Recognizing Hard Disks

jdreg · 12-02-2003, 04:16 PM

Have a linux box with 4 9g SCSI drives. The drives seems to be recognized at boot. I am trying to ascertain how the space is being used on each disk. A "df" gives the following:

Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 8746648 2486100 5816236 30% /
/dev/sda1 99134 15029 78986 16% /boot
none 191964 0 191964 0% /dev/shm

I am wondering where the rest of the disk space went to?

Thanks . . . Jdr
jdreg@charter.net

Mara · 12-02-2003, 04:22 PM

df shows you only mounted partitions. You may have non mounted partition or free space not assigned to any partition. Fdisk will tell you which partitions are on which disk, then you can mount them and use df to see the free space.

Tinkster · 12-02-2003, 04:24 PM

Well. Obviously you didn't ask for the
rest to be utilised during install :}

What distro are you using, how did you
do the partitioning?

Cheers,
Tink

jdreg · 12-03-2003, 10:12 AM

Yes, something was not done correctly. I am running Red Hat 9 and choose auto partition. To complicate matters the program "cfdisk" is not installed on my system and I can not find a download. I looked at "fdisk" and was not sure that I wanted to do that. I logged in as "root" and tried to execute cfdisk such "cfdisk" and "cfdisk /dev/hda" - both time it said that "cfdisk - command could not be found". . . . Ahhhhhhhhh

. . . Jdr

class_struggle · 12-03-2003, 11:21 AM

fdisk is just as good as cfdisk, perhaps even better. Worth reading the man on it, "p" will analyse and it won't do anything unless you press "w", i.e. write.
I gather use of "cfdisk", "fdisk" and "sfdisk" must always be done as rootuser/superuser.