After looking at many options, we decided to go with CD-ROM for long-term archive and storage. We keep data online as long as space will allow, and make daily tape backups. Each lab group gets a CD copy of their data whenever they have enough to fill a CD. One group may fill a CD quickly, while 2 or 3 other groups together take much longer. To avoid loss of data by corrupted disks, we make two copies of every disk, give one to the user group and keep one as a master copy. Yes, several disks have been damaged! (the term is *nearly* indestructible!) When a CD is damaged, we make another copy from the master and give it to the user. We are considering $+ for further copies.... Cheers, Joseph. -- Joseph Webster Flow Cytometry Facility Centenary Institute
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