[plug] Filesystems for lots of inodes

[Bill Kenworthy]

On 4/1/20 1:20 pm, Brad Campbell 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

Add openzfs to you xfs tests - I didnt get to check it out before I had 
to commit but its on my list for the future - there are pro's/con's and 
it seems zfs may have a slight advantage being COW, but behind on IO.  
In my look at it it seems there is not much to choose between them though.


BillK