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What happens if Déjà Dup tries to back up to a disconnected external disc?

I have just installed Déjà Dup on my (11.04) laptop and have scheduled automatic weekly backups to an external hard disc which is not always connected to the laptop.

What will happen if a scheduled backup is attempted when the external disc is not connected?

How to mark "allow executing file as program" on an external drive

If I try to set this option for a file on an external drive it just unmarks itself. Doing chmod +x has no effect. The drive is mounted with default options.

How can I spin down external hard drive?

I want to spin down external hard drive from the terminal before unmounting.

It is an sata drive connected through usb.

Running hdparm gives this

 ry@G62x:/media$ hdparm -S10 937b2299-48ff-4a9c-8228-67ed4453e8fb/

 937b2299-48ff-4a9c-8228-67ed4453e8fb/:
 setting standby to 10 (50 seconds)
 HDIO_DRIVE_CMD(setidle) failed: Inappropriate ioctl for device

Can and should UDF be used as a hard drive format?

Several time recently I've seen UDF suggested as the solution to a cross platform format for a drive used on Linux, Mac OS X and Windows XP and above.

I've searched here and not found the same suggestion (most are suggesting ntfs-3g which seems to cost money and isn't preinstalled on a Mac).

So my question is: how is this done right, and has anyone done this? Have you then filled up the drive and deleted some files to make space finding that everything works like a real r/w format even though it seems to have been primarily a write once format?

Call me crazy but I'd really like it if the UDF system would also automount and be writable by the logged in user. What I've tried so far (udftools formatting as mentioned by kicsyromy) doesn't address this wish.

Are these sata errors dangerous?

I'm getting these errors ramdomly, and I don't know if its normal or not.

[39441.061856] ata3.00: failed to read SCR 1 (Emask=0x40)
[39441.061866] ata3.01: failed to read SCR 1 (Emask=0x40)
[39441.061892] ata3.15: exception Emask 0x10 SAct 0x0 SErr 0x280100 action 0x6 frozen
[39441.061897] ata3.15: irq_stat 0x08000000, interface fatal error
[39441.061904] ata3.15: SError: { UnrecovData 10B8B BadCRC }
[39441.061910] ata3.00: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen
[39441.061917] ata3.01: exception Emask 0x100 SAct 0xe SErr 0x0 action 0x6 frozen
[39441.061923] ata3.01: failed command: READ FPDMA QUEUED
[39441.061933] ata3.01: cmd 60/a8:08:b0:48:62/00:00:00:00:00/40 tag 1 ncq 86016 in
[39441.061940] ata3.01: status: { DRDY }
[39441.061944] ata3.01: failed command: READ FPDMA QUEUED
[39441.061953] ata3.01: cmd 60/a8:10:b0:49:62/00:00:00:00:00/40 tag 2 ncq 86016 in
[39441.061959] ata3.01: status: { DRDY }
[39441.061963] ata3.01: failed command: READ FPDMA QUEUED
[39441.061972] ata3.01: cmd 60/58:18:58:4a:62/00:00:00:00:00/40 tag 3 ncq 45056 in
[39441.061978] ata3.01: status: { DRDY }
[39441.061987] ata3.15: hard resetting link
[39441.608302] ata3.15: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[39441.609090] ata3.00: hard resetting link
[39441.929246] ata3.00: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[39441.929333] ata3.01: hard resetting link
[39442.249184] ata3.01: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[39442.263242] ata3.00: configured for UDMA/133
[39442.277570] ata3.01: configured for UDMA/133
[39442.277725] ata3: EH complete

I'm also pasting smartctl -a for sda, sdb and sdc.

Thanks in advance for your help.

How do I mount a hibernated NTFS partition? [duplicate]

I have a Windows HDD attached to an external docking bay on my Ubuntu System, but the HDD brings up an error message:

Error mounting: mount exited with exit code 14: Windows is hibernated, refused to mount.
Failed to mount '/dev/sda5': Operation not permitted
The NTFS partition is hibernated. Please resume and shutdown Windows
properly, or mount the volume read-only with the 'ro' mount option, or
mount the volume read-write with the 'remove_hiberfile' mount option.
For example type on the command line:

       mount -t ntfs-3g -o remove_hiberfile /dev/sda5 /media/92441EC8441EAF4B  

I am at a loss for exactly how to remove the hiberfile, or even mount it as read-only or read-write. I tried directly copy and pasting that exact command into my terminal, but it said:

mount:only root can do that

I do not know what to do at this point. I do need to get the information off of this drive, but I do not have a computer to put it in. Does anyone know what I should do from here?

