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I have a secondary storage drive on my computer mounted at /media/user_name/Data. I get this error when trying to create a new directory:

user_name@cpu:/media/user_name/Data mkdir test

mkdir: cannot create directory ‘test’: Read-only file system

df -h shows it mount at:

...
/dev/sdc2       466G   77G  390G  17% /media/user_name/Data

I follow instructions from here to remount it as read/write

sudo mount -o remount,uid=1000,gid=1000,rw /dev/sdc2

I try to make a directory again:

cd /media/user_name/Data/
mkdir test

mkdir: cannot create directory ‘test’: No such file or directory

I tried solving it with this solution but the same error exists.

The weird thing is I was able to write to this drive last week. I haven't done anything except boot into windows (on a third drive) and access and write data to the Data drive. I primarily use this drive for storage and to pass files between Windows and Ubuntu.

Checking disks, this is the info for it

Size 500 GB — 418 GB free (16.3% full)
Device /dev/sdc2
UUID 20B666B0B66685DE
Partition Type 
Contents NTFS — Mounted at /media/user_name/Data
theastronomist
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    I haven't done anything except boot into windows Well, that would do it if it has the default setting of Fast Startup. Boot again Windows, disable Fast Startup and shutdown. – ChanganAuto Aug 01 '21 at 22:13
  • I'm a derp. Thank you for the reply. That fixed it – theastronomist Aug 01 '21 at 22:37
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    We all had to learn about that new feature at some point. It isn't something easily deduced even for experienced users, if you don't know it, you won't guess. – ChanganAuto Aug 01 '21 at 22:39

1 Answers1

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yes i know the answer the reason behind this is that your PC is not completely shut down you have to off the fast shut down options

step 1 Go to power setting

step 2 Go to additional power settings

step 3 uncheck the fast shut down option

for the further details see this video

can not write on secondary disk

tinlyx
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hassan
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