Re: [Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread Xavier Hernandez
Hi jayakrishnan, the old implementation was not finally accepted to be included in main glusterfs tree, so it was rewritten in what now is known as ec. disperse is an alias for ec. They are the same. The algorithm implemented is Reed-Solomon. It's really similar to ida (we could say that

Re: [Gluster-users] Website storage recommendations

2016-02-16 Thread Serkan Çoban
You can survive loosing 2 servers out of 5 by using disperse volumes with 3+2 configuration. But in your case, web hosting, with lots of small files and random read/write it is not recommended. Maybe you can test the workload and give it a try. Other than disperse volumes I don't know a solution

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Atin Mukherjee
On 02/17/2016 11:44 AM, songxin wrote: > Hi, > The version of glusterfs on A node and B node are both 3.7.6. > The time on B node is same after rebooting because B node hasn't RTC. > Does it cause the problem? > > If I run " gluster volume start gv0 force " the glusterfsd can be > started but

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Atin Mukherjee
On 02/17/2016 12:23 PM, Atin Mukherjee wrote: > > > On 02/17/2016 12:08 PM, songxin wrote: >> >> Hi, >> But I also don't know why glusterfsd can't be start by glusterd after B >> node rebooted.The version of glusterfs on A node and B node are both >> 3.7.6. Can you explain this for me please?

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Atin Mukherjee
On 02/17/2016 12:08 PM, songxin wrote: > > Hi, > But I also don't know why glusterfsd can't be start by glusterd after B > node rebooted.The version of glusterfs on A node and B node are both > 3.7.6. Can you explain this for me please? Its because the GlusterD has failed to start on Node B.

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread songxin
Hi, But I also don't know why glusterfsd can't be start by glusterd after B node rebooted.The version of glusterfs on A node and B node are both 3.7.6. Can you explain this for me please? Thanks, Xin At 2016-02-17 14:30:21, "Anuradha Talur" wrote: > > >-

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Anuradha Talur
- Original Message - > From: "songxin" > To: "Atin Mukherjee" > Cc: "Anuradha Talur" , gluster-users@gluster.org > Sent: Wednesday, February 17, 2016 11:44:14 AM > Subject: Re:Re: [Gluster-users] question about sync

Re: [Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread jayakrishnan mm
Yes, I meant the algo. I guess , it is the same algo (IDA). Correct me , if I am wrong. Best regards JK On Wed, Feb 17, 2016 at 2:03 PM, Pranith Kumar Karampuri < pkara...@redhat.com> wrote: > > > On 02/17/2016 11:31 AM, jayakrishnan mm wrote: > > Dear Pranith, > > Thanks for the

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread songxin
Hi, The version of glusterfs on A node and B node are both 3.7.6. The time on B node is same after rebooting because B node hasn't RTC. Does it cause the problem? If I run " gluster volume start gv0 force " the glusterfsd can be started but "gluster volume start gv0" don't work. The file

Re: [Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread Pranith Kumar Karampuri
On 02/17/2016 11:31 AM, jayakrishnan mm wrote: Dear Pranith, Thanks for the reply. So GlusterFS 3.7.6 (which is the version I am using) already contains full disperse volume functionality in it ? But where is the IDA implementation ? You mean the algo? You should take a look at

Re: [Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread jayakrishnan mm
Dear Pranith, Thanks for the reply. So GlusterFS 3.7.6 (which is the version I am using) already contains full disperse volume functionality in it ? But where is the IDA implementation ? Best Regards JK On Wed, Feb 17, 2016 at 1:23 PM, Pranith Kumar Karampuri < pkara...@redhat.com>

Re: [Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread Pranith Kumar Karampuri
On 02/17/2016 09:42 AM, jayakrishnan mm wrote: Dear Xavier, I am trying to understand the disperse translator and its usage. From https://lists.gnu.org/archive/html/gluster-devel/2014-01/txttzloLYIJOh.txt , I see there are four components namely gfsys,dfc,ida and heal which

[Gluster-users] disperse volume and its relation to xlators/cluster/ec

2016-02-16 Thread jayakrishnan mm
Dear Xavier, I am trying to understand the disperse translator and its usage. From https://lists.gnu.org/archive/html/gluster-devel/2014-01/txttzloLYIJOh.txt , I see there are four components namely gfsys,dfc,ida and heal which needs to be compiled with GlusterFS main source code.

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Atin Mukherjee
On 02/17/2016 08:23 AM, songxin wrote: > Hi, > Thank you for your immediate and detailed reply.And I have a few more > question about glusterfs. > A node IP is 128.224.162.163. > B node IP is 128.224.162.250. > 1.After reboot B node and start the glusterd service the glusterd log is > as blow.

