[DRBD-user] DRBD over ZFS - or the other way around?

Yannis Milios yannis.milios at gmail.com
Wed Sep 6 16:03:32 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


...I mean by cloning it first, since snapshot does not appear as blockdev
to the system but the clone does.

On Wed, Sep 6, 2017 at 2:58 PM, Yannis Milios <yannis.milios at gmail.com>
wrote:

> Even in that case I would prefer to assemble a new DRBD device ontop of
> the ZVOL snapshot and then mount the DRBD device instead :)
>
> On Wed, Sep 6, 2017 at 2:56 PM, Gionatan Danti <g.danti at assyoma.it> wrote:
>
>> On 06/09/2017 15:31, Yannis Milios wrote:
>>
>>> If your topology is like the following:  HDD -> ZFS (ZVOL) -> DRBD ->
>>> XFS then I believe it should make sense to always mount at the DRBD level
>>> and not at the ZVOL level which happens to be the underlying blockdev for
>>> DRBD.
>>>
>> Sure! Directly mounting the DRBD-backing ZVOL would, at the bare minumum,
>> ruin the replication with the peer.
>>
>> I was speaking about mounting ZVOLs *snapshots* to access previous data
>> version.
>>
>> Regards.
>>
>>
>> --
>> Danti Gionatan
>> Supporto Tecnico
>> Assyoma S.r.l. - www.assyoma.it
>> email: g.danti at assyoma.it - info at assyoma.it
>> GPG public key ID: FF5F32A8
>>
>
>
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