Re: [BackupPC-users] Recommended settings for BackupPC v4 on ZFS

2019-09-11 Thread Carl Soderstrom
On 09/11 09:40 , Alexander Moisseev via BackupPC-users wrote: > On 11.09.2019 18:19, Robert Trevellyan wrote: > > I'm letting ZFS do the compression (using the default of LZ4) with BackupPC > > handling deduplication. I think you'll find a reasonable consensus that ZFS > > compression is always

Re: [BackupPC-users] Recommended settings for BackupPC v4 on ZFS

2019-09-11 Thread Carl Soderstrom
Yeah, 'noatime' is a good idea for BackupPC in general. Thanks for the advice on compression, it's good to know. On 09/11 11:26 , Robert Trevellyan wrote: > One more thing about ZFS in general - I always set noatime. -- Carl Soderstrom Systems Administrator Real-Time Enterprises

Re: [BackupPC-users] Recommended settings for BackupPC v4 on ZFS

2019-09-11 Thread Alexander Moisseev via BackupPC-users
On 11.09.2019 18:19, Robert Trevellyan wrote: I'm letting ZFS do the compression (using the default of LZ4) with BackupPC handling deduplication. I think you'll find a reasonable consensus that ZFS compression is always a win for storage space (it will store un-compressible data unmodified),

Re: [BackupPC-users] Recommended settings for BackupPC v4 on ZFS

2019-09-11 Thread Robert Trevellyan
I'm letting ZFS do the compression (using the default of LZ4) with BackupPC handling deduplication. I think you'll find a reasonable consensus that ZFS compression is always a win for storage space (it will store un-compressible data unmodified), whereas ZFS deduplication is best avoided in most

Re: [BackupPC-users] Recommended settings for BackupPC v4 on ZFS

2019-09-11 Thread Robert Trevellyan
One more thing about ZFS in general - I always set noatime. Robert Trevellyan On Tue, Sep 10, 2019 at 10:50 PM Carl Soderstrom < carl.soderst...@real-time.com> wrote: > Thanks for the advice. Anyone else care to share their experience? > > On 09/10 02:57 , Ray Frush wrote: > > We backup to a