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Hey I just bought a new server and it's running debian

it has 2 2tb hard drives in it, and I'm looking to mount the second one to a specific folder.

an fdisk -l gives me this

Disk /dev/sda: 2000.3 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1      243202  1953514583+  ee  EFI GPT

Disk /dev/sdb: 2000.3 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x197e197d

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1      243200  1953503968+   7  HPFS/NTFS

are they both already mounted? Since it looks different than it usually does. And if the second one isn't how can I mount it to a var/www2 folder?


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How 'different' is it? – quanta Aug 10 '11 at 15:29
up vote 1 down vote accepted

Both questions can be answered by mount.

To look where something is mounted, just issue mount.

To mount something to something, just do mount /dev/sdb1 /var/www2.

But watch out! The /dev/sdb1 is an NTFS file system (not a "native" Linux file system)

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mount or df will show you the filesystems that are mounted. fdisk is just showing that the devices are physically attached (which is of course, a good first step :))

As long as /var/www2 already exists, it should be as simple as sudo mount /dev/sdb1 /var/www2

There are a couple things that can get in the way here. If /var/www2 doesn't already exist, you have to create the directory. If it does exist, you don't want any content in there, because once you mount a filesystem at that location, the original contents won't be accessible any more.

Your filesystem is formatted as NTFS, which typically means you'll need a package for ntfs utlities (ntfs-3g on fedora, don't know about debian). If this drive is only going to be used on this box, I'd recommend formatting it w/ EXT, because using windows filesystems on linux is going to be a pain as the permissions are completely different.

Additionally, if you want this mount to happen automatically upon reboot, then you should add an entry in your /etc/fstab.

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First of all, fdisk tells you nothing about whether or not your disks are mounted. Run mount to see what disks are mounted where. Permanent mounts are specified in /etc/fstab, which you should be able to figure out based on a short Google search or looking at existing entries.

Your first disk is using GPT. This is an alternative disklabel format which is the better choice for 2 TB+ disks, since MBR is only capable of handling disks up to that size. Unfortunately, fdisk is only for MBR disks. You'll need to use a GPT-enabled tool. gdisk is very similar to fdisk; apt-get install gdisk to use it. parted is also capable of handling GPT disks; you may use it instead if you prefer.

The second drive's main and only partition is formatted using NTFS. This is not the best choice for a Linux system since NTFS supports few Linux filesystem features and integrates poorly. Ideally, you should reformat it as a Linux filesystem. A common default nowadays is Ext4: run mkfs.ext4 /dev/sdb1 to reformat (after making sure the partition is unmounted).

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