SIS and Filesystem level backups (was just Re: Filesystem level backups?)

Tanstaafl tanstaafl at
Fri Apr 20 18:15:31 EEST 2018

Bummer, apparently things haven't changed (for the better) with respct
to backup sand SIS...


On 4/9/2018, 12:28:31 PM, Tanstaafl <tanstaafl at> wrote:
> On 4/9/2018, 11:34:40 AM, Ivan Warren <ivan at> wrote:
>> Le 4/9/2018 à 4:56 PM, DurgaPrasad - DatasoftComnet a écrit :
>>> Does doveadm backup backup the attachments as well when using SIS? 
>> As far as I know, it does (it de-shares shared attachments)
>> I've used that solution to stop using SIS at one point (it created
>> more problems than it solved - especially permission issues)
> Hi Ivan,
> Mind if I ask for details?
> (and maybe Aki or Timo):
> I was considering implementing SIS on a new server I'm planning (won't
> be for a few months now probably). I had decided against it a long time
> ago because it was new, and there were drawbacks (backups not being
> properly accounted for being one of the big ones). I was hoping it had
> matured a lot since then and the drawbacks at the time were mostly
> history. Maybe that is not the case?
> If not, are there open bugs dealing with the issues, and plan for
> addressing them? Or is SIs just probably not ever going to be ready for
> prime time?

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