How to See Bound Folders and Release Them
Clash Royale CLAN TAG#URR8PPP
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This morning I noticed someone had stuck a USB Drive in the back of the server. (I'll have to end that practice later). For some reason CentOS 7 mounted that disk /dev/sdc1 under /run/media//. I also noticed when I ran df that my /dev/mapper/centos-root was full. Ok, ran through / with du and noticed that the flash drive had mounted itself here and took up the remaining space somehow.
So I ran umount /run/media/<user>/<uuid> and it went away. Great. Except df still states that I'm full and the server is experiencing issues common with low disk space. Worse now, a reboot of the server left me only able to get into maintenance mode. How do I free up this space or even know what is bound to the fs?
EDIT: This is essentially another df -H doesn't agree with du problem. According to df I have only 800MB/54GB free on root and I can't boot because of it. But by using du -h --max-depth 1 /mnt/sysimage/ (where /mnt/sysimage/ is just / because I'm in recovery mode right now). It outputs something like this (can't directly copy):
264M /mnt/sysimage/boot
0 /mnt/sysimage/dev
26G /mnt/sysimage/home
0 /mnt/sysimage/proc
... small stuff - MB scale
1.7G /mnt/sysimage/var
So how do those add up to fill a 54GB disk? As stated above before it crashed, this mystery USB drive had been mounted in /run/media/<user>/<uuid> and was thus under / Could this still be bound to the file system?
centos mount disk-usage bind-mount
asked Aug 3 at 17:04
Aaron Chamberlain
114
add a comment |Â
up vote
1
down vote
favorite
This morning I noticed someone had stuck a USB Drive in the back of the server. (I'll have to end that practice later). For some reason CentOS 7 mounted that disk /dev/sdc1 under /run/media//. I also noticed when I ran df that my /dev/mapper/centos-root was full. Ok, ran through / with du and noticed that the flash drive had mounted itself here and took up the remaining space somehow.
So I ran umount /run/media/<user>/<uuid> and it went away. Great. Except df still states that I'm full and the server is experiencing issues common with low disk space. Worse now, a reboot of the server left me only able to get into maintenance mode. How do I free up this space or even know what is bound to the fs?
EDIT: This is essentially another df -H doesn't agree with du problem. According to df I have only 800MB/54GB free on root and I can't boot because of it. But by using du -h --max-depth 1 /mnt/sysimage/ (where /mnt/sysimage/ is just / because I'm in recovery mode right now). It outputs something like this (can't directly copy):
264M /mnt/sysimage/boot
0 /mnt/sysimage/dev
26G /mnt/sysimage/home
0 /mnt/sysimage/proc
... small stuff - MB scale
1.7G /mnt/sysimage/var
So how do those add up to fill a 54GB disk? As stated above before it crashed, this mystery USB drive had been mounted in /run/media/<user>/<uuid> and was thus under / Could this still be bound to the file system?
centos mount disk-usage bind-mount
asked Aug 3 at 17:04
Aaron Chamberlain
114
If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
This morning I noticed someone had stuck a USB Drive in the back of the server. (I'll have to end that practice later). For some reason CentOS 7 mounted that disk /dev/sdc1 under /run/media//. I also noticed when I ran df that my /dev/mapper/centos-root was full. Ok, ran through / with du and noticed that the flash drive had mounted itself here and took up the remaining space somehow.
So I ran umount /run/media/<user>/<uuid> and it went away. Great. Except df still states that I'm full and the server is experiencing issues common with low disk space. Worse now, a reboot of the server left me only able to get into maintenance mode. How do I free up this space or even know what is bound to the fs?
EDIT: This is essentially another df -H doesn't agree with du problem. According to df I have only 800MB/54GB free on root and I can't boot because of it. But by using du -h --max-depth 1 /mnt/sysimage/ (where /mnt/sysimage/ is just / because I'm in recovery mode right now). It outputs something like this (can't directly copy):
264M /mnt/sysimage/boot
0 /mnt/sysimage/dev
26G /mnt/sysimage/home
0 /mnt/sysimage/proc
... small stuff - MB scale
1.7G /mnt/sysimage/var
So how do those add up to fill a 54GB disk? As stated above before it crashed, this mystery USB drive had been mounted in /run/media/<user>/<uuid> and was thus under / Could this still be bound to the file system?
centos mount disk-usage bind-mount
asked Aug 3 at 17:04
Aaron Chamberlain
114
This morning I noticed someone had stuck a USB Drive in the back of the server. (I'll have to end that practice later). For some reason CentOS 7 mounted that disk /dev/sdc1 under /run/media//. I also noticed when I ran df that my /dev/mapper/centos-root was full. Ok, ran through / with du and noticed that the flash drive had mounted itself here and took up the remaining space somehow.
So I ran umount /run/media/<user>/<uuid> and it went away. Great. Except df still states that I'm full and the server is experiencing issues common with low disk space. Worse now, a reboot of the server left me only able to get into maintenance mode. How do I free up this space or even know what is bound to the fs?
EDIT: This is essentially another df -H doesn't agree with du problem. According to df I have only 800MB/54GB free on root and I can't boot because of it. But by using du -h --max-depth 1 /mnt/sysimage/ (where /mnt/sysimage/ is just / because I'm in recovery mode right now). It outputs something like this (can't directly copy):
264M /mnt/sysimage/boot
0 /mnt/sysimage/dev
26G /mnt/sysimage/home
0 /mnt/sysimage/proc
... small stuff - MB scale
1.7G /mnt/sysimage/var
So how do those add up to fill a 54GB disk? As stated above before it crashed, this mystery USB drive had been mounted in /run/media/<user>/<uuid> and was thus under / Could this still be bound to the file system?
centos mount disk-usage bind-mount
asked Aug 3 at 17:04
Aaron Chamberlain
114
edited Aug 3 at 20:27
asked Aug 3 at 17:04
Aaron Chamberlain
114
asked Aug 3 at 17:04
Aaron Chamberlain
114
asked Aug 3 at 17:04
Aaron Chamberlain
114
114
If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29
add a comment |Â
If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29
If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29
add a comment |Â
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If you are describing commands or semi-hipotetical questions, please do provide the output. The question is too broad as it it.
– Rui F Ribeiro
Aug 3 at 20:11
@RuiFRibeiro I updated my question with outputs, skipped them originally because I thought I new the cause and didn't want this flagged as another df doesn't match du question.
– Aaron Chamberlain
Aug 3 at 20:29