[Gluster-users] Recovery when 2 of 3 servers goes down!

[Gilberto Nunes]

yeah... 600 secs in matter of fact! Don't know why this value is so high.
---
Gilberto Nunes Ferreira





Em sex., 17 de jul. de 2020 às 20:17, Artem Russakovskii <
archon810 at gmail.com> escreveu:

> No problem.
>
> Oh I also had to set
>
>> gluster v set VMS network.ping-timeout 5
>
> because in case a server went down and started timing out (full shutdown),
> the default value was so high (I think 60s) that it made all nodes straight
> up freeze for this long before serving the files.
>
> Sincerely,
> Artem
>
> --
> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
> <http://www.apkmirror.com/>, Illogical Robot LLC
> beerpla.net | @ArtemR <http://twitter.com/ArtemR>
>
>
> On Fri, Jul 17, 2020 at 2:39 PM Gilberto Nunes <gilberto.nunes32 at gmail.com>
> wrote:
>
>> Yes Artem! That's it!
>> I used the following commands and everything works as expected with 3
>> nodes:
>>
>> gluster volume create VMS proxmox01:/DATA/vms
>>
>> gluster vol start VMS
>> gluster vol status VMS
>>
>> gluster peer probe proxmox02
>> gluster volume add-brick VMS replica 2 proxmox02:/DATA/vms
>>
>> gluster vol status VMS
>> gluster vol info VMS
>>
>> gluster peer probe proxmox03
>> gluster volume add-brick VMS replica 3 proxmox03:/DATA/vms
>>
>> gluster vol set VMS cluster.heal-timeout 60
>> gluster volume heal VMS enable
>> gluster vol set VMS cluster.quorum-reads false
>> gluster vol set VMS cluster.quorum-count 1
>>
>>
>> Thanks for you replay
>>
>> Cheers
>>
>>
>> ---
>> Gilberto Nunes Ferreira
>>
>>
>>
>> Em sex., 17 de jul. de 2020 às 16:56, Artem Russakovskii <
>> archon810 at gmail.com> escreveu:
>>
>>> I had the same requirements (except with 4 servers and no arbiter), and
>>> this was the solution:
>>>
>>> gluster v set VMS cluster.quorum-count 1
>>>
>>> gluster v set VMS cluster.quorum-type fixed
>>>
>>> Sincerely,
>>> Artem
>>>
>>> --
>>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>>> <http://www.apkmirror.com/>, Illogical Robot LLC
>>> beerpla.net | @ArtemR <http://twitter.com/ArtemR>
>>>
>>>
>>> On Fri, Jul 17, 2020 at 6:50 AM Gilberto Nunes <
>>> gilberto.nunes32 at gmail.com> wrote:
>>>
>>>> How there
>>>>
>>>> I have 3 servers with gluster 7 installed and setting up with replica 3
>>>> and arbiter 1.
>>>> Here's the commands I used:
>>>> - First create a simple volume with one server:
>>>> gluster volume create VMS proxmox01:/DATA/vms
>>>> - Then add the second one
>>>> gluster peer probe proxmox02
>>>> gluster volume add-brick VMS replica 2 proxmox02:/DATA/vms
>>>> - And finally and the third:
>>>> gluster peer probe proxmox03
>>>> gluster volume add-brick VMS replica 3 arbiter 1 proxmox03:/DATA/vms
>>>>
>>>> But then I decide to test the environment and bring proxmox02 and
>>>> proxmox03 down and get Transport endpoint is not connected after a few
>>>> seconds.
>>>> Is there a way to keep one server up if 2 goes down?
>>>> gluster vol info
>>>>
>>>> Volume Name: VMS
>>>> Type: Replicate
>>>> Volume ID: 64735da4-8671-4c5e-b832-d15f5c03e9f0
>>>> Status: Started
>>>> Snapshot Count: 0
>>>> Number of Bricks: 1 x (2 + 1) = 3
>>>> Transport-type: tcp
>>>> Bricks:
>>>> Brick1: proxmox01:/DATA/vms
>>>> Brick2: proxmox02:/DATA/vms
>>>> Brick3: proxmox03:/DATA/vms (arbiter)
>>>> Options Reconfigured:
>>>> nfs.disable: on
>>>> storage.fips-mode-rchecksum: on
>>>> transport.address-family: inet
>>>> performance.client-io-threads: off
>>>> cluster.self-heal-daemon: enable
>>>> cluster.quorum-reads: false
>>>> cluster.quorum-count: 1
>>>>
>>>> gluster vol status
>>>> Status of volume: VMS
>>>> Gluster process                             TCP Port  RDMA Port  Online
>>>>  Pid
>>>> ------------------------------------------------------------------------------
>>>>
>>>> Brick proxmox01:/DATA/vms                   49152     0          Y
>>>>       1526
>>>> Self-heal Daemon on localhost               N/A       N/A        Y
>>>>       1537
>>>>
>>>> Task Status of Volume VMS
>>>> ------------------------------------------------------------------------------
>>>>
>>>> There are no active volume tasks
>>>>
>>>>
>>>> Thanks a lot
>>>>
>>>>
>>>> ---
>>>> Gilberto Nunes Ferreira
>>>>
>>>> (47) 3025-5907
>>>> (47) 99676-7530 - Whatsapp / Telegram
>>>>
>>>> Skype: gilberto.nunes36
>>>>
>>>>
>>>>
>>>> ________
>>>>
>>>>
>>>>
>>>> Community Meeting Calendar:
>>>>
>>>> Schedule -
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>>>>
>>>
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