From 5c5a1eae8adcfad79c648113d7dd758417f6a55f Mon Sep 17 00:00:00 2001 From: Bob Lantz Date: Wed, 19 Jun 2013 17:26:39 -0700 Subject: [PATCH] Use dd to zero out disk space (hopefully faster) --- util/install.sh | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/util/install.sh b/util/install.sh index 1908904..cb39ef9 100755 --- a/util/install.sh +++ b/util/install.sh @@ -578,8 +578,11 @@ function vm_clean { git config --global user.name "None" git config --global user.email "None" - echo "Zeroing out file blocks for efficient compaction" - time sudo cp /dev/zero /tmp/; sync ; sleep 1 ; sync ; sudo rm -f /tmp/zero + # Note: you can shrink the .vmdk in vmware using + # vmware-vdiskmanager -k *.vmdk + echo "Zeroing out file blocks for efficient compaction..." + time sudo dd if=/dev/zero of=/tmp/zero bs=1M + sync ; sleep 1 ; sync ; sudo rm -f /tmp/zero }