BACKUP ROTATION
\bˈakʌp ɹə͡ʊtˈe͡ɪʃən], \bˈakʌp ɹəʊtˈeɪʃən], \b_ˈa_k_ʌ_p ɹ_əʊ_t_ˈeɪ_ʃ_ə_n]\
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Any system for re-using backup media,e.g. magnetic tape. One extreme would be to use the samemedia for every backup (e.g. copy disk A to disk B), the otherextreme would be to use new media every time. The trade-offis between the cost of buying and storing media and theability to restore any version of any file. One example isthe Grandfather, Father, Son (GFS) scheme.
By Denis Howe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.