[Gluster-users] Automatic Failover

[Mohit Anchlia]

Thanks! I am still trying to figure out how it works with HTTP. In
some docs I see that GFS supports HTTP and I am not sure how that
works. Does anyone know how that works or what has to be done to make
it available over HTTP?

On Mon, Mar 7, 2011 at 11:14 PM, Daniel Müller <mueller at tropenklinik.de> wrote:
> If you use a http-server,samba... ex:apache you need ucarp. There is a
> little blog about it:
> http://www.misdivision.com/blog/setting-up-a-highly-available-storage-cluste
> r-using-glusterfs-and-ucarp
>
> Ucarp gives you a virt. Ip for your httpd. if the one is down the second
> with the same IP is still alive and serving. Glusterfs serves
> the data in ha mode. Try it it works like a charm.
>
> -----------------------------------------------
> EDV Daniel Müller
>
> Leitung EDV
> Tropenklinik Paul-Lechler-Krankenhaus
> Paul-Lechler-Str. 24
> 72076 Tübingen
>
> Tel.: 07071/206-463, Fax: 07071/206-499
> eMail: mueller at tropenklinik.de
> Internet: www.tropenklinik.de
> -----------------------------------------------
>
> -----Ursprüngliche Nachricht-----
> Von: Mohit Anchlia [mailto:mohitanchlia at gmail.com]
> Gesendet: Montag, 7. März 2011 18:47
> An: mueller at tropenklinik.de; gluster-users at gluster.org
> Betreff: Re: [Gluster-users] Automatic Failover
>
> Thanks! Can you please give me some scenarios where applications will
> need ucarp, are you referring to nfs clients?
>
> Does glusterfs support http also? can't find any documentation.
>
> On Mon, Mar 7, 2011 at 12:34 AM, Daniel Müller <mueller at tropenklinik.de>
> wrote:
>> Yes the normal way the clients will follow the failover but some
>> applications and services running on top
>> Of glusterfs will not and will need this.
>>
>> -----------------------------------------------
>> EDV Daniel Müller
>>
>> Leitung EDV
>> Tropenklinik Paul-Lechler-Krankenhaus
>> Paul-Lechler-Str. 24
>> 72076 Tübingen
>>
>> Tel.: 07071/206-463, Fax: 07071/206-499
>> eMail: mueller at tropenklinik.de
>> Internet: www.tropenklinik.de
>> -----------------------------------------------
>>
>> -----Ursprüngliche Nachricht-----
>> Von: Mohit Anchlia [mailto:mohitanchlia at gmail.com]
>> Gesendet: Freitag, 4. März 2011 18:36
>> An: mueller at tropenklinik.de; gluster-users at gluster.org
>> Betreff: Re: [Gluster-users] Automatic Failover
>>
>> Thanks! I thought for native clients failover is inbuilt. Isn't that true?
>>
>> On Thu, Mar 3, 2011 at 11:46 PM, Daniel Müller <mueller at tropenklinik.de>
>> wrote:
>>> I use ucarp to make a real failover for my gluster-vols
>>> For the clients:
>>> Ex:In  my ucarp config, vip-001.conf on both nodes (or nnn... nodes):
>>>
>>> vip-001.conf on node1
>>> #ID
>>> ID=001
>>> #Network Interface
>>> BIND_INTERFACE=eth0
>>> #Real IP
>>> SOURCE_ADDRESS=192.168.132.56
>>> #Virtual IP used by ucarp
>>> VIP_ADDRESS=192.168.132.58
>>> #Ucarp Password
>>> PASSWORD=Password
>>>
>>> On node2
>>>
>>> #ID
>>> ID=002
>>> #Network Interface
>>> BIND_INTERFACE=eth0
>>> #Real IP
>>> SOURCE_ADDRESS=192.168.132.57
>>> #Virtual IP used by ucarp
>>> VIP_ADDRESS=192.168.132.58
>>> #Ucarp Password
>>> PASSWORD=Password
>>>
>>> Then
>>> mount -t glusterfs 192.168.132.58:/samba-vol /mnt/glusterfs
>>> Set enries in fstab:
>>>
>>> 192.168.132.58:/samba-vol /mnt/glusterfs glusterfs defaults 0 0
>>>
>>> Now one Server fails there is still the same service on for the clients.
>>>
>>> -----------------------------------------------
>>> EDV Daniel Müller
>>>
>>> Leitung EDV
>>> Tropenklinik Paul-Lechler-Krankenhaus
>>> Paul-Lechler-Str. 24
>>> 72076 Tübingen
>>>
>>> Tel.: 07071/206-463, Fax: 07071/206-499
>>> eMail: mueller at tropenklinik.de
>>> Internet: www.tropenklinik.de
>>> -----------------------------------------------
>>> -----Ursprüngliche Nachricht-----
>>> Von: gluster-users-bounces at gluster.org
>>> [mailto:gluster-users-bounces at gluster.org] Im Auftrag von Mohit Anchlia
>>> Gesendet: Freitag, 4. März 2011 03:46
>>> An: gluster-users at gluster.org
>>> Betreff: [Gluster-users] Automatic Failover
>>>
>>> I am actively trying to find out how automatic failover works but not
>>> able to find how? Is it in the mount option or where do we give if
>>> node 1 is down then write to node 2 or something like that. Can
>>> someone please explain how it work?
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>>
>>>
>>
>>
>
>