Re: Another BackupPC Fuse filesystem

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hello friends,

thanks pieter for your effort.

i could run the daemon. but how could i mount a filesystem on this daemon?

best regards,
alex

Pieter Wuille wrote:
> Hello BackupPC devs,
> 
> i've already sent a mail to the users list about this as well, but since
> i see there's been discussion about it here too, i'll mention it here also.
> 
> I've been rewriting (allmost all) parts of Stephen Day's fuse filesystem, to
> add some features and improve performance. You can find the latest version
> here:
> 
>   https://svn.ulyssis.org/repos/sipa/backuppc-fuse/backuppcfs.pl
> 
> Some changes:
> 
> * statefulness
>   * The directory tree is internally cached, which speeds up browsing
>     significantly. It also allows a more dynamic approach to the
>     structure (merging of shares, see further), and re-using dirattrib
>     data (not re-reading it for every file in the same directory).
>     Directory entries in this cache will expire after a certain amount of
>     time, or when errors occur or non-existing entries are requested (cd'ing
>     into a directory that doesn't exist yet in the cache works)
>   * File handles are remembered together with their file position,
>     and reused. This means sequential reads are very fast.
>     As an answer to Jon Craig's mail on Jan 29th: the FUSE documentation
>     states that there will be one "release" call per "open" call, so it
>     is very simple to keep track of the amount of open files, and so far
>     tests of slightly contrived situations involving multiple processes
>     reading from the same file at the same time, show that indeed all
>     file descriptors are closed at the right time.
> * support for character devices/block devices/symlinks/hardlinks
>   * although the linkcount of hardlinked files is still shown as 1
> * support for XferMethods that don't set filetype bits in the mode (like tar)
>   * tested for tar, rsync and rsyncd
> * share merging
>   * all shares for a given host/archive are merged into a single directory
>     structure. Eg. the contents of a '/' share will be shown directly under
>     <mountpoint>/<host>/<archivenum>/, while the contents of a '/usr/local'
>     share will be found onder <mp>/<host>/<archivenum>/usr/local.
>     (Stephen Day's version didn't seem to support /'es inside sharenames -
>     except for '/' itself). In case directory names collide, they will be
>     merged too (eg. having a '/', a '/usr' and '/usr/local' share will work
>     as expected).
> * support for empty files
> * correct showing of incremental backups
> * daemonization (though that suppresses error output, use -f to keep it in
>   forground)
> * correct linkcount for directories (2 + # of subdirs)
> * a latest/oldest symlink to first/last backup for a given host - idea taken
>   from Alex Harrington's version
> * some command-line options
> 
> After some tests/bugfixes and suggestions from Jeffrey on the users list, i 
> think it is pretty stable and usable now. I'd appreciate it if it could be
> tested in more setups (eg. smb shares, strange share/hostnames, other backuppc
> versions (only tested on 3.1), non-linux systems, ...). Of course, bug reports,
> questions, suggestions or feature requests are welcome.
> 
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