Re: [lustre-discuss] DNE v3 and directory inode changing

2023-03-24 Thread Andreas Dilger via lustre-discuss
On Mar 24, 2023, at 13:20, Bertschinger, Thomas Andrew Hjorth mailto:bertschin...@lanl.gov>> wrote: Thanks, this is helpful. We certainly don't need the auto-split feature and were just experimenting with it, so this should be fine for us. And we have been satisfied with the round robin

Re: [lustre-discuss] DNE v3 and directory inode changing

2023-03-24 Thread Bertschinger, Thomas Andrew Hjorth via lustre-discuss
Thanks, this is helpful. We certainly don't need the auto-split feature and were just experimenting with it, so this should be fine for us. And we have been satisfied with the round robin directory creation so far. Just out of curiosity, is the auto-split feature still being actively worked on

Re: [lustre-discuss] DNE v3 and directory inode changing

2023-03-23 Thread Andreas Dilger via lustre-discuss
The DNE auto-split functionality is disabled by default and not fully completed (e.g. preserve inode numbers) because it had issues with significant performance impact/latency while splitting a directory that was currently in use (which is exactly when you would want to use it), so I wouldn't

[lustre-discuss] DNE v3 and directory inode changing

2023-03-23 Thread Bertschinger, Thomas Andrew Hjorth via lustre-discuss
Hello, We've been experimenting with DNEv3 recently and have run into this issue: https://jira.whamcloud.com/browse/LU-7607 where the directory inode number changes after auto-split. In addition to the problem noted with backups that track the inode number, we have found that file access