On Wed, 2004-08-18 at 10:41, Vikram Ranade wrote: > Hello, > I was just curious about the various data backup systems that are > available for companies that want to > keep large daily backups (400~500GB). > > The most widely propagated is naturally Tape Backups. We currently use > DAT tapes that are painfully slow and > have a rather high TCO. > But I personally feel that they are rather expensive (the Sony AIT-4 > Tape drive system with 200 GB Tapes > was quoted to me at Rs 2 Lakh) and do not provide enough redundancy > against failure. > > Wouldn't it be better to have several (2~3) large (4X250GB with RAID 5) > independent IDE Linux Software Raid > setups on a network for backups? > This way the there would be no single point of failure and if one was to > locate the backup systems > at different locations at the site each with its own UPS backup, they > would provide sufficient redundancy > against hard-disk and other failures in any of the backup systems. > How would this sort of system compare against a conventional Tape Drive > setup? > The cost would definitely be lower than a Tape backup system in my > opinion. > What sort of backup systems are some of you running? > Any thoughts? > Thanks > Vikram We found server to server rsync backups workable. Large data is one time effort but daily data addition will determine the time / complexity of your backup system. -- Sudev Barar Learning Linux
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