Payal Rathod wrote: >Hi, >I was just reading about filesystems and my ideas are a bit confused. >I read quite a few articles on net but still my basic doubts are not >completely clarified. I thought this would be the right place to ask, since >many >journalling gurus might be here. >Can someone tell me do journalling fs maintain journal about the >metadata or the all the data? > > V3 defaults to metadata only, V4 does data also because we can do it without performance loss.
>Also, is it true that now-a-days there is no such thing as inode "block" >since for faster access the inodes are kept near the data itself? > > reiserfs does not use inodes at all. see our website for more. >How is the journal maintained? How is it prevented from being >too big and why are these fs not slower than traditional fs since it >involves an overhead of writing to a journal? > > see website. there is overhead. for v4 it is not a lot though. >And lastly don't the journalling fs give a false sense of security to >the user, saying that the data is written to disk when in reality only an >entry is made in journal and data is still not committed to disk. > > someone else anwered this.... >Thanks a lot for the patience and eagerly waiting for any replies. > >With warm regards, >-Payal > > > > >
