On Wed, Apr 12, 2023 at 05:08:56AM -0700, Christoph Hellwig wrote: > Let me restate that: you created a new XFS file system, but then tried > to reuse an existing log device for it? Yes (more or less, as the existing log device should be reformatted by xfs_repair). > How did you format the new file system? XFS either expects and internal > log, or a log device? For the above error it must have been formatted > with a different external log? Yes, that's correct. > And then you just switched the mount > option to the log device of the previous file system? I physically replaced the disks. > If so that can't work, and I'm surprised you got so far. Hmm. Does that mean a zeroed log is still different from one that has been freshly created? If that is true, then that would be a difference from the "working" and "not working" cases. Or do you mean that a log device cannot be replaced even if it is physically damaged? A. -- Ansgar Esztermann Sysadmin Dep. Theoretical and Computational Biophysics https://www.mpinat.mpg.de/person/11315/3883774
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