Am Sat, 09 Mar 2013 17:29:23 -0500 schrieb Ric Wheeler <rwheeler@xxxxxxxxxx>: > On 03/09/2013 03:51 PM, Pascal wrote: > > Hello, > > > > I am asking you because I am insecure about the correct answer and > > different sources give me different numbers. > > > > > > My question is: What is the maximum file system size of XFS? > > > > The official page says: 2^63 = 9 x 10^18 = 9 exabytes > > Source: http://oss.sgi.com/projects/xfs/ > > > > Wikipedia says 16 exabytes. > > Source: https://en.wikipedia.org/wiki/XFS > > > > Another reference books says 8 exabytes (2^63). > > > > > > Can anyone tell me and explain what is the maximum file system size > > for XFS? > > > > > > Thank you in advance! > > > > Pascal > > > > The maximum size that XFS can address (which is what most people post > in things like wikipedia) is kind of a fantasy number. > > What is a better question is what is the maximum size XFS file system > people have in production (even better, people who have your same > work load). Lots and lots of tiny files are more challenging than > very large video files for example. > > I think that you can easily find people with 100's of terabytes in > production use. For Red Hat, we support production use of 100TB per > XFS instance in RHEL6 for example since that is what we test at (and > have been know to officially support larger instances by exception). > > Some of the things to watch out for in very large file systems is how > much DRAM you have in the server. If you ever need to xfs_repair a > 1PB file system, you will need a very beefy box :) > > Ric > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs > Hello Ric, thank you for your answer. I am aware that there is a difference between the maximum size under practical conditions and the theoretical maximum. But I am looking for this theoretical number to use in within in my thesis comparing file systems. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
