Messages in this thread | | | Date | Thu, 7 Aug 2003 18:25:44 +0400 | From | Oleg Drokin <> | Subject | Re: reiserfs4 |
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Hello!
On Thu, Aug 07, 2003 at 04:23:12PM +0200, Matthias Schniedermeyer wrote: > > > There is sort of "universal" fs convertor for linux that can convert almost > > > any fs to almost any other fs. > > > The only requirement seems to be that both fs types should have read/write support in Linux. > > > http://tzukanov.narod.ru/convertfs/ > > I'm afraid I cannot recommend using this tool. > > A test conversion from reiserfs to ext3 (inside a vmware machine) > > screwed up the data real horrorshow: directory structure seems > > ok but file contents are apparently shifted. > That answers the question that poped up in my mind. > "How does the tool know where the blocks are, and in which order it can > 'move' then without corrupting the data.(*)
Well, there is FIBMAP ioctl that does this.
> Seems it doesn't know it.
It does. And our tests were more succesful, I believe.
> But it is possibel(*2) to do what the programm wants to do, you only > have to find out the order in which you have to copy the blocks to > prevent garbage. That's all the magic.
Sure.
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