Comments on Using The BTRFS Filesystem On Debian Lenny

Using The BTRFS Filesystem On Debian Lenny This tutorial shows how you can build the kernel and tools to use the new BTRFS filesystem on Debian Lenny.  Btrfs is a new copy on write filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, repair and easy administration.

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By: Russ Weeks

I suggest adding zlib1g-dev to your apt-get line, otherwise you may encounter these errors:

btrfs-image.c:29:18: warning: zlib.h: No such file or directory
btrfs-image.c: In function ‘dump_worker’:
btrfs-image.c:216: warning: implicit declaration of function ‘compressBound’
btrfs-image.c:219: warning: implicit declaration of function ‘compress2’
btrfs-image.c:222: error: ‘Z_OK’ undeclared (first use in this function)
btrfs-image.c:222: error: (Each undeclared identifier is reported only once
btrfs-image.c:222: error: for each function it appears in.)
btrfs-image.c: In function ‘restore_worker’:
btrfs-image.c:599: warning: implicit declaration of function ‘uncompress’
btrfs-image.c:601: error: ‘Z_OK’ undeclared (first use in this function)

Otherwise, very useful article.  Thanks!

By: Anonymous

don't work for me when i try to mount a btrfs device :

ie : mount /dev/sdb /mnt 

i  have this

 [  904.015684] device fsid 6048d69d15d2adcf-9b3fbdc59c57f490 devid 1 transid 7 /dev/sdb
[  904.017784] BTRFS: couldn't mount because of unsupported optional features (1).

 any suggestions ?

By: gonX

While you shouldn't be asking for help through the comments, you're probably using a kernel that's too old with userspace tools that are too recent. Upgrade to .30 or later.

By: PENIX

I have conclusively proven that btrfs is actually a blatant repackaging of reiser4 in a cover up to avoid the political disaster of supporting the code of a convicted murderer. btrfs is 81.56% similar to reiser4. Here are the steps to reproduce. Please spread the word. http://pastebin.com/ff42272d http://pastebin.com/f27912488

By: Anonymous

Please do not use the comment function to ask for help!"

Except this guy....

Please.... feel free to use any means necessary to ask for help, PENIX.  No, really.

By: Anonymous

where is the "Using"? just see the "Installing"...