Dear Ray: I am happy to report that Backuppc is happy over here with a
very large  drive: I have a 22TB RAID 6 going (a lot of overkill) and
it's 31% full. Backuppc reports the pool would be 66.64 T if not for
pooling and has reduced that to 8 TB. I'm a happy camper. 

I'm using an SAS backplane with (8) 4 TB SATA drives in RAID 6.

Hope this helps,


Bob



On Tue, 2017-07-18 at 16:29 -0600, Ray Frush wrote:
> Our BackupPC 4.1.3 pool hit >80% utilization, and I'm contemplating
> extending it past 4TiB as we continue to add systems to our backups.
> Pool is 3237.37GiB comprising 12776990 files and 16512 directories
> (as of 7/18 01:44),
> In a previous $JOB, I never had a pool get much larger than about
> 2.5TiB, so I'm not entirely certain what the limits of BackupPC are.
> 
> Are there reliable reports available of people who have a BackupPC
> file system >4TiB?   Are there any gotcha's that the developers are
> aware of as a pool starts to get into this size range?   What is a
> practical upper end for BackupPC to manage?
> 
> Thanks
> 
> 
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