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Unable to mount external drive
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Unable to mount external drive
An external USB hard drive has been used for a number of years to regularly
archive data on a Linux Debian system. The latest attempt to archive data
gave the following error :-
mount /media/backup
mount : can't find UUID=0688802088800FFB
Why does this error occur and how is it fixed ?
Thanks.
archive data on a Linux Debian system. The latest attempt to archive data
gave the following error :-
mount /media/backup
mount : can't find UUID=0688802088800FFB
Why does this error occur and how is it fixed ?
Thanks.
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- Posts: 71
- Joined: 2017-09-17 11:30
Re: Unable to mount external drive
The hard drive wss inserted into another USB port to see whether the first port was faulty.
A card reader had to be removed from its USB port so that the external hard drive could be inserted into that port.
An attempt was then made to mount the hard drive, but the
following happened :-
# mount /media/backup
Failed to write lock '/dev/sde1': Resource temporarily unavailable
Error opening '/dev/sde1': Resource temporarily unavailable
Failed to mount '/dev/sde1': Resource temporarily unavailable
The hard drive was then put back into its original USB port.
The card reader was reinserted into its USB port and an
attempt
was made to mount the card reader but nothing at all happened - there was no message at all.
Can anyone please help to sort this out.
Thanks.
A card reader had to be removed from its USB port so that the external hard drive could be inserted into that port.
An attempt was then made to mount the hard drive, but the
following happened :-
# mount /media/backup
Failed to write lock '/dev/sde1': Resource temporarily unavailable
Error opening '/dev/sde1': Resource temporarily unavailable
Failed to mount '/dev/sde1': Resource temporarily unavailable
The hard drive was then put back into its original USB port.
The card reader was reinserted into its USB port and an
attempt
was made to mount the card reader but nothing at all happened - there was no message at all.
Can anyone please help to sort this out.
Thanks.
Re: Unable to mount external drive
Post your /etc/fstab. At least the line relating to /media/backup.NewToLinux wrote:Code: Select all
# mount /media/backup
- cds60601
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Re: Unable to mount external drive
Not that it might matter but, I always umount a device before removing it. Perhaps a left-over from the Windows days.NewToLinux wrote:The hard drive wss inserted into another USB port to see whether the first port was faulty.
A card reader had to be removed from its USB port so that the external hard drive could be inserted into that port.
An attempt was then made to mount the hard drive, but the
following happened :-
# mount /media/backup
Failed to write lock '/dev/sde1': Resource temporarily unavailable
Error opening '/dev/sde1': Resource temporarily unavailable
Failed to mount '/dev/sde1': Resource temporarily unavailable
The hard drive was then put back into its original USB port.
The card reader was reinserted into its USB port and an
attempt
was made to mount the card reader but nothing at all happened - there was no message at all.
Can anyone please help to sort this out.
Thanks.
If your /etc/fstab/ is using UUID opposed to the /dev name, and the media was not reformatted, this shouldn't be an a thing.
In any event, is this the complete UUID? Seems a bit incomplete to me.
Code: Select all
sudo blkid
I tend to use PARTUUID over UUID as it references the partition opposed to the filesystem.
As a reminder, even under a Windows system just unplugging the USB device without properly unmounting it can sometimes throw it into this type of state until a reboot.
Depending on your setup (more pointedly, a desktop environment) there is a reason that graphical file managers have that unmount/eject feature added.
Last edited by cds60601 on 2020-07-07 13:22, edited 1 time in total.
Supercalifragilisticexpialidocious
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Re: Unable to mount external drive
It does matter, the usb devices should be properly removed, either with the GUI or terminal.Not that it might matter but, I always umount a device before removing it.
Definitely , unplugging a usb drive without 'umount' (unmounting, or eject) first can render the device unmountable, or un usable , I have 1 that was bricked because it was not properly unmounted.
See 'man umount' .
It is one of those things that sometimes it does not seem to harm the device, so to many people develope a bad habit of just unplugging them, and then they do not understand why their old worn out device does not work any more. Sometimes they can be recovered, I have 1 out of many that never was recoverable,
This includes "card readers",
More so if there were any cards also connected....maybe a complete shutdown, and then boot again,A card reader had to be removed from its USB port
Seems to me like it (the PC) still thinks something is connected, or in other words , when the card reader was unplugged, it left it in a "confused" state. Any way, maybe I am just a 65 year "old fart", and have no clue as to what I am saying,...in a nut shell, after I bricked a couple of usb devices, I finally figured out why .Code: Select all
Failed to write lock '/dev/sde1': Resource temporarily unavailable Error opening '/dev/sde1': Resource temporarily unavailable Failed to mount '/dev/sde1': Resource temporarily unavailable
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Re: Unable to mount external drive
From man blkidcds60601 wrote: In any event, is this the complete UUID? Seems a bit incomplete to me.Code: Select all
sudo blkid
Code: Select all
It is recommended to use lsblk(8) command to get information about block devices, or lsblk --fs to
get an overview of filesystems, or findmnt(8) to search in already mounted filesystems.
