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Re: Causes, cures and prevention of orphaned inodes?




On Mon, 2018-02-05 at 19:40 +0100, Felipe Salvador wrote:
> On Sun, Feb 04, 2018 at 11:06:21PM -0200, Henrique de Moraes Holschuh
> wrote:
> > On Sun, 04 Feb 2018, Stephen P. Molnar wrote:
> > > I am running Debian Stretch on am eight thread AMD GPU platform.
> > > Lately, it seems if I have been plagued by surfeit of orphaned
> > > nodes.
> > 
> > That means:
> > 
> > 1. "unlinked" files or directories were still open when the
> > filesystem
> >    had to be shutdown/made read-only.  Uncommon, unless you did
> > something
> >    like breaking the system by having /run on something other than
> >    tmpfs, etc.
> > 
> > 2. Filesystem corruption, most likely due to bad RAM.
> > 
> > 3. Really unusual workload and usage (or *mis*usage ?) pattern that
> >    results in (1), perhaps involving VMs.
> 
> Could it be due to an undersized(or faulty) power supply?
> 
> Could a barely sized power supply, on a heavy load scenario,
> lead to file system corruption?
> 
> Thank you
> 
> > This assumes XFS or ext3/ext4, which seems to be your case.
> > 
> > > At first I though it might be impending hard drive failure as I
> > > started
> > > receiving warning messages from the OS, but installing a brand
> > > new
> > > drive has not solved the problem,  They seem to happen when I am
> > > running  four or more apps at the same time. I have 8GB of RAM in
> > > the
> > > system.
> > 
> > Test that RAM.
> > 
> > > Model name:            AMD FX(tm)-8320 Eight-Core Processor
> > 
> > Ensure you are running the latest AMD microcode on that processor:
> > Update the motherboard firmware (BIOS/UEFI) to the latest version
> > available from your vendor, and *also* install package amd64-
> > microcode
> > from non-free.  Unless you're on the latest AMD microcode on the
> > FX-8300, you cannot even run VMs safely.  Who knows what else could
> > be
> > broken...
> > 
> > -- 
> >   Henrique Holschuh
> 
> Regards


That's an excellent question.  I really don't know.

-- 
Stephen P. Molnar, Ph.D.
Consultant
www.molecular-modeling.net
(614)312-7528 (c)
Skype: smolnar1