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I solved the problem. The problem was a name conflict; the vg name of the drive was "ubuntu" which was already taken. I changed the name with the command

I was still unable to mount it, but it...

I got the raid to mount with the command


> sudo mdadm -- assemble --scan
mdadm: /dev/md/0 has been started with 2 drives


I'm somewhat confused about where the volume was mounted....

There is an mdadm file:


There is no directory
/dev/md.

I had two disks mounted as a raid1 system. I can no longer mount them.
The drive seem to be OK.


> lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
sdb 1.8T disk
└─sdb1 1.8T...

I have a hard disk with two partitions; a corrupt boot partition and a partition containing data.

When I boot from my recently installed 22.04LTS, I can mount the corrupt old boot partition, but...

I succeeded in copying the files, but it took several days. I never found out why it was so slow.
Thanks to all who helped.

Yes.


A live USB.


It's mounted in /media/ubuntu

sudo rsync -avuz 7a420995-9611-46f9-8e1f-d177783b5794 SanDisk/backup20231216 --info=progress2

7a420995-9611-46f9-8e1f-d177783b5794 is the relative path to the mount point of the source partition,...

I'm trying again using rsync. The transfer rate is impossibly slow, about 400 kB/s. At this rate the transfer will take close to a week.

I tried rsync and got lots of errors of the type
"Unable to copy 'some path'
The procedure also didn't finish and threw a "device full" error, which I don't understand because the target device was...

I tried to clone a partition using dd.
The source drive is a 256G internal flash drive.
The destination is a 256 USB stick
Here is the relevent output of lsblk


sda 8:0 0...

I set it up using mdadm.

I thought the purpose of a RAID is to supply a backup.
If I shouldn't use USB drives, how should I connect the external drives to the computer?
What are forum code tags?

Is there anything I...

Several years ago I bought two WD usb hard drives.
I intended to configure them as a RAID1. I might have not done it correctly.
Today I can't access the data.

If I plug in the drives and run...

Thank you for your help. The program works when invoked from the command line.
Still a mystery why it doesn't when I click on the icon. How do I find out what is executed when an icon is clicked?

I didn't take schwin-daddy's suggestion because I don't know the exact name of the app. The only way I can launch it by clicking on the icon that the installer created.

The program ran fine a few days ago. Now it doesn't start. I'd like to fix it.

Thanks for the pointer to the tutorial.
The program is the Garmin GNS430/530 trainer.
According to the log file, the program ran successfully:...

I'm not aware of anything on the system that has changed since the program ran successfully.
I have rebooted.
I haven't changed WINE or the WINE environment.
The only other WINE program I use...

I'm running wine-5.0 on ubuntu 20.04.
Last week I installed a windows program, and it ran fine.
Today I tried to run it and it failed.
I've done the obvious things (robooting, reinstalling the...

I installed and ran read-edid. There are two modelines with 2560x1440 resolution:
Modeline "Mode 0" 241.50 2560 2608 2640 2720 1440 1443 1448 1481 +hsync -vsync
Modeline "Mode 12"...

There are no 30Hz modelines.

I have an HP 32Q monitor, with maximum resolution 2560x1440.
My graphics card is an Intel Xeon E3-1200:
> lshw -numeric -C display
*-display
description: VGA compatible...

After a recent software update that required a reboot, my machine displays a purple screen with no login options. After a while the screen went blank.

I was able to recover by pressing...

I want to use chromecast to display media (or desktop, if possible) on my TV. I have a TV with built-in chromecast.

I can share my android tablet screen using an app called "Screen mirroring...