Walt Mankowski via plug on 10 Nov 2025 08:53:48 -0800


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Re: [PLUG] XFS limits


On Mon, Nov 10, 2025 at 11:40:42AM -0500, Keith C. Perry wrote:
> I've never run into any limits with XFS.  I have encrypted containers (i.e. a single file) that are 4Tb and larger.  I also have paths that often contain more than 4Tb.

Thanks. That's more or less what I expected.

> Perhaps you somehow set a quota or file/path exclusions (on the source) ?

I didn't, but it's possible the sysadmin set the quota.

Walt


> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 
> Keith C. Perry, MS E.E. 
> Managing Member, DAO Technologies LLC 
> (O) +1.215.525.4165 x2033 
> (M) +1.215.432.5167 
> [ http://www.daotechnologies.com/ | www.daotechnologies.com ]
> 
> ----- Original Message -----
> From: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
> To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
> Sent: Monday, November 10, 2025 11:11:32 AM
> Subject: [PLUG] XFS limits
> 
> Hi all,
> 
> Anyone have any experience using XFS? I just ran into a weird error.
> I'm wondering if maybe there's a limit of 4 TB of files in a single
> directory.
> 
> An rsync job just quietly stopped working. To be specific, it acted
> like it was still working and no errors were reported, but at some
> point overnight files stopped being stored on the remote box.
> 
> I was trying to transfer 4.9 TB of files, all in a single directory.
> (Don't ask.) I thought it was getting close to finishing, but when I
> looked closer I saw that the last file on the remote box had a
> timestamp from around 2 AM this morning.
> 
> It's also possible we hit a 4 TB quota, but then I'd have expected to
> get an error.
> 
> Thanks.
> 
> Walt
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