Re: Newbie Hardware/Partitioning

From: John Stevenson (John.Stevenson_at_objectcore.co.uk)
Date: 08/31/03

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    Date: Sun, 31 Aug 2003 15:24:06 +0100
To: debian-user@lists.debian.org

    > I've had ext2 running on massive partitions in the region of 60GB
    > upwards. Only thing with ext2 is that if the system doesn't shutdown
    > correctly it will scan the drives for errors on the re-boot which can
    > take AGES with larger partitions.
    >
    You can easily (and in my own experience safely) convert ext2 filesystem
    into an ext3 system with journaling. I have done this on a system with
    3 hard drives that are all 100GB+ and it saves an emense amount of time
    in the rare occasion I have had a crash (dodgy USB equipment!!).

    The procedure I use is as follows (example is for the first partition on
    the second hard drive of IDE channel 1):

    1) Unmount the partition you are going to convert

    umount /dev/hdb1

    2) Use tune2fs to add a journaling

    tune2fs -j /dev/hdb1

    3) Turn of the automatic counting and checking for fsck

    tune2fs -i 0 -c 0 /dev/hdb1

    4) Edit /etc/fstab file to reflect the changes (use ext3 or auto for the
    fs type)

    /dev/hdb1 /opt/archive ext3 defaults 0 2

    5) Remount the partition

    mount /dev/hdb1

    This procedure was discussed on debianplanet, but that is not available
    at present. I am sure there is a howto if you need more information.

    Johnny. 

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