lkml.org 
[lkml]   [2004]   [Jan]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [Jfs-discussion] md raid + jfs + jfs_fsck
    On Wed, Jan 28, 2004 at 10:24:14AM +0100, venom@sns.it wrote:
    >
    >
    > On Tue, 27 Jan 2004, Christoph Hellwig wrote:
    > >
    > > Yes, it does. But JFS should get the right size from the gendisk anyway.
    > > Or did you create the raid with the filesystem already existant? While that
    > > appears to work for a non-full ext2/ext3 filesystem it's not something you
    > > should do because it makes the filesystem internal bookkeeping wrong and
    > > you'll run into trouble with any filesystem sooner or later.
    > >
    > In most situation to create a new FS on a RAID1 MD is not an option.
    > It happens that you have to mirror a partition, maybe alarge one, and it
    > already had a filesystem on top of it. Then what should you do?
    > backup, mirror and then restore? Sometimes it is not possible this too.
    > Then you accept to deal with the possible problems...

    Read The Fine Manual. :)

    http://unthought.net/Software-RAID.HOWTO/Software-RAID.HOWTO-7.html#ss7.4

    "Method 2" covers exactly this, for a root filesytem though, but you
    should be able to adapt it.

    / jakob


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:00    [W:2.994 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site