Tough question.  People have their own preferences for particular file systems.  I have used ext2, ext3, ext4, xfs, & btrfs over the years with BackupPC.  In the end I prefer to use BTRFS.  I like the subvolume/snapshot capabilities and it works fabulous on ARM devices.

XFS has been very stable.  It's still running on a legacy CentOS system I admin with 20TB of storage.  I recently converted to 4.x and it continues to plug away.  Won't be changed until the system is retired.

So from my experience there are a number of very good file systems available; I chose one that provides capabilities I desire.

As to performance - my biggest challenge is always the network.  It can never be fast enough!

Cheers!

mph

On 2017-04-18 13:22, Michael McGregor wrote:

Hello,

 

I'm at the point of running the actual installer for BackupPC 4.1.1 and I realized I need to configure my backupPC volume on my filesystem! I have a dedicated 12 TB RAID 6 for BackupPC, but I haven't formatted it yet for use. So my question is, what file system would be best for BackupPC? Both in stability and performance?

 

I am running on CentOS 7.3.1611.

 

Thanks!

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