You can change group for that devices with the command

chown :disk /dev/hda*

If the file system with /dev directory is mounted readonly,
you will need to remounyt it read-write before changing group.
To remount file system read-only use the folloeing command

mount -wno remount /

Alexey Fadyushin.
Brainbench MVP for Linux.
http://www.brainbench.com

MartÎn MarquÊs ÐÉÛÅÔ:
> 
> I'm having problems with a PC that was working great, and one day I booted it
> and it couldn't start swap, nor could it remount root in rw mode:
> 
> Letting it boot and checking the /dev/ tree I get this:
> 
> [root@ultra8 root]# ls -l /dev/hda*
> brw-rw----    1 root     disk       3,   0 abr 11  2002 /dev/hda
> brw-rw----    1 root     disk       3,   1 abr 11  2002 /dev/hda1
> brw-rw----    1 root     disk       3,  10 abr 11  2002 /dev/hda10
> brw-rw----    1 root     disk       3,  11 abr 11  2002 /dev/hda11
> brw-rw----    1 root     disk       3,  12 abr 11  2002 /dev/hda12
> brw-rw----    1 root     disk       3,  13 abr 11  2002 /dev/hda13
> brw-rw----    1 root     disk       3,  14 abr 11  2002 /dev/hda14
> brw-rw----    1 root     disk       3,  15 abr 11  2002 /dev/hda15
> brw-rw----    1 root     disk       3,  16 abr 11  2002 /dev/hda16
> brw-rw----    1 root     disk       3,  17 abr 11  2002 /dev/hda17
> brw-rw----    1 root     floppy     2,  33 abr 11  2002 /dev/hda18
> brw-rw----    1 root     floppy     2, 105 abr 11  2002 /dev/hda19
> brw-rw----    1 root     floppy     2, 109 abr 11  2002 /dev/hda2
> brw-rw----    1 root     floppy     2,  13 abr 11  2002 /dev/hda20
> brw-rw----    1 root     floppy     2, 113 abr 11  2002 /dev/hda21
> brw-rw----    1 root     floppy     2,  17 abr 11  2002 /dev/hda22
> brw-rw----    1 root     floppy     2, 121 abr 11  2002 /dev/hda23
> brw-rw----    1 root     floppy     2,  53 abr 11  2002 /dev/hda24
> brw-rw----    1 root     floppy     2,  69 abr 11  2002 /dev/hda25
> brw-rw----    1 root     floppy     2,   2 abr 11  2002 /dev/hda26
> brw-rw----    1 root     floppy     2,   6 abr 11  2002 /dev/hda27
> brw-rw----    1 root     floppy     2,  14 abr 11  2002 /dev/hda28
> brw-rw----    1 root     floppy     2,  18 abr 11  2002 /dev/hda29
> brw-rw----    1 root     floppy     2,  30 abr 11  2002 /dev/hda3
> brw-rw----    1 root     floppy     2,  14 abr 11  2002 /dev/hda30
> brw-rw----    1 root     floppy     2,  18 abr 11  2002 /dev/hda31
> brw-rw----    1 root     floppy     2,   6 abr 11  2002 /dev/hda32
> brw-rw----    1 root     floppy     2,  10 abr 11  2002 /dev/hda4
> brw-rw----    1 root     floppy     2,  42 abr 11  2002 /dev/hda5
> brw-rw----    1 root     floppy     2,  58 abr 11  2002 /dev/hda6
> brw-rw----    1 root     floppy     2,  74 abr 11  2002 /dev/hda7
> brw-rw----    1 root     floppy     2,  94 abr 11  2002 /dev/hda8
> brw-rw----    1 root     floppy     2,  22 abr 11  2002 /dev/hda9
> 
> Now, looking in another RH 7.3 all these devices are with group disk and not
> floppy, and I can't change them cause they are mounted read-only.
> 
> Any idea if this is the problem and how to solve it?
> 
> --
> Porqué usar una base de datos relacional cualquiera,
> si podés usar PostgreSQL?
> -----------------------------------------------------------------
> Martín Marqués                  |        [EMAIL PROTECTED]
> Programador, Administrador, DBA |       Centro de Telematica
>                        Universidad Nacional
>                             del Litoral
> -----------------------------------------------------------------
> 
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