Rescan scsi bus to find new devices

echo "- - -" > /sys/class/scsi_host/host0/scan

cf.
https://mohskitchen.wordpress.com/2012/10/31/very-hot-online-resize-of-a-filesystem-on-a-lvm-volume-in-a-vmware-vm/

Btrfs features and scripts

A very good talk about btrfs with many links to useful scripts:

http://marc.merlins.org/linux/talks/Btrfs-LC2014-JP/

Also note Marc’s website:
http://marc.merlins.org/perso/btrfs/

Some Links about RAID and filesystems

Some useful links which I might need in the future:

Tune ext3,4 and xfs for RAID:

https://raid.wiki.kernel.org/index.php/RAID_setup#ext2.2C_ext3.2C_and_ext4
http://www.xfs.org/index.php/XFS_FAQ#Q:_I_want_to_tune_my_XFS_filesystems_for_.3Csomething.3E

xfs 0 byte problem:

http://www.xfs.org/index.php/XFS_FAQ#Q:_Why_do_I_see_binary_NULLS_in_some_files_after_recovery_when_I_unplugged_the_power.3F http://www.mjmwired.net/kernel/Documentation/filesystems/xfs.txt

Reiser deprecated:
http://en.wikipedia.org/wiki/Reiserfs#Novell_.2F_SUSE_move_away_from_ReiserFS_to_ext3

Let’s simply don’t try to setup a new FS until btrfs becomes stable…