From: rjones <devnull@localhost>
Date: Sat, 15 Sep 2007 12:15:58 +0000 (+0100)
Subject: gzip network traffic.
X-Git-Url: http://git.annexia.org/?a=commitdiff_plain;h=bb190cb82bc62bb3f3097abb0dbf7142bcef3ae5;p=virt-p2v.git

gzip network traffic.
---

diff --git a/README.developers b/README.developers
index 6ba0733..ac1f8e9 100644
--- a/README.developers
+++ b/README.developers
@@ -63,7 +63,7 @@ for devices in /sys/block.
 For (b) we can simply use 'dd' and 'ssh'.  The general plan is to do
 this:
 
-  dd if=/dev/disk | gzip | ssh xenhost 'cat > /var/lib/xen/images/disk.img'
+  dd if=/dev/disk | gzip | ssh xenhost 'zcat > /var/lib/xen/images/disk.img'
 
 If the user doesn't have sshd installed on the Xen host, then they can
 also opt for a pure TCP transport:
@@ -71,7 +71,7 @@ also opt for a pure TCP transport:
   dd if=/dev/disk | gzip | nc xenhost port
 
   and on the remote host they do:
-  nc -l -p port > /var/lib/xen/images/disk.img
+  nc -l port > /var/lib/xen/images/disks.gz
 
 For (c) we can use device-mapper snapshots to mount a ramdisk above
 the disks themselves.  This allows us to make non-destructive changes
diff --git a/virt-p2v.sh b/virt-p2v.sh
index 274b087..ae0d021 100755
--- a/virt-p2v.sh
+++ b/virt-p2v.sh
@@ -639,11 +639,11 @@ for dev in $devices_to_send; do
     gigs=$(($sectors/2/1024/1024))
     echo "Sending /dev/$dev (${gigs} GB) to remote machine"
 
-    dd if=/dev/mapper/snap_$dev |
+    dd if=/dev/mapper/snap_$dev | gzip --best |
     case "$remote_transport" in
 	ssh)
 	    ssh -p "$remote_port" "$remote_host" \
-		"cat > $remote_directory/$name"
+		"zcat > $remote_directory/$name"
 	    ;;
 	tcp)
 	    echo "p2v $name $sectors" > header