Re: hdup2 issues
DJB <usrlocalinfo-/[email protected]> Tue, 03 May 2005 15:08:31 -0500
| Newsgroups | gmane.comp.sysutils.backup.hdup.general |
|---|---|
| Message-ID | <[email protected]> |
Miek Gieben wrote: > [On 03 May, @18:06, Robert Haskins wrote in "Re: [hdup-user] Re: hdup2 issu ..."] > >>Let's "back up" a bit here. Would the python interface be *required*, or > > > ghe :-) > > >>would it be optional for those that want to use it? It would make much >>more sense to me to have it as an option, so I can have my desktop users >>run it that way if they want to but also have the CLI for servers that >>don't have graphical interfaces. > > > I'm not planning anything graphical and after yesterday I sort of > abandoned the whole python idea. > > As I had some time today I decided to check out 'dar'. Impressive tool > I must say. If had known about this tool a couple of years ago I might > not even have started hdup. It does a lot of things gnu tar can't (do > good); such a slices (chunks in hdup), it has some lousy encryption > and it also appears to have a remote backup/restore capability. So far > so good... > > But there are also some things that are lacking. Hdup2 now has the > .nobackup stuff, with 'dar' I can try to fake this, but it looks > difficult to do. Also the include/exclude stuff uses the good old > globbing patterns - which I just kicked out hdup. But the main thing > is that 'dar' cannot use a filelist with files that should be backed > up. (There looks to be some support for this in the latest versions, > but this doesn't help hdup now). > > Basicly what hdup needs is a tar like backup tool, that > - generates a tar file > - can read a file with filenames and backs up everything in > that list. > - create incremental dumps > > All tar like backup programs I look at (star, gnu tar, cpio, dar, libtar, > ...) can do a subset of these things, but not all. The one that comes > closests(?) is gnu tar, and that one has that annoying bug in it. > > So, basicly, the best thing to do IMO is: > > #1 fix gnu tar and see if I can get the patch into gnu tar. If that > fails try to push it to Debian. That means maintaining 2 slightly > different version of hdup2, but it can be done. > > #2 and maybe pull out the restore capability and create 2 tools, > hdup2-dump and hdup2-restore. But unless this yields some MAJOR > benefits for the hdup maintenance, it won't be done/released. > > Any comments? > > -- > grtz, > - Miek > > http://www.miek.nl http://www.nlnetlabs.nl > PGP Key ID: 0xB18453A1 > fingerprint: 002B B079 0DDA 7D44 2B5C CAB0 C3B7 F943 B184 53A1 > Is there a potential shorter-term solution? For example, is there a workaround or extra hdup-related util or quickfix that can help us deal with the annoying bug until it is more properly fixed?