How can I keep two subversion repositories synchronized on the fly? As a known issues that system administrators may face, there’re serval ways to achieve that: svnsync – As part of the official toolset, it would be a good solution. Anyway I will not use it. SVK – Did not check it [...]

Question: I run a backup script called /home/admon/backup.sh which runs rsync command. However, rsync makes a lots of disk I/O and network I/O. I’d like to reduce both disk I/O and network I/O. I’ve 10Mbps server connection and 160GiB SATA hard disk. How do reduce disk I/O so that the entire [...]

During my working period, my backup script is using rsync to copy files to remote server, and I have just realized that without some special parameter, rsync does not handle well on sparse files. (a.k.a Files with holes in them that are holding a file system and just take the space needed by their actual [...]