4
votes
2answers
240 views

Determine what device a directory is located on

If I do # cd / # ln -s /home test # cd test # mount --bind $PWD /mnt the entry in /proc/mounts is /dev/sda2 /mnt ext4 rw,noatime,data=ordered 0 0 which is the device that is mounted to /home and ...
28
votes
4answers
2k views

How can I mount a block device from one computer to another via the network as a block device?

Is it possible to export a block device such as a DVD or CDROM and make it so that it's mountable on another computer as a block device? NOTE: I'm not interested in doing this using NFS or Samba, I ...
2
votes
3answers
291 views

How to find out easily whether a block device (or a part of it) is mounted somehow

I want to know what the easiest way is to determine (without root privilege) whether a block device (say sdb) or any part of it is mounted (and which part of it). Checking /proc/mounts for sdb is not ...
3
votes
1answer
1k views

Obtain device name and mount point if partition label is known

How to obtain the partition device name and mount point when the file system label is known? There are several possibilities: Linux File system label to device name The device name can be obtained ...
3
votes
1answer
431 views

Does the (source) device in a tmpfs type mount mean anything?

I just went into /etc/fstab (Linux) and changed my line for /tmp (on which a specific ext4 partition was previously mounted) to tmpfs. This was clearly a bit silly, but I wasn't thinking. Anyway, I ...
6
votes
1answer
608 views

Run shell script when new volume mounted

I'm interested in running an rsync script whenever any new volume is mounted on my Debian box. What are some potential triggers / strategies for listening for a new volume mount?
4
votes
2answers
2k views

What is /dev/xvde1?

I'm having to do with an OpenShift RHEL Linux installation running on Amazon EC2. In the filesystem, there is a device file named /dev/xvde1 mounted to / ... and a device file named /dev/xvde2 mounted ...
2
votes
5answers
1k views

sda and sdb block specials point to same device and get mixed up (hardware RAID doesn't work after new installation of 12.04)

I just installed the latest Ubuntu 12.04 and obviously it screws something up. I'm not sure if this has anything to do with the fact that I have a Raid 1 but at the moment, I have sda and sdb which ...
1
vote
1answer
237 views

Bind specific usb out

How can I bind specific usb out to specific /dev/sd* value? Each time that I plugged in some device in specific usb out it binds to different /dev/sd* location. How can I avoid it to set mounting ...
2
votes
2answers
285 views

Questions on using command mount

When using command mount for a device, I was wondering about the following questions: Since device file is a parameter to mount, how does one know what the device file for a device is in general? Do ...
5
votes
3answers
2k views

Detecting that a device is mounted to a particular folder?

As part of revamping my backup scheme, I'm now adding rotating external hard drives, keeping one safely off-site at all times while the other is receiving backup data. Naturally, to ensure that my ...
8
votes
2answers
473 views

Prevent disk renumbering on reboot in OSX

I have 3 physical drives in my Mac Pro with OSX 10.6.4. Occasionally after rebooting the machine, the disk numbering changes such that the /dev/disk# does not reference the same drive as it did before ...