Last login: Thu Jan 5 19:47:20 2017 from 192.168.200.1
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
[root@localhost ~]#
[root@localhost ~]# cat /etc/sysconfig/rawdevices
# raw device bindings
# format: <rawdev> <major> <minor>
# <rawdev> <blockdev>
# example: /dev/raw/raw1 /dev/sda1
# /dev/raw/raw2 8 5
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
[root@localhost ~]#
[root@localhost ~]# fdisk /dev/sda
The number of cylinders for this disk is set to 4568.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
Command (m for help): n
First cylinder (4218-4568, default 4218):
Using default value 4218
Last cylinder or +size or +sizeM or +sizeK (4218-4568, default 4568): +3G
Value out of range.
Last cylinder or +size or +sizeM or +sizeK (4218-4568, default 4568): +1G
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
Command (m for help): n
First cylinder (4341-4568, default 4341):
Using default value 4341
Last cylinder or +size or +sizeM or +sizeK (4341-4568, default 4568): +1G
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
Command (m for help): n
First cylinder (4464-4568, default 4464):
Using default value 4464
Last cylinder or +size or +sizeM or +sizeK (4464-4568, default 4568): +1G
Value out of range.
Last cylinder or +size or +sizeM or +sizeK (4464-4568, default 4568): +500M
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
/dev/sda9 4464 4525 497983+ 83 Linux
Command (m for help): wq
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
[root@localhost ~]# partprobe
Warning: Unable to open /dev/hda read-write (Read-only file system). /dev/hda has been opened read-only.
Warning: Unable to open /dev/hdb read-write (Read-only file system). /dev/hdb has been opened read-only.
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
/dev/sda9 4464 4525 497983+ 83 Linux
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
[root@localhost ~]#
[root@localhost ~]# cat /etc/sysconfig/rawdevices
# raw device bindings
# format: <rawdev> <major> <minor>
# <rawdev> <blockdev>
# example: /dev/raw/raw1 /dev/sda1
# /dev/raw/raw2 8 5
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
[root@localhost ~]#
[root@localhost ~]# fdisk /dev/sda
The number of cylinders for this disk is set to 4568.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
Command (m for help): n
First cylinder (4218-4568, default 4218):
Using default value 4218
Last cylinder or +size or +sizeM or +sizeK (4218-4568, default 4568): +3G
Value out of range.
Last cylinder or +size or +sizeM or +sizeK (4218-4568, default 4568): +1G
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
Command (m for help): n
First cylinder (4341-4568, default 4341):
Using default value 4341
Last cylinder or +size or +sizeM or +sizeK (4341-4568, default 4568): +1G
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
Command (m for help): n
First cylinder (4464-4568, default 4464):
Using default value 4464
Last cylinder or +size or +sizeM or +sizeK (4464-4568, default 4568): +1G
Value out of range.
Last cylinder or +size or +sizeM or +sizeK (4464-4568, default 4568): +500M
Command (m for help): p
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
/dev/sda9 4464 4525 497983+ 83 Linux
Command (m for help): wq
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
[root@localhost ~]# partprobe
Warning: Unable to open /dev/hda read-write (Read-only file system). /dev/hda has been opened read-only.
Warning: Unable to open /dev/hdb read-write (Read-only file system). /dev/hdb has been opened read-only.
[root@localhost ~]# fdisk -l
Disk /dev/sda: 37.5 GB, 37580963840 bytes
255 heads, 63 sectors/track, 4568 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1020 8193118+ 83 Linux
/dev/sda2 1021 3631 20972857+ 83 Linux
/dev/sda3 3632 3892 2096482+ 82 Linux swap / Solaris
/dev/sda4 3893 4568 5429970 5 Extended
/dev/sda5 3893 4153 2096451 83 Linux
/dev/sda6 4154 4217 514048+ 83 Linux
/dev/sda7 4218 4340 987966 83 Linux
/dev/sda8 4341 4463 987966 83 Linux
/dev/sda9 4464 4525 497983+ 83 Linux
[root@localhost ~]#
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