hardlinking and deleting milions of small files

[Carlos E. R.]

On 2016-07-24 14:38, Arkadiusz Miśkiewicz wrote:
> 
> Hello.
> 
> I'm using rsnapshot to backup big servers (like 5TB fs, 25 000 000 inodes, 
> small files - mailboxes in form of maildirs, so each mail is a separate file). 
> Backup server - kernel 4.6.3, V4 xfs filesystems.
> 
> cp -al for that amount takes about 1.5 day.
> rm -rf of hardlinked copy takes another 1.5 day

I hesitate to suggest reiserfs...
I know it is good in that situation, but I doubt it scales well nowdays.
Your filesystems are far bigger than my experience.

There was some suggestion that btrfs could do it (without snapshots).
But... ? Too green? You could try it up in a spare test server.

-- 
Cheers / Saludos,

		Carlos E. R.

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