[plug] Filesystems for lots of inodes

[Chris Hoy Poy]

You would end up running xfs on top of ceph anyway :-) (unless you don't
care about your data, then you could give cephfs a try !)

/Chris

On Sun, 5 Jan 2020, 8:29 pm Gregory Orange, <home at oranges.id.au> wrote:

> I suppose I should mention Ceph since we're talking about resilient
> storage systems, but it's likely out of scope here. Bare minimum of three
> physical nodes, scales up real big. Refuses to lose data, despite our
> valiant attempts over the past three years. Mimic version is probably
> better suited to production loads than Nautilus given our recent
> experiences. It's an object store, so if you want file, that's at least one
> more layer on top.
>
>
> -- Gregory Orange
>
> Sent from phone
>
>
>
> -------- Original Message --------
> On 4 Jan 2020, 13:20, Brad Campbell < brad at fnarfbargle.com> wrote:
>
>
> On 4/1/20 1:01 pm, Bill Kenworthy wrote:
>
> > Hi Brad,
> >
> >     I have had a lot of pain from ext4 over the years and have really
> > only started using it again seriously recently ... and I must admit, its
> > a lot better than it was but I will move off it when I get time - been
> > burnt by it too often.
> >
> > reiserfs3 was my goto for inode problems in the past (its still there,
> > and I think maintained) but I moved to btrfs after the Hans Reiser saga
> > and while it has its ups and downs, stability under punishment that
> > kills ext3/4 with live scrub and snapshots made it great.
> >
> > Currently I am moving to moosefs on xfs and am impressed - particularly
> > with xfs so far. Live power off, various failure tests etc. and I have
> > not lost any data.
> >
> > For backup I use moosefs snapshots and borgbackup (main repository is
> > also on moosefs - daily + some data is 10 minutely, as well as an
> > offline borgbackup on btrfs removable drive, this once a week or so) as
> > the backup software.  I previously used dirvish for many years though it
> > had a tendency to eat ext4 file systems, it was great on reiserfs and
> > btrfs.
> >
> > Hope this helps with ideas.
>
> G'day Bill,
>
> It does. Thanks. Interesting how peoples experiences differ. I've always
> used ext[234], abused them severely and never lost a byte.
>
> My only foray into an alternative filesystem was helping a mate with a
> large btrfs layout, but after it "ran out of space" and ate about 13T of
> his data, and the response from the developers was "yeah, it can do
> that" we never looked at it again. A bit like bcache, it always seemed
> to be "almost there as long as you only use it in certain circumstances
> that never expose the corner cases".
>
> I'll have a serious play with xfs and see how it performs. I know all
> the little NAS WD Mybooks I've bought over the years have all had xfs as
> their main storage pool, but I've always converted them to ext[234].
>
> I'll add moosefs and borgbackup to my long list of "must take a look at
> that one day".
>
> Regards,
> Brad
> --
> An expert is a person who has found out by his own painful
> experience all the mistakes that one can make in a very
> narrow field. - Niels Bohr
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