Re: [PLUG] large_dir support on ext4

[Walt Mankowski via plug <plug@lists.phillylinux.org>]

Update -- adding large_dir support did the trick! The regression
worked, and last night's backup worked as well.

On Fri, Sep 13, 2019 at 08:42:40AM -0400, Walt Mankowski via plug wrote:
> I've run into the limit of how many files ext4 can store in a
> directory. Read [1] for more details, but basically it involves the
> way in which rdiff-backup tracks deleted files.
> 
> After writing that blog post I reran the backup with the directory in
> question excluded, but it still must have been trying to update it
> because it crashed with the same error.
> 
> I used tune2fs to add large_dir support to the filesystem in hopes of
> getting around this problem. It returned very quickly, which makes me
> suspect it will only be applied to new directories, not existing
> ones. I'm asking here on the off chance anyone might happen to know
> for sure.
> 
> I've restarted the regression/backup process to see if it'll work this
> time, but I'm not optimistic. Unfortunately it takes about 24 hours to
> reach the point where it crashes, so I'll report back over the
> weekend.
> 
> Walt
> 
> 1. http://www.mawode.com/blog/blog/2019/09/12/ext4-directory-size-limits/



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