How can I manually start fsck? Usually it only starts when power fails... when I try to start manually, it warns me about the device which is mounting. When I try to unmount, it wont work, probably because it is the main disk. Jeroen On Friday 30 April 2004 21:16, Martin Stone wrote: > Sounds like disk problems... but weird ones. Have you fsck'ed lately? > Here's a really WEIRD suggestion... try creating an archive, then creating > another archive, then seeing if you get the same error on the second one... > if there just happens to be a bad spot on the disk where you're trying to > create that archive, the first one will take up the space and the second > one would hopefully be on a cleaner part of the disk. If you get an error > on the second one too, i dunno man... that's pretty weird. Maybe leave > those two archives on the disk and fsck? If there is a file with a bad > block in it (rather than a bad block in free space) I would think fsck > would pick right up on it. > > J.L. Coenders wrote: > > Ok, > > I did more extensive tests now. > > $tar cf - Mail | tvf - > > gives no errors. > > > > $ tar czf - Mail | tar tzvf - > > gives no error either. > > > > For the mail and for other files. > > However, when I start writing to a file, things go wrong: > > $ tar tzvf <archive> > > starts reporting errors and > > $ tar dzf <archive> > > starts reporting differences. > > > > However, when I nfs the files to another computer, I can tar & gzip the > > files, the test reports no errors and the difference test reports no > > differences. > > > > But what is strange is that when I tar & gzip from the other computer > > over the nfs-mount, it starts giving the errors again. > > > > Any ideas? > > Jeroen > > > > On Friday 30 April 2004 16:57, Martin Stone wrote: > >>what happens when you do it without compression? As a test, try: > >> > >>tar cf - Mail | tar tvf - > >> > >>Then, if that works with no problems: > >> > >>tar czf - Mail | tar tzvf - > >> > >>If that works, the only thing left that I can think of is serious disk > >>problems... let me know if those commands report errors or not though... > >> > >>J.L. Coenders wrote: > >>>>Does the corruption happen with different sources to tar/gzip/bzip2? > >>> > >>>I am now testing some other sources. It seems to happen with large > >>> files. > >>> > >>>>Does while archiving in verbose mode appear any error message? > >>> > >>>No, the archiving itself does not give any messages. The testing does. > >>> > >>>>What are the commands you run? > >>> > >>>$ tar cvzf mail.tar.gz Mail > >>>or > >>>$ tar cvjf mail.tar.bz2 Mail > >>> > >>>For the testing I use: > >>>$ tar tvzf mail.tar.gz > >>>or > >>>$ tar tvjf mail.tar.bz2 > >>> > >>>>Compression errors often occurs because of bad/damaged RAM. > >>> > >>>I do not seem to have other problems, which you would expect with bad or > >>>damaged RAM. > >>> > >>>Jeroen