2                         06/19/2018                      VFS_TSMSM(8)
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