BTRFSCTL(8) System Manager's Manual BTRFSCTL(8)NAME
btrfsctl - control a btrfs filesystem
SYNOPSIS
btrfsctl [ -d file|directory ] [ -s snapshot-name directory ] [ -S subvolume-name directory ] [ -r [+-]size ] [ -A device ] [ -a ] [
-c ]
DESCRIPTION
btrfsctl is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesys-
tem.
OPTIONS -d file|directory
Defragment a file or a directory. If the argument is a directory, the entire b-tree under the directory is defragged.
-s snapshot-name directory
Creates a new snapshot of the directory specified.
-S subvolume-name directory
Creates a new subvolume.
-r [+|-]size
Resizes the filesystem with the size specified. If the value is preceded with a signed symbol, the filesystem is resized with
respect to the current filesystem size. size can be suffixed by k,m or g to represent kilobytes, megabytes, or gigabytes respec-
tively.
-A device
Scans the device for btrfs filesystem.
-a Scans all devices present in the system for btrfs filesystem.
-c Forces a filesystem sync.
AVAILABILITY
btrfsctl is part of btrfs-progs. Btrfs is currently under heavy development, and not suitable for any uses other than benchmarking and
review. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.
SEE ALSO mkfs.btrfs(8)BTRFSCTL(8)
Check Out this Related Man Page
BTRFSCTL(8) System Manager's Manual BTRFSCTL(8)NAME
btrfsctl - control a btrfs filesystem
SYNOPSIS
btrfsctl [ -d file|directory ] [ -s snapshot-name directory ] [ -S subvolume-name directory ] [ -r [+-]size ] [ -A device ] [ -a ] [
-c ]
DESCRIPTION
btrfsctl is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesys-
tem.
OPTIONS -d file|directory
Defragment a file or a directory. If the argument is a directory, the entire b-tree under the directory is defragged.
-s snapshot-name directory
Creates a new snapshot of the directory specified.
-S subvolume-name directory
Creates a new subvolume.
-r [+|-]size
Resizes the filesystem with the size specified. If the value is preceded with a signed symbol, the filesystem is resized with
respect to the current filesystem size. size can be suffixed by k,m or g to represent kilobytes, megabytes, or gigabytes respec-
tively.
-A device
Scans the device for btrfs filesystem.
-a Scans all devices present in the system for btrfs filesystem.
-c Forces a filesystem sync.
AVAILABILITY
btrfsctl is part of btrfs-progs. Btrfs is currently under heavy development, and not suitable for any uses other than benchmarking and
review. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.
SEE ALSO mkfs.btrfs(8)BTRFSCTL(8)
hai friends
I need a program to find the size of a directory.. When i tried to get the size, it always gives the default space allocated for it. How can i findout the exact size of a directory using a c program
Thanks in advance
Collins (6 Replies)
Hello all
Can someone tell me I am running a script and the outputs directory is too small to contain the newly created file as a result of this script. How can I increase the directory size?
Thanks (9 Replies)
Hello all,
I have a directory filling up. I need to determine the size of the files in the directory. How do I do that, what command should I run when I am in the directory?
Next question, can I expand the partition size? (10 Replies)
I'm trying to come up with a way of finding largest directories in a filesystem (let's say filesystems is running ot of space and I need to find what is consuming all the space). If a directory is a single filesystem, then it's easy, I just run "du -sk *| sort -nr". But the problem is, if some... (8 Replies)
Hi All,
I have a requirement like below,
I want to transfer few file of size > 5 Mb from one directory to anotehr directory. Please let me know the command how can i do that
Sorry if it looks silly
Senthil (6 Replies)
Hi all,
Is there any built in function that can display the content of a directory showing the size of directories?
I want to see the content of a directory without recursion. I don't want to see the content of all subdirectories.
I want to see the contained files with their size and the... (6 Replies)
I have a PERC 5/i card. Im using with it 3 15k rpm HDD's (model: SEAGATE Savvio 15K ST936751SS). Im going to install debian on this array.. and im looking for performance... So what would be the stripe size that i should set this raid 0 into to give me the best performance?
Thanks (22 Replies)
Hi,
We currently have an Oracle database running and it is creating lots of processes in the /proc directory that are 1000M in size. The size of the /proc directory is now reading 26T. How can this be if the root file system is only 13GB?
I have seen this before we an Oracle temp file... (6 Replies)
I've got a Solaris 11 Express installed on my machine. I have created a raidz2 zpool named shares and a simple one-disc zpool named backup. I have made a script that would send a daily snapshot of shares to backup.
I use these commands
zfs snapshot shares@DDMMRRRRHHMM
zfs send -i shares@....... (10 Replies)
Hi everyone,
I've installed RedHat 5 enterprise into a VirtualBox, but some how i can't eve create a single file, cause appear u message like this:
Read-only filesystem.
i'm logged as root.
Any idea (6 Replies)
I am trying to generate a csv file for utilization of each project directory. there are 10 filesystem and for each filesystem there are 16 directory.
i was trying to create a script so i created two file. one is filesystem and one is project. so file looks like
cat filesystems
/app1
/app2... (10 Replies)
Hi All,
Recently I came to know my / root file system is getting full because of application directory /siebel/
I have one option.
1) Down the application , take full backup
2)change the filesystem ownership
2)copy the contents into that filesystem
cp -pr /siebel/* /siebelfs/*
3)Inform... (9 Replies)
Hi Guys
We have a VM machine, now I want to increase the size of the filesystem.
We are running RHEL6 O/S.
I have filesystem that is 500GB I want to increase that filesystem to 1.5 TB.
The guy who manages the VM increased the size on the VM machine, now how do I make sure that the... (7 Replies)