linux-kernel - Re: Regression in 5.1.20: Reading long directory fails

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Message-Id: <70F51337-A68B-473B-88B9-0CAC3D6F2AB9@oracle.com>
Date:   Tue, 3 Sep 2019 15:08:22 -0400
From:   Chuck Lever <chuck.lever@...cle.com>
To:     Jason L Tibbitts III <tibbs@...h.uh.edu>
Cc:     Wolfgang Walter <linux@...m.de>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        linux-nfs@...r.kernel.org, km@...all.com,
        linux-kernel@...r.kernel.org
Subject: Re: Regression in 5.1.20: Reading long directory fails


On Sep 3, 2019, at 3:06 PM, Jason L Tibbitts III <tibbs@...h.uh.edu> wrote:

>>>>>> "WW" == Wolfgang Walter <linux@...m.de> writes:
> 
> WW> What filesystem do you use on the server? xfs?
> 
> Yeah, it's XFS.
> 
> WW> If yes, does it use 64bit inodes (or started to use them)?
> 
> These filesystems aren't super old, and were all created with the
> default RHEL7 options.

I think that means no 64-bit inodes.


> I'm not sure how to check that 64 bit inodes are
> being used, though.  xfs_info says:
> 
> meta-data=/dev/mapper/nas-faculty--08 isize=256    agcount=4, agsize=3276800 blks
>         =                       sectsz=512   attr=2, projid32bit=1
>         =                       crc=0        finobt=0 spinodes=0
> data     =                       bsize=4096   blocks=13107200, imaxpct=25
>         =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0 ftype=0
> log      =internal               bsize=4096   blocks=6400, version=2
>         =                       sectsz=512   sunit=0 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> 
> WW> Do you set a fsid when you export the filesystem?
> 
> I have never done so on any server.
> 
> And note that the servers are basically unchanged for quite some time,
> while the problem I'm having is new.  I want to find some server-related
> cause for this but so far I haven't been able to do so.  It seems my
> best option now seems to be to migrate all data off of this server and
> then wipe, reinstall and see if the problem reoccurs.
> 
> - J<