From: John D. <dre...@gm...> - 2008-07-30 16:21:51
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> I initially suggested RAIT to the submitter, but he said he was not > considering that -- if I remember right RAIT actually requires something like > 5 tape drives. Maybe I am wrong on that though, because I looked at the code > about 5 years ago. > The link talks about a 3 drive raid 5 RAIT perhaps they allow other raid levels so RAID 0 could allow 2 drives with 2 times the chance of failure... > In any case, once you are talking about an LTO4 drive, it is currently > impossible or nearly so to drive it full speed (except possibly by some high > end IBM mainframes), so why complicate things when Bacula still lacks a lot > of nice features ... :-) > Agreed. Unless you have the tape drives connected directly to your file storage machine so you are not using a network, you will have to use 10G NICs and switches or multiple Gbit cards with load balancing to saturate a single LTO4 drive. John |