[Gluster-users] Understand Geo Replication of a big Gluster

Axel Gruber axel at agm.de
Thu Jun 14 20:02:58 UTC 2018


First of all Thank you for Information

As First Try i want to setup Geo -Replication in a Test System with Virtual

So for the Test i have a distributed Gluster with 3 Nodes:

Status of volume: gpool
Gluster process                             TCP Port  RDMA Port  Online  Pid
Brick glusers1:/mnt/glust/gpool             49152     0          Y       568
Brick glusers2:/mnt/glust/gpool             49152     0          Y       574
Brick glusers3:/mnt/glust/gpool             49152     0          Y       665
NFS Server on localhost                     2049      0          Y
NFS Server on glusers2                      2049      0          Y       926
NFS Server on glusers3                      2049      0          Y       695

on The Slave Side i have created also a  volume

Status of volume: geovol
Gluster process                             TCP Port  RDMA Port  Online  Pid
Brick glusergeo:/mnt/glust/geo              49152     0          Y       629

The Maser Side can "see" the Hostname and Ping the IP of the Slave
root at glusters1:~# ping glusergeo
PING glusergeo ( 56(84) bytes of data.
64 bytes from glusergeo ( icmp_seq=1 ttl=64 time=3.85 ms

So for Test i not want to use SSH and i Tryed:

root at glusters1:~# gluster volume geo-replication gpool glusergeo:/geovol
Invalid Url: glusergeo:/geovol

Is it not possible to user geoReplication without SSH ?

Best Regards

Am Do., 14. Juni 2018 um 16:27 Uhr schrieb Milind Changire <
mchangir at redhat.com>:

> Hello Axel,
> A warm welcome to you and happy to see you board the Gluster ship.
> geo-replication requires two clusters: one master cluster which is the
> source cluster and the second cluster called the slave cluster which is the
> destination cluster
> Just as you have created a primary/master cluster, you need to create
> another cluster out of the backup servers in whatever configuration (volume
> type) you want to create. The volume type of the slave cluster need not be
> the same as the master cluster.
> Once you've created the slave cluster, you can then use geo-replication
> commands to create a communication channel between the two clusters so that
> the sources from the master cluster are replicated to the slave cluster and
> to keep pushing any updates to the slave cluster.
> Hope this helps.
> On Thu, Jun 14, 2018 at 6:23 PM, Axel Gruber <axel at agm.de> wrote:
>> Hello
>> Im new on GlusterFS - so a warm hello to everyone here...
>> Im testing GlusterFS since some Weeks in different configurations for a
>> big Media Storage
>> Currently for start we plan a distributed / Replicated Gluster with for
>> Nodes (4x70Tb)
>> I tryed this within a Test Area on differenzt Virtual Machines - works
>> fine.
>> But for security Reason we also plan Geo Replication of the Whole
>> Gluster. I have read Doc  - but one thing i dont understand:
>> For example our Start Gluster has 4 Nodes (4x70TB  Replicated and
>> Distributed) i have 140TB Capacity.
>> So when i want to Geo Replicate this Volume i dont have a sigle Server
>> wich is able to store 140GB (or later more) - but i can have several Backup
>> Servers with a total Sice of 140TB
>> So my Question
>> How can i say Gluster FS in Geo Replication to use all of this Backup
>> Servers to GEO REplicate the whole Storage using all Backup Server.
>> Best Regards
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users
> --
> Milind
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