가용성의 설계반영
결함탐지를 위해 핑/에코,하트비트,예외발생의 전략사용
결함복구준비시 투표하기,활성중복,비활성중복,예비 적용
복구/재가동시 Shadow operations, 상태 재동기화, 롤백 등 사용
방지방법으로 서비스로부터 제거, 트랜잭션, 프로세스 감시 등 사용
remove bluebirds.exe , virtual drive
http://www.tim.id.au/blog/2009/09/03/solved-bluebirds-installer-on-lg-gh22ns50-dvd-rw/ Solved: “Bluebirds” installer on LG GH22NS50 DVD-RW This is the LG GH22NS50. We’ve started stocking these at work – just the next low-cost SATA burner option for us. Except it comes with a nasty surprise, and that surprise is Bluebirds. It’s some kind of drag-to-disc software included with the drive. Not on a CD, of course; it’s hacked into the drive’s firmware, and shows up when there’s no disc in the drive at all. Which means that every time you close the tray with nothing in it, you get prompted to install it, thanks to Windows helpfully autorunning it. It’s not really a malicious program. It just sits in your system tray until you close it or uninstall it (Control Panel -> Add/remove programs, in XP). It’s probably even helpful, for the few people who let it sit around long enough to find out. I haven’t seen anyone do that yet. Way to go, LG; not only does your drive automatically try to...
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