Something went wrong with my external HD (Ubuntu can't mount it)

Here is my output from the fdisk command:

sudo fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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 identifier: 0x00043809

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048   973105151   486551552   83  Linux
/dev/sda2       973107198   976771071     1831937    5  Extended
/dev/sda5       973107200   976771071     1831936   82  Linux swap / Solaris

Disk /dev/sdb: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 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 identifier: 0x5387f1b4

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048   625140399   312569176    7  HPFS/NTFS/exFAT

From my limited knowledge of Ubuntu--I'm guessing my external is being detected by my OS, but it's not being mounted. Backstory: I was trying to use an ISO file that I had on my external using AcetoneISO--then everything froze up. I forced a shut down/reboot, then when I rebooted, my HD wouldn't mount. It didn't even give me an error message, it just didn't work. What's up? Help?

EDIT: @Alaa: I was just about to add this info. I have just tried manually mounting my drive, and this is the output:

$ sudo mkdir /media/TOSHIBA_EXT
$ sudo mount -t ntfs-3g /dev/sdb1 /media/TOSHIBA_EXT
ntfs_attr_pread_i: ntfs_pread failed: Input/output error
Failed to read $MFTMirr: Input/output error
Failed to mount '/dev/sdb1': Input/output error
NTFS is either inconsistent, or there is a hardware fault, or it's a
SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very
important! If the device is a SoftRAID/FakeRAID then first activate
it and mount a different device under the /dev/mapper/ directory, (e.g.
/dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
for more details.

EDIT 2: This is the result after attempting to run an NTFSFix

$ sudo ntfsfix /dev/sdb1
Mounting volume... ntfs_attr_pread_i: ntfs_pread failed: Input/output error
Failed to read $MFTMirr: Input/output error
FAILED
Attempting to correct errors... 
Processing $MFT and $MFTMirr...
Reading $MFT... OK
Reading $MFTMirr... ntfs_attr_pread_i: ntfs_pread failed: Input/output error
FAILED
Failed to read $MFTMirr: Input/output error

Hypothesis: Did I short out the drive when I forced a reboot on it? I know it's bad to do that--but I've had to do that before, both on Windows-based systems and since I started using Ubuntu--and this is the first time anything's gone wrong. Just as an FYI to any answerers, my family is going out to eat fairly shortly, so I will be away for the next hour or so. I'm guessing my next logical step is to run a chkdsk in a windows-based environment, so I will attempt that when I get home. Based on the results of that, what do I do next?

EDIT 3: Still waiting on my chance to get onto the windows system (my Dad's laptop and he's busy using it). I have discovered the command fsck--which apparently is roughly equivalent to chkdsk in a Linux environment. This is the result I get:

$ sudo fsck /dev/sdb1
fsck from util-linux 2.20.1
e2fsck 1.42.5 (29-Jul-2012)
ext2fs_open2: Bad magic number in super-block
fsck.ext2: Superblock invalid, trying backup blocks...
fsck.ext2: Bad magic number in super-block while trying to open /dev/sdb1

The superblock could not be read or does not describe a correct ext2
filesystem.  If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
    e2fsck -b 8193 <device>

I repeated the fsck using e2fsck and the -b 8193 modifier, and got an identical result. Is this information helpful to anyone?

EDIT: I have been unable to use chkdsk on a Windows environment to recover the disk. I did something to it--I'm not sure what. But, the data lost is not life-ending, thankfully. So, I will continue to investigate this issue on my own, and if I come up with a solution I will repost this question, and all relevant information. I thank you all for your help, have a great night! :-)

Is it still possible to install Ubuntu to an external harddrive with UEFI?

It looks like installing Ubuntu to an external harddrive isn't possible with UEFI, where as with MBR there wasn't a big difference between external and internal. Is that true or is it still possible?

Is it even possible to combine both boot methods?

How do I access an external hard drive plugged into my router?

I am running Ubuntu 11.10 and I own a Netgear N600 Wireless Dual Band Router with a USB port built into it. Naturally, the router came with instructions on how to mount and view this drive with both Windows and Mac, but nothing about Linux. I have an WD Elements 1 TB external HDD that I would like to plug into the router and share across my home network. However, when I plug it in, absolutely nothing happens on my desktop.