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread songxin
Hi, Thank you for your immediate and detailed reply.And I have a few more question about glusterfs. A node IP is 128.224.162.163. B node IP is 128.224.162.250. 1.After reboot B node and start the glusterd service the glusterd log is as blow. ... [2015-12-07 07:54:55.743966] I [MSGID: 101190]

[Gluster-users] Website storage recommendations

2016-02-16 Thread Thorvald Hallvardsson
Hi guys, I need to build a backend storage for the website hosting. Storage needs to be highly available and easily expandable. I have 5 servers with 300GB disks for that purpose. I would like to create volume replicated with a 100GB of size. I want the configuration which will accept 2 boxes

Re: [Gluster-users] [Gluster-devel] GlusterFS v3.7.8 client leaks summary — part II

2016-02-16 Thread Soumya Koduri
On 02/16/2016 08:06 PM, Oleksandr Natalenko wrote: Hmm, OK. I've rechecked 3.7.8 with the following patches (latest revisions): === Soumya Koduri (3): gfapi: Use inode_forget in case of handle objects inode: Retire the inodes from the lru list in inode_table_destroy rpc:

Re: [Gluster-users] Question about Gluster Replicated Volume and Replication Manager

2016-02-16 Thread knarra
On 02/16/2016 02:12 AM, Amir Alavi wrote: Hi, I was wondering if anyone could help me with Gluster replicated volume and replication manager.What are they? How do they work? Benefits and drawbacks? I've checked out your website but I still don't quite understand the architecture of these two

Re: [Gluster-users] Fail of one brick lead to crash VMs

2016-02-16 Thread Dominique Roux
Hi guys Thanks a lot for your help. I will now update our servers to glusterfs 3.7.8 and then add the 3rd server as an arbiter. I will update you after that. Thanks a lot Dominique Werde Teil des modernen Arbeitens im Glarnerland auf www.digitalglarus.ch! Lese Neuigkeiten auf Twitter:

Re: [Gluster-users] [Gluster-devel] GlusterFS v3.7.8 client leaks summary — part II

2016-02-16 Thread Oleksandr Natalenko
Hmm, OK. I've rechecked 3.7.8 with the following patches (latest revisions): === Soumya Koduri (3): gfapi: Use inode_forget in case of handle objects inode: Retire the inodes from the lru list in inode_table_destroy rpc: Fix for rpc_transport_t leak === Here is Valgrind

Re: [Gluster-users] [Gluster-devel] GlusterFS v3.7.8 client leaks summary — part II

2016-02-16 Thread Soumya Koduri
On 02/12/2016 11:27 AM, Soumya Koduri wrote: On 02/11/2016 08:33 PM, Oleksandr Natalenko wrote: And "API" test. I used custom API app [1] and did brief file manipulations through it (create/remove/stat). Then I performed drop_caches, finished API [2] and got the following Valgrind log

[Gluster-users] Gluster @ FOSDEM'16 - a report

2016-02-16 Thread Kaushal M
Hi all! I attended FOSDEM this year and was part of the team that put up the Gluster stand. I've written up a small report on the experience at https://kshlm.in/fosdem16/ . I'll be writing up a report on my DevConf experience as well (soon enough). ~kaushal

Re: [Gluster-users] nfs-ganesha/pnfs read/write path on EC volume

2016-02-16 Thread Jiffin Tony Thottan
Hi Serkan, I had moved out previous gfapi-side to ganesha and include all those change in single patch https://review.gerrithub.io/#/c/263180/ I will try get it reviewed and merge the patch as soon as possible. With Regards, Jiffin On 14/02/16 21:54, Serkan Çoban wrote: Thanks for the

[Gluster-users] Backup data from gluster Brick

2016-02-16 Thread Kim Jahn
Hello, is it safe to create desaster recovery backups from the bricks filesystem instead of the gluster storage? It would be much faster. Can there be some data missing or be wrong? I've tried to find an answer to that in the documentation but couldn't find anything. Cheers Kim

[Gluster-users] Peer loss timeout

2016-02-16 Thread Sander Kuusemets
Hello, I have a problem with a two node setup, that are replica 2 servers, and also clients. Actions on node1: gluster peer probe node2 gluster volume create fs replica 2 transport tcp node1:/fs node2:/fs force gluster volume start fs mount -t glusterfs node1:/fs /test Actions on node2:

Re: [Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread Anuradha Talur
- Original Message - > From: "songxin" > To: gluster-users@gluster.org > Sent: Tuesday, February 16, 2016 3:59:50 PM > Subject: [Gluster-users] question about sync replicate volume after > rebooting one node > > Hi, > I have a question about how to sync volume

Re: [Gluster-users] Failure after update

2016-02-16 Thread ousmane sanogo
i update from 3.7.6 to 3.7.8 I am on Centos 7.2 [root@compute1 ~]# gluster volume status Status of volume: vol_cinder Gluster process TCP Port RDMA Port Online Pid -- Brick

[Gluster-users] question about sync replicate volume after rebooting one node

2016-02-16 Thread songxin
Hi, I have a question about how to sync volume between two bricks after one node is reboot. There are two node, A node and B node.A node ip is 128.124.10.1 and B node ip is 128.124.10.2. operation steps on A node as below 1.gluster peer probe 128.124.10.2 2.mkdir -p /data/brick/gv0

Re: [Gluster-users] Failure after update

2016-02-16 Thread Niels de Vos
On Tue, Feb 16, 2016 at 08:35:05AM +, ousmane sanogo wrote: > Hello i .update my gluster node yesterday > I am using cinder openstack with gluster > And i have this warning after update : > > warning: > /var/lib/glusterd/vols/vol_cinder/vol_cinder.172