That is what paccache does.
Welcome to Arch's forums.Nothing from /dev/sda was mounted, right? (https://wiki.archlinux.org/index.php/Disk_Cloning#Create_disk_image point 2)What does pv-pbert do?
stibi wrote:There might be some connection with this problem: https://bbs.archlinux.org/viewtopic.php?id=170008 ?Why do you think this is related? Have you tried the suggested work around?What have you tried? Have you searched for that error?