A Capability Maturity Model for Research Data Management
CMM for RDM » 5. Repository Services and Preservation » 5.3 Activities Performed

Changes for document 5.3 Activities Performed

Last modified by crowston on 2014/06/01 12:07
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17 17 The original data set should be preserved in its original state ([[Borer et al., 2009>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Borer]]; [[DataONE, 2011f>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#DataONE-f]]; [[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]). Unaltered images should be preserved at the highest resolution possible. ([[DataONE, 2011e>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#DataONE-e]]).
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19 -Changes to data files should be controlled, that is, appropriate tools, such as version control tools, should be used to keep track of the history of changes to the data files ([[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]). Changes should be made only by users authorized by the developed data access policies. The nature of and reasons for the changes recorded. In particular, users should be aware of, and document, any changes in the coding scheme ([[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]). It may be appropriate to provide multiple versions of data products with defined identifiers for unambiguous reference, reflecting the state of the data at different points in time ([[DataONE, 2011g>>||anchor="DataONE-g"]]).\\
19 +Changes to data files should be controlled, that is, appropriate tools, such as version control tools, should be used to keep track of the history of changes to the data files ([[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]). Changes should be made only by users authorized by the developed data access policies. The nature of and reasons for the changes recorded. In particular, users should be aware of, and document, any changes in the coding scheme ([[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]). A further danger of using applications such as spreadsheets to store data is that these programs are designed to facilitate making changes to the data, while for scientific data, changes should be controlled.
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21 +It may be appropriate to provide multiple versions of data products with defined identifiers for unambiguous reference, reflecting the state of the data at different points in time ([[DataONE, 2011g>>||anchor="DataONE-g"]]).\\
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21 21 === 5.3.4 Backup data ===
22 22
23 23 Data, processing codes, and documentation should be regularly backed up ([[Hook et al., 2010>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#Hook]]) according to the defined procedures to ensure that there are at least two (and preferably more) copies of all important data. Backup devices should be selected for and regularly checked for reliability. Backups should be regularly tested for completeness and correctness to ensure that backup copies have the same content as the original data file ([[DataONE, 2011c>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#DataONE-c]]). The backups should also be checked to ensure that they are secure and and that only those who need access to backups have proper access ([[DataONE, 2011c>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#DataONE-c]]). Contact information should be available for the persons responsible for the backed up data ([[DataONE, 2011c>>url:http://rdm.ischool.syr.edu/xwiki/resources/js/xwiki/wysiwyg/xwe/69418DB5FB08918068E66A3255D5BA3F.cache.html#DataONE-c]]).

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