Re: Access to Servers hangs after stop one server...

[Diego Remolina <dijuremo@xxxxxxxxx>]

Glusterfs needs quorum, so if you have two servers and one goes down, there is no quorum, so all writes stop until the server comes back up. You can add a third server as an arbiter which does not store data in the bricks, but still uses some minimal space (to keep metadata for the files).

HTH,

DIego

On Wed, Jan 23, 2019 at 3:06 PM Gilberto Nunes <gilberto.nunes32@xxxxxxxxx> wrote:

Hit there...

I have set up two server as replica, like this:

gluster vol create Vol01 server1:/data/storage server2:/data/storage

Then I create a config file in client, like this:

volume remote1

 type protocol/client

 option transport-type tcp

 option remote-host server1

 option remote-subvolume /data/storage

 end-volume

 volume remote2

 type protocol/client

 option transport-type tcp

 option remote-host server2

 option remote-subvolume /data/storage

 end-volume

 volume replicate

 type cluster/replicate

 subvolumes remote1 remote2

 end-volume

 volume writebehind

 type performance/write-behind

 option window-size 1MB

 subvolumes replicate

 end-volume

 volume cache

 type performance/io-cache

 option cache-size 512MB

 subvolumes writebehind

 end-volume

And add this line in /etc/fstab

/etc/glusterfs/datastore.vol /mnt glusterfs defaults,_netdev 0 0

After mount /mnt, I can access the servers. So far so good!

But when I make server1 crash, I was unable to access /mnt or even use 

gluster vol status

on server2

Everything hangon!

I have tried with replicated, distributed and replicated-distributed too.

I am using Debian Stretch, with gluster package installed via apt, provided by Standard Debian Repo, glusterfs-server 3.8.8-1

I am sorry if this is a  newbie question, but glusterfs share it's not suppose to keep online if one server goes down?

Any adviced will be welcome

Best

---

Gilberto Nunes Ferreira

(47) 3025-5907

(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36

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