I checked on two different machines and nothing seems to indicate that the drive has been mounted (or is even seen at all) on either machine. I am fully aware that it may not be possible to do this with a Linux system, but I was hoping someone might have a suggestion.

Mount exited with exit code 13

I have a 1TB external hard drive that I recently formatted to NTFS. It was mounting on my Ubuntu 11.10 fine until just now. I didn't make any changes to affect my OS or my exhdd.

The error that I get is:

Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 0).
Failed to mount '/dev/sdb2': Input/output error
NTFS is either inconsistent, or there is a hardware fault, or it's a
SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very
important! If the device is a SoftRAID/FakeRAID then first activate
it and mount a different device under the /dev/mapper/ directory, (e.g.
/dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
for more details.

I did read this and this. But neither helped.

I tried installing ntfsfix but no such package exists anymore. I have never used this HDD on a windows machine. If I need to use an other machine to do stuff to fix this, I have access to a mac.

Any advice?

This is my sudo fdisk -l output: What in the world is GPT? I didn't do that. It used to be NTFS.

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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 identifier: 0x000586fb

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2148   961320312   480659082+  83  Linux
/dev/sda2       961320313   976773167     7726427+   5  Extended
/dev/sda5       961320314   976773167     7726427   83  Linux

WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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 identifier: 0xcfd88605

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1  1953525167   976762583+  ee  GPT

How to mount an external HDD?

I have Ubuntu Linux 12.04 version the latest right now.I want to mount an external HDD NTFS 1TB.I have followed many guides but still no success.The error I'm getting is this:

Failed to read last sector (1953523119): Invalid argument
HINTS: Either the volume is a RAID/LDM but it wasn't setup yet,
   or it was not setup correctly (e.g. by not using mdadm --build ...),
   or a wrong device is tried to be mounted,
   or the partition table is corrupt (partition is smaller than NTFS),
   or the NTFS boot sector is corrupt (NTFS size is not valid).
Failed to mount '/dev/sdb1': Invalid argument
The device '/dev/sdb1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?
Using Storage Device MAnager i get this error:Error mounting: mount exited with exit code 1: helper failed with:
mount: only root can mount /dev/sdb1 on /media/Skliros_Diskos {external disk name} 

When I use sudo fdisk -l, this is the output:

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 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 identifier: 0x000e0bc6

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048   618854399   309426176   83  Linux
/dev/sda2       618856446   625141759     3142657    5  Extended
/dev/sda5       618856448   625141759     3142656   82  Linux swap / Solaris

Disk /dev/sdb: 1000.2 GB, 1000202043392 bytes
255 heads, 63 sectors/track, 121600 cylinders, total 1953519616 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 identifier: 0x0002093a

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048  1953525167   976761560    7  HPFS/NTFS/exFAT

How do I use dd to clone an external USB drive installation to a local hard disk?

can I use the dd command to clone my ubuntu installation from my external disk to my local hard drive. will it even boot? I think I can, but not sure. do I need to make the output partition on my local disk the exact size as the input partition on the usb? I'm thinking install and boot off a liveusb on a different small flash drive and run something like sudo dd if=/media/usbexternaldisk of=/media/localdisk would that work as is?

also if I make an iso image of my external ubuntu installation using dd, can I burn it onto disk or unto another hard drive and have that boot up?

What should I do when hard "disk failure is imminent"?

I been using this before on back-up, but when I plugged it again, it goes like this, what should I do?

Plex Media Server: Won't find media External Hard Drive

I am attempting to turn an older PC into a home media server with Ubuntu 12.04 using Plex Media Server. I have a newer WD 2 TB external USB HD with all of my media on it.

I can not for the life of me figure out why Plex will not recognize the files on this hard drive. It shows the external as there, Ubuntu shows the files and allows me to play them, view them, etc. Plex shows the name "External".

But when I click it, it is 100% empty and shows nothing to add. I can access the files on the external through file sharing just fine, on my windows computers but would love to be able to use Plex for streaming with our Roku.

I am fairly new to Ubuntu, I have used Plex with the same HD on Windows and it worked fine. I have read multiple articles on this and nothing seems to be doing the trick.

How can I solve this?

Disable auto-opening nautilus window after auto-mount

Every time I plug a USB stick in, nautilus opens a new window with the contents of the drive. I would like to disable this auto-opening of the nautilus window, but I would like the actual auto-mount to keep working. Is this possible?