02-19-2013
I see. Well perhaps rsync isn't the tool I need. Maybe I should look at other methods to accomplish my goal. This is what I'm trying to do:
I have a production nfs server (nfs01) which shares one particular filesystem with our development environment. We have a requirement to segregate our prod and dev environments so I've stood up a second nfs server just for the dev environment (nfs02). Now I need to migrate my entire /bannertreedev on nfs01 to /bannertreedev on nfs02. As a note nfs01:/bannertreedev is a logical volume as is the one on nfs02.
As you can see, I figured I could just create the filesystem on nfs02 and rsync it. I was suprised by the size difference. I'm reasonable sure all my data transfered but I had not planned on such a difference. I may need to increase the size of the LV on nfs02.
Perhaps someone could suggest an alternate method? I'm also trying to prevent any downtime to nfs01.
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LEARN ABOUT DEBIAN
btrfsctl
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)