Thank you. -- Stephen
> On Nov 29, 2017, at 2:08 PM, Nikhil Khandelwal <[email protected] > <mailto:[email protected]>> wrote: > > Hi, > > I would like to clarify migration path to 5.0.0 from 4.X.X clusters. For all > Spectrum Scale clusters that are currently at 4.X.X, it is possible to > migrate to 5.0.0 with no offline data migration and no need to move data. > Once these clusters are at 5.0.0, they will benefit from the performance > improvements, new features (such as file audit logging), and various > enhancements that are included in 5.0.0. > > That being said, there is one enhancement that will not be applied to these > clusters, and that is the increased number of sub-blocks per block for small > file allocation. This means that for file systems with a large block size and > a lot of small files, the overall space utilization will be the same it > currently is in 4.X.X. Since file systems created at 4.X.X and earlier used a > block size that kept this allocation in mind, there should be very little > impact on existing file systems. > > Outside of that one particular function, the remainder of the performance > improvements, metadata improvements, updated compatibility, new > functionality, and all of the other enhancements will be immediately > available to you once you complete the upgrade to 5.0.0 -- with no need to > reformat, move data, or take your data offline. > > I hope that clarifies things a little and makes the upgrade path more > accessible. > > Please let me know if there are any other questions or concerns. > > Thank you, > Nikhil Khandelwal > Spectrum Scale Development > Client Adoption > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org <http://spectrumscale.org/> > http://gpfsug.org/mailman/listinfo/gpfsug-discuss > <http://gpfsug.org/mailman/listinfo/gpfsug-discuss>
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