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Chapter 5. Additional Topics 43
We partitioned the disk with fdisk and formatted it:
# fdisk /dev/hdc
n (fdisk option to add a partition)
Command action: p (a primary partition)
Partition number: 1
First cylinder (1-66144): 1 (default = 1)
Last cylinder (1-66144): 4140 (this makes a partition of about 2 GB)
n (fdisk option to add a partition)
Command action: p (another primary partition)
First cylinder (4141-66144): 4141
Last cylinder (4141-66144): 66144
p (print the partition table)
Device Boot Start End Blocks ID System
/dev/hdc1 1 4140 1956118+ 83 Linux native
/dev/hdc2 1414 66144 29296880 83 Linux native
(if the ID is not 83 = Linux native, use the t option to change it)
t (fdisk option to change partition ID)
Partition number: 1
Hex code: 83 (83 is Linux native)
t
Partition number: 2
Hex code: 83
p (fdisk option to list partitions)
w (fdisk option to write partition table and end)
# mkdir /s391 (create a mount point, if not already done)
# mkdir /holding
# mke2fs /dev/hdc1 (format a file system)
# mke2fs /dev/hdc2 (format the other file system)
# mount /dev/hdc1 /holding (mount it for Linux use)
# mount /dev/hdc2 /s391
# chown flexes:flexes /holding (change owner and group identities)
# chown flexes:flexes /s391
We used the new disk space to confirm that it worked, and then edited /etc/fstab to cause the
new file systems to be automatically mounted at boot time. (There are no unwanted effects if
the second hard disk is not present when Linux is booted; the file systems on that disk are
simply not mounted.) We added two lines at the end of fstab:
LABEL=/ / ext2 defaults 1 1
LABEL=/boot /boot ext2 defaults 1 2
/dev/fd0 /mnt/floppy auto noauto,owner 0 0
LABEL=/s390 /s390 ext2 defaults 0 0
none /proc proc defaults 0 0
none /dev/pts devpts gid=5,mode=620 0 0
/dev/hda7 swap swap defaults 0 0
/dev/hdc1 /holding ext2 defaults 0 0
/dev/hdc2 /s391 ext2 defaults 0 0
5.5.2 Second disk planning
It is unlikely that the second hard drive will always be installed when FLEX-ES is running.
Although OS/390 does not use the CD-ROM drive or the diskette drive (the other possible
occupants of the Ultrabay), you may find it inconvenient to shut down the ThinkPad to remove
the CD-ROM drive or diskette drive and insert the second hard disk drive every time you want
to run FLEX-ES.