On 2017-07-17 03:07 PM, Chris Adams wrote:
> Once upon a time, Ian said:
>> I think a big advantage compared to native replication is that DRBD offers
>> synchronous replication at the block level as opposed to the transaction
>> level.
>
> However, just like RAID is
Once upon a time, Ian said:
> I think a big advantage compared to native replication is that DRBD offers
> synchronous replication at the block level as opposed to the transaction
> level.
However, just like RAID is not a replacement for backups, DRBD is IMHO
not a
DRBD is absolutely compatible with mysql/postgres.
In my experience, with a 10G pipe for block replication, there's also
basically no performance degradation compared to native disk writes, even
with an SSD array.
> I've always favored native replication over disk replication for
databases. I'm
On 2017-07-17 05:51 AM, Lentes, Bernd wrote:
> Hi,
>
> i established a two node cluster with two HP servers and SLES 11 SP4. I'd
> like to start now with a test period. Resources are virtual machines. The
> vm's reside on a FC SAN. The SAN has two power supplies, two storage
> controller, two
On 07/17/2017 04:51 AM, Lentes, Bernd wrote:
> Hi,
>
> i established a two node cluster with two HP servers and SLES 11 SP4. I'd
> like to start now with a test period. Resources are virtual machines. The
> vm's reside on a FC SAN. The SAN has two power supplies, two storage
> controller, two
On 7/17/2017 4:51 AM, Lentes, Bernd wrote:
I'm asking myself if a DRBD configuration wouldn't be more redundant and high
available.
...
Is DRBD in conjuction with a database (MySQL or Postgres) possible ?
Have you seen https://github.com/ewwhite/zfs-ha/wiki ? -- I recently
deployed one
- On Jul 11, 2017, at 7:25 PM, Bernd Lentes
bernd.len...@helmholtz-muenchen.de wrote:
> Hi,
>
> i established a two node cluster and i'd like to start now a test period with
> some not very important resources.
> I'd like to monitor the cluster via SNMP, so i realize if he's e.g.
Hi,
i established a two node cluster with two HP servers and SLES 11 SP4. I'd like
to start now with a test period. Resources are virtual machines. The vm's
reside on a FC SAN. The SAN has two power supplies, two storage controller, two
network interfaces for configuration. Each storage
> El 17 jul 2017, a las 8:02, Ulrich Windl
> escribió:
>
> Hi!
>
> Could this mean the stonith-timeout is signioficantly larger than the time
> for a complete reboot? So the fenced node would be up again when the cluster
> thinks the fencing has just
Hi!
Could this mean the stonith-timeout is signioficantly larger than the time for
a complete reboot? So the fenced node would be up again when the cluster thinks
the fencing has just completed.
Regards,
Ulrich
P.S: Sorry for the late reply; I was offline for a while...
>>> Cesar Hernandez
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