Samba + HSM
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From: Alexander Födisch on 22 Feb 2010 10:20 thank you Volker! I did compile samba with "--with-shared-modules=vfs_tsmsm". Is it sufficient to copy the tsmsm.so to /usr/lib64/samba/vfs/ on the productiv system? I could not found a documentation of this VFS module, just in the source code itself: /* This VFS module accepts following options: tsmsm: hsm script = <path to hsm script> (default does nothing) hsm script should point to a shell script which accepts two arguments: <operation> <filepath> where <operation> is currently 'offline' to set offline status of the <filepath> tsmsm: online ratio = ratio to check reported size against actual file size (0.5 by default) tsmsm: attribute name = name of DMAPI attribute that is present when a file is offline. Default is "IBMobj" (which is what GPFS uses) The TSMSM VFS module tries to avoid calling expensive DMAPI calls with some heuristics based on the fact that number of blocks reported of a file multiplied by 512 will be bigger than 'online ratio' of actual size for online (non-migrated) files. If checks fail, we call DMAPI and ask for specific attribute which present for offline (migrated) files. If this attribute presents, we consider file offline. */ Is anybody using this module? I would be very grateful for an example of the hsm-script. Thanks Alex Volker Lendecke schrieb: > On Wed, Feb 17, 2010 at 01:43:09PM +0100, Alexander Födisch wrote: >> were can I get this vfs module? I could not find any >> donwload link or documentation. > > It comes with Samba 3.4 automatically. You might have to > enable compiling it explicitly with > > --with-shared-modules=vfs_tsmsm > > Volker -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba |