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Old 02-02-2016, 02:52 PM   #1
cellranking
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Red face fdish


hello room i want to permanent mount my extra 15999.8GB disk space any idea and how to?

fdisk -l

Disk /dev/sdb: 15998.8 GB, 15998753177600 bytes
255 heads, 63 sectors/track, 1945070 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000abb9c
 
Old 02-02-2016, 03:10 PM   #2
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First you need to partition it, then format it, then you can add it to /etc/fstab to auto-mount. Do you know what filesystem type you want to use?
 
Old 02-02-2016, 03:17 PM   #3
cellranking
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hello

most Linux partition is ext4 right if so i want ext4 partition

thank you
 
Old 02-02-2016, 03:22 PM   #4
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More information...what distro of Linux is this?
 
Old 02-02-2016, 03:24 PM   #5
cellranking
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Hello

I am run Redhat 6.7
 
Old 02-02-2016, 03:31 PM   #6
suicidaleggroll
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You'll need to use parted, since fdisk doesn't support partitions larger than 2 TB. If you like you can use gparted to do it, or you can do it on the command line:
Code:
parted /dev/sdb
mklabel gpt
mkpart primary ext4 2048s -1
quit
2048 sector offset is usually good, but you can verify using this as a guide:
http://rainbow.chard.org/2013/01/30/...-using-parted/

Then build the filesystem with:
Code:
mkfs.ext4 /dev/sdb1
You're right at the 16 TB limit of 32-bit ext4, so if it complains you may have to switch it to 64-bit.

Last edited by suicidaleggroll; 02-02-2016 at 03:33 PM.
 
Old 02-02-2016, 03:39 PM   #7
cellranking
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my OS is 64-bit if i use 32-bit partitions would not has a problems?

thank you
 
Old 02-02-2016, 04:40 PM   #8
suicidaleggroll
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It has nothing to do with your processor architecture.
 
Old 02-02-2016, 04:57 PM   #9
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this is what I put in fstab for my extra LT/HDD.

I created a directory in /media ~ called data then add this to my fstab, then sudo mount -a after all of the formating stuff of course.

Code:
/dev/sdb1  /media/data  ext4 defaults 0 0

its that simple

Last edited by BW-userx; 02-02-2016 at 04:58 PM.
 
Old 02-02-2016, 08:26 PM   #10
MrTux
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Quote:
Originally Posted by suicidaleggroll View Post
You'll need to use parted, since fdisk doesn't support partitions larger than 2 TB. If you like you can use gparted to do it, or you can do it on the command line:
Code:
parted /dev/sdb
mklabel gpt
mkpart primary ext4 2048s -1
quit
2048 sector offset is usually good, but you can verify using this as a guide:
http://rainbow.chard.org/2013/01/30/...-using-parted/

Then build the filesystem with:
Code:
mkfs.ext4 /dev/sdb1
You're right at the 16 TB limit of 32-bit ext4, so if it complains you may have to switch it to 64-bit.
What does -1 mean in the parted command?
 
Old 02-02-2016, 08:58 PM   #11
BW-userx
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Quote:
Originally Posted by MrTux View Post
What does -1 mean in the parted command?
mkpart part-type [fs-type] start end
indicating the entire HDD
 
Old 02-02-2016, 09:14 PM   #12
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Quote:
Originally Posted by BW-userx View Post
mkpart part-type [fs-type] start end
indicating the entire HDD
Isn't the whole hdd 0 100%?
 
Old 02-03-2016, 07:19 AM   #13
suicidaleggroll
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Yes, -1 is a shortcut, it does the same thing as 100%.
 
Old 02-03-2016, 09:27 AM   #14
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If you are going to put the entire disk in one partition, you have no need to partition it.
 
Old 02-03-2016, 08:05 PM   #15
cellranking
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hello
I following steps by steps ran the command on my test BOX (my LIVE SERVER Disk /dev/sdb: 15998.8 GB, 15998753177600 bytes) following error on my output please help
thank you

root@localhost ~]# parted /dev/sdb
GNU Parted 3.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted)
-----------------------------------------------------------------------------
[root@localhost ~]# parted /dev/sdb
GNU Parted 3.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
Warning: Partition(s) on /dev/sdb are being used.
Ignore/Cancel? I
Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? yes
Error: Partition(s) 1, 2 on /dev/sdb have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old
partition(s) will remain in use. You should reboot now before making further changes.
Ignore/Cancel? I
(parted) ^C
(parted)
---------------------------------------------------------------------------------------------------
(parted) mkpart primary ext4 2048s -1
Error: Partition(s) 1, 2 on /dev/sdb have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old
partition(s) will remain in use. You should reboot now before making further changes.
Ignore/Cancel? I
(parted)
----------------------------------------------------------------------------------------------------------
mkfs.ext4 /dev/sdb1
mke2fs 1.42.9 (28-Dec-2013)
/dev/sdb1 is mounted; will not make a filesystem here!
[root@localhost ~]#




fdisk -l

Disk /dev/sda: 200.0 GB, 200049647616 bytes, 390721968 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0xa5fb4e2a

Device Boot Start End Blocks Id System
/dev/sda1 2048 390721967 195359960 83 Linux
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

Disk /dev/sdb: 320.1 GB, 320072933376 bytes, 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt


# Start End Size Type Name

Disk /dev/mapper/centos-swap: 10.5 GB, 10485760000 bytes, 20480000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/centos-usr: 52.4 GB, 52428800000 bytes, 102400000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/centos-root: 52.4 GB, 52424605696 bytes, 102391808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/centos-var: 31.5 GB, 31457280000 bytes, 61440000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/centos-home: 157.3 GB, 157286400000 bytes, 307200000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

[root@localhost ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sdb2 centos lvm2 a-- 283.20g 4.00m
[root@localhost ~]#
 
  


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