On 08/10/11 14:57, Mark Neidorff wrote:
I'm not sure if everything is OK, or if I have to redo what I did.
For backup I purchased a USB 3, 1.5 TB external drive. (Using it USB 2 mode)
The drive came formatted NTFS. Not wanting to hassle with that, I reformatted
it as EXT4. That went fine, or so it seems.
Now when I run fdisk, the partition still shows up as NTFS.
Command (m for help): p
Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3e12cce7
Device Boot Start End Blocks Id System
/dev/sdb1 1 182401 1465136001 7 HPFS/NTFS
...but mount shows an ext4 filesystem:
root@Mark:/tmp# mount
/dev/sda2 on / type ext3 (rw,noatime)
....
/dev/sdb1 on /media/339ca221-4ec1-45c2-9969-af0d8b5ffb0b type ext4
(rw,nosuid,nodev,uhelper=udisks)
So....should I fdisk the drive, delete what appears to fdisk to be an NTFS
partition, create an ext4 and reformat it? (I'm guessing that this is why I'm
getting errors from my backup program)
Did you use fdisk (or similar) to change the partition type before
reformatting? I'm guessing not.
The partition type values that fdisk sees are the one set by fdisk or
another partitioning tool. The actual filesystem details depend on what
you formatted it as. The two don't have to agree, but it's a good idea
to keep them in sync.
Use fdisk and change the partition type. No need to delete/recreate the
partition, or reformat it.
You don't say what errors you are getting from your backup program.
Could you enlighten us please? Give examples of the errors and the name
of the program you are using.
--
Dom
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