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Re: Unable to mount external drive
Both good commands to know however, I find blkid more useful in my situation. Do either of the mentioned commands produce the PARTUUID that I use?arzgi wrote:From man blkidcds60601 wrote: In any event, is this the complete UUID? Seems a bit incomplete to me.Code: Select all
sudo blkid
Code: Select all
It is recommended to use lsblk(8) command to get information about block devices, or lsblk --fs to get an overview of filesystems, or findmnt(8) to search in already mounted filesystems.
If they do not, and if users are using PARTUUID, then it seems that blkid would be an appropriate command to use for that information.
Example - blkid:
Code: Select all
/dev/sdb1: LABEL="Work" UUID="2b08fbd5-3cc0-4935-b231-14627d8e4fa6" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="fe623df2-01"
/dev/sda1: UUID="36E2-6072" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="1aa92be8-f74d-4fdc-80f5-e98d34ffdb73"
/dev/sda2: UUID="b4030573-f79c-44c7-b6cd-62358309ec4b" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="20e14548-f503-4dee-a38b-c2a9a382977f"
/dev/sda3: UUID="30af28ce-618b-42bc-8d94-368fc0e1f2f9" TYPE="swap" PARTUUID="9d010633-0cc9-40c3-9d7f-5b23a008557b"
/dev/sdc1: LABEL="xa" UUID="eb8e4717-be0f-4368-8a2f-2da4c6480800" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="cde4cc28-3921-49b3-9457-3fafc63264a3"
/dev/sdd1: LABEL="xb" UUID="ca893a2d-2b91-483b-8579-c4cab2b41c08" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="2cae27e8-d2ee-4288-8957-e92319499543"
Code: Select all
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINT
sda
├─sda1 vfat FAT32 36E2-6072 505.6M 1% /boot/efi
├─sda2 ext4 1.0 b4030573-f79c-44c7-b6cd-62358309ec4b 843.5G 1% /
└─sda3 swap 1 30af28ce-618b-42bc-8d94-368fc0e1f2f9 [SWAP]
sdb
└─sdb1 ext4 1.0 Work 2b08fbd5-3cc0-4935-b231-14627d8e4fa6 783.4G 9% /mnt/work
sdc
└─sdc1 ext4 1.0 xa eb8e4717-be0f-4368-8a2f-2da4c6480800 757.5G 12% /mnt/xa
sdd
└─sdd1 ext4 1.0 xb ca893a2d-2b91-483b-8579-c4cab2b41c08 757.5G 12% /mnt/xb
Supercalifragilisticexpialidocious
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Re: Unable to mount external drive
Code: Select all
lsblk -o +UUID,PARTUUID
“ computer users can be divided into 2 categories:
Those who have lost data
...and those who have not lost data YET ” Remember to BACKUP!
Those who have lost data
...and those who have not lost data YET ” Remember to BACKUP!
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Re: Unable to mount external drive
Actually - so do Isunrat wrote:I like lsblk as it can show a lot of info when run by user, whereas blkid requires root privileges.Code: Select all
lsblk -o +UUID,PARTUUID
Supercalifragilisticexpialidocious
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Re: Unable to mount external drive
Please see thread 'problem with USB 3 port' in Hardware forum, which gives information about further developments.
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Re: Unable to mount external drive
Bah, I just read this in another thread,http://forums.debian.net/viewtopic.php?f=10&t=146688 What is going on here ?
Maybe read this: Forum guidelines. Please read before first post!
Maybe read this: Forum guidelines. Please read before first post!
Before you start using Debian User Forums, please observe the following guidelines:
Do not cross post. Posting the same topic in more than one category only creates confusion and makes it hard to keep track on the various replies. Double posts will be locked.
Be descriptive. Use a meaningful headline and try to make your question as clear as
Please Read What we expect you have already Done
Search Engines know a lot, and
"If God had wanted computers to work all the time, He wouldn't have invented RESET buttons"
and
Just say NO to help vampires!
Search Engines know a lot, and
"If God had wanted computers to work all the time, He wouldn't have invented RESET buttons"
and
Just say NO to help vampires!
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Re: Unable to mount external drive
What thread are you talking about ? Was it this one ?http://forums.debian.net/viewtopic.php? ... 33#p725114
Please Read What we expect you have already Done
Search Engines know a lot, and
"If God had wanted computers to work all the time, He wouldn't have invented RESET buttons"
and
Just say NO to help vampires!
Search Engines know a lot, and
"If God had wanted computers to work all the time, He wouldn't have invented RESET buttons"
and
Just say NO to help vampires!