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Old 01-22-2004, 05:58 PM   #1
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RH9 Convert Ameoba FS back to ext2 and ext3

I have no idea how it happened, but somehow my boot, root, and swap partitions got converted to Ameoba File System. My system will boot to grub, but not to the graphical menu, jsut the grub console, and thats a major pain in the arss.

This is what fdisk-l says:

Disk /dev/hda: 255 heads, 63 sectors, 2491 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 13 104391 93 Amoeba
/dev/hda2 14 1543 12289725 93 Amoeba
/dev/hda3 1544 1591 385560 92 Unknown
/dev/hda4 1592 2491 7229250 f Win95 Ext'd (LBA)
/dev/hda5 1592 2491 7229218+ b Win95 FAT32

All drives were auto configured on redhat 9 install

hda1 is boot, should be ext2
hda2 is root, should be ext3
hda3 is swap, i cant remember what this was. Does linux have a specific file system for swap ? it seems like this was ext2, but i can't remember.

I have no idea how to do this. I tried partition magic 7 on a boot cd, it cant convert this FS type.

thanks in advance,
eric in michigan
Old 01-22-2004, 06:34 PM   #2
Registered: Nov 2003
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That's very interesting. I hadn't heard of Amoeba. Did some googling and it seems it's a distributed operating system. I wonder if you got cracked somehow and someone was trying to use your machine as a node?

Does anyone know of a rescue disk that supports this file system?

If you had a rescue disk that could read Amoeba file system, you could boot with it and see what's on those partitions. I don't think there's a way you can 'accidently' convert a file system to another file system without losing data (you can easily deliberately convert ext2 to ext3, but that's something of an exception I think, please correct me if I'm wrong).

swap is just swap and should be listed as swap with fdisk -l.

I'm not sure what's happened, but please post a followup if you figure it out, as it's very interesting. I suspect this may be a 'very bad thing', but it's too weird to say for sure. A bootable rescue disk that can read Amoeba file system would be very useful in figuring this out.
Old 01-22-2004, 11:59 PM   #3
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I have a bootable cd. with it I can mount the partitions just fine. When it first happened i used it to check if my grub conf was messup up. it's just fine though. Im thinking about just reinstalling RH from scratch. I'll give this post a few days first, maybe someone else has seen this before.

thanks fyoder


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