RE: Help with chmod

["biscut" <biscut ntlworld com>]

Thankyou VERY much Kevin, works like a dream...

Regards
biscut

If your msg is urgent, please send a shortened version of it to
biscut sms genie co uk (SMS redirection) and I will reply as soon as I can.

> -----Original Message-----
> From: redhat-install-list-admin redhat com
> [mailto:redhat-install-list-admin redhat com]On Behalf Of Kevin Colby
> Sent: 02 March 2001 18:21
> To: redhat-install-list redhat com
> Subject: Re: Help with chmod
>
>
> [Anyone confused about partitions, filesystems, or formatting, read this.]
>
> Here is what I suspect you have done:
>
> 1. You have a drive partitioned and used by Windows.
> 2. Somehow this drive becomes used in a Linux machine.
> 3. The old partition(s) used by Windows are not changed in
>    size or location, but may be now typed as "Linux Native".
> 4. The filesystems on these partitions are not recreated
>    ("formatted"), but instead the partitions are mounted
>    via the mount command by hand.
>
> In this situation, because no type is specified by with the mount command
> (/etc/fstab entries would have been type-specific), the mount
> command tries
> to determine the correct filesystem type automatically.  It reads the
> partition and determines that it is, in fact, a FAT
> (FAT16,FAT32,vfat,etc.)
> partition and mounts it as such.  Because these filesystems do not support
> extended permissions or even the concept of file ownership, chmod
> and chown
> have no meaning to them.
>
> Linux uses a number of different filesystems.  The current "standard" is
> the "Extended Filesystem, version 2" or "ext2".  If you would like to use
> this filesystem on a partition, after defining the partition, you must
> create an ext2 filesystem on it ("format it").  This will result in the
> loss of any information on the partition (not the drive).  You can do this
> by executing 'mke2fs /dev/xxxx', where 'xxxx' is a specific partition.
> Note:  Do NOT do this to a whole drive (i.e. "hdc")!
>
> If, prior to mounting /dev/hdc1, you had executed "mke2fs /dev/hdc1",
> you would have found an empty filesystem with full permissions
> and ownership
> support when you mounted it.  Instead, you got the old DOS filesystem that
> was there from before.  The clue here was to mount it with the "-t" type
> specifier.  The fact that "-t vfat" mounts at all is a dead giveaway.
> If this were really and ext2 filesystem, you would only have been able to
> successfully mount it with "-t ext2" or none specified.
>
> I suggest that you remove all contents of hdc1, unmount, mke2fs, remount,
> and try this again.
>
> 	- Kevin Colby
> 	  kevinc grainsystems com
>
>
>
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