BTRFS : what the aim in DSM , no dedup, no snapshot ...

Synology is taking a new approach to the architecture of DSM and its packages. As a fully mature operating system, DSM shall focus on the basic tools for running your Synology NAS, meaning other essential services and features can be developed independently with less dependence on DSM itself. This new approach will provide a lighter, more responsive DSM and a better-customized NAS experience.
ledufakademy
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BTRFS : what the aim in DSM , no dedup, no snapshot ...

Postby ledufakademy » Fri Feb 17, 2017 5:28 pm

:twisted:
hello,

i'm testing BTRFS wirh DSM 6.1 and i 'm trying to take benefit of deduplication or snapshot but for deduplication doesn't work at all !!

copying 3 times the same file always increase disk consumed space ... so there is no dedup !

am i missing someting with DSM btrfs implementation ?
sincarne
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Re: BTRFS : what the aim in DSM , no dedup, no snapshot ...

Postby sincarne » Fri Feb 17, 2017 8:03 pm

Would be very happy to see it but I have not see it ever say it would be supported
ledufakademy
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Re: BTRFS : what the aim in DSM , no dedup, no snapshot ...

Postby ledufakademy » Sat Feb 18, 2017 12:37 am

sincarne wrote:Would be very happy to see it but I have not see it ever say it would be supported


during conf at la bourse i paris for dsm 6.1 !

what the aim to use btrfs if you don't use dedup, snapshot ? nor raid1 or 10 features?
sincarne
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Re: BTRFS : what the aim in DSM , no dedup, no snapshot ...

Postby sincarne » Sat Feb 18, 2017 12:38 am

ledufakademy wrote:
sincarne wrote:Would be very happy to see it but I have not see it ever say it would be supported


during conf at la bourse i paris for dsm 6.1 !

what the aim to use btrfs if you don't use dedup, snapshot ? nor raid1 or 10 features?


Snapshot is there. Always has. Dedupe is in Hyper Backup not BTRFS
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vvv850
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Re: BTRFS : what the aim in DSM , no dedup, no snapshot ...

Postby vvv850 » Sat Feb 18, 2017 5:57 pm

ledufakademy wrote::twisted:
hello,

i'm testing BTRFS wirh DSM 6.1 and i 'm trying to take benefit of deduplication or snapshot but for deduplication doesn't work at all !!

copying 3 times the same file always increase disk consumed space ... so there is no dedup !

am i missing someting with DSM btrfs implementation ?


I think your confusing CoW with inline dedup or offline dedup (both of which are not implemented_. You can use BTRFS CoW using Hyperbackup or Filestation for file/folder copy.
DS209+II DSM 2.3-1139 <> 2x1TB Seagate ST31000528AS firmware CC38 RAID1
DS710+ DSM 2.3-1161 <> 2x1TB Seagate ST31000528AS firmware CC38 RAID1

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