40Gig IDE disk wrapping around at 32Gig?

During an install of RedHat 6.1 onto a Dell Dimension L600cx, I partitioned the internal 40gig disk to include 4 partitions. I initially let the disk druid do it, but it rendered the partition table unreadable. So I used fdisk and partitioned it with primary partitions like so:

(sectors = 255, heads = 63)

/dev/hda1  1 -- 17         (136521 blocks)
/dev/hda2  18 -- 50        (265072 blocks)
/dev/hda3  51 -- 3967      (31463302 blocks)
/dev/hda4  3968 -- 4865    (7213185 blocks)

Problem is, any attempt to mkfs on /dev/hda4 seems to trash the filesystems on hda1, hda2 and hda3. It makes an ugly mess.

RedHat 6.1 installs a 2.2.12 kernel, with patches. I'm ignoring /dev/hda4 for now and I've installed 2.2.17 from source. It seems reliable as long as I ignore /dev/hda4. I haven't tried it w/ 2.2.17 installed.

Am I running into some limit here? Are there any known issues with Linux 2.2.12 or fdisk (or mkfs.ext2) that might relate to this?

Steve Williams                "The woods are lovely, dark and deep.
[email protected]              But I have promises to keep,
[email protected]            and lines to code before I sleep,
http://www.picturel.com       And lines to code before I sleep."


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...

Large disks require 2.2.14 / 2.3.21 or later.

For vendor patches, consult the vendor.

(And, in case you have more problems: include (i) fdisk version. (ii) kernel version, (iii) dmesg | grep hd.)

Andries
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