Re: ext4 - 52.2% non-contiguous

Daryl Styrk wrote:
> I'm trying to understand what is causing fsck to report /dev/sda4 being
> highly fragmented.  The filesystem is only a couple days old.  I created
> the it with mke2fs -t ext4.
>
> After initially building the filesystem I ran fsck which showed something
> like 0.7% if I remember correctly.  I then copied about 60GB from an ext3
> via rsync after which the fragmentation showed up.  
>
> I'm running Sid, 2.6.30-1-amd64 and have e2fsprogs 1.41.7-1.   <snip>

    Just an uneducated guess.   rsync created the entire structure with
empty files.   Then populated the files.
    I had to copy files once from one box to another.  It creates a
list, then moves the files individually.   This is the only way to
maintain permissions from one box to another.
    Here is the script that I used:

#! /bin/bash
#
# To copy files to another computer retaining owner / group.
#
# --------- CONFIGURE SECTION ----------
#
#    Your User name on the Server.  Normally should be
# the same as your Computer User Name.
REMOTEUSERNAME="root"
#
#   Remote IP Address.
REMOTEIP="192.168.15.209"
#
# 0 - Test
BACKUPLIST="/home/m* /usr/local/bin"
#
# 1 - home
# BACKUPLIST="/home"
#
# 2 - Samba
# BACKUPLIST="/srv/samba"
#
# 3 - MySQL
# BACKUPLIST="/var/lib/mysql/m* /var/lib/mysql/n* /var/lib/mysql/t*
/var/lib/mysql/w*"
#
# 4 - WWW
# BACKUPLIST="/srv/www"
#
# 5 - /usr/local
# BACKUPLIST="/usr/local/bin /var/local"
#
# Noye, run as root
# --------- NO EDITING BELOW THIS LINE ----------
#
for LIST in $BACKUPLIST
do
   echo " "
   echo "Starting $LIST"
   tar -zcpf - $LIST | ssh $REMOTEUSERNAME@$REMOTEIP "cd /;sudo tar -zxpf -"
   echo "finished"
done


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