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I only do fsck's on unmounted file systems. My periodic forced file system checks are a manual process where I have to reboot the system in a special configuration so that processes which use the disk are start started and I can safely unmount the volume. The volume is actually a raid 5 array of seven 1 terabyte sized disks. I've done a little reading on ext4 file system and it seems that ext4 would be the way to go, but I'm getting a bit of the jitters with the errors I'm seeing on the file system. There are no hardware errors being reported to /var/log/messages thus making me think I'm tripping over an ext4 bug. anyone out there have experience with a 6 terabyte sized file system or more and ext4? Cheers. Steve. On 12/24/2009 02:39 PM, Jerry Feldman wrote: > I hope that you are doing your fsck (assume fsck.ext4) on an unmounted > file system. If you allow fsck to fix a mounted file system, you are > asking for trouble. The ONLY time fsck should be run on a mounted file > system is on root, and when it is mounted readonly. > > Basically, I think that the Fedora 12 version of ext4 has been well > tested (read some prior Jarod Wilson posts). > > I also assume that you are using either LVM or RAID0 striping. > > > On 12/24/2009 01:11 PM, Stephen Adler wrote: > >> Hello all (and merry holidays!) >> >> I'm playing around with a 6 terabyte partition I put together which has >> an ext4 file system mapped onto it. In order to make sure its working >> well, I do periodic forced file system checks. I assume that if a file >> system is working well, and the underlying hardware, I should be able to >> run fsck -f as many times as I want and it should pass each time. Well, >> with this particular file system, on the first fsck -f I performed on >> it, a few errors were found which I fixed. I then re-ran fsck -f and it >> went through with no errors. I then ran it again, and it found a bunch >> of errors. I ran it again, and it found more errors. All the errors its >> found I've fixed, but I'm getting a bit worried that ext4 is not ready >> for prime time. I'm running fedora 12, with all its patches. I know ext4 >> made its debut in fedora 11. >> >> Should I bite the bullet and reformat the disk as ext3? Can ext3 handle >> a 6 terabyte file system (I think it can...) Are the advantages of ext4 >> such that it makes sense to try and keep the file system at ext4? >> >> >> > > > > _______________________________________________ > Discuss mailing list > Discuss-mNDKBlG2WHs at public.gmane.org > http://lists.blu.org/mailman/listinfo/discuss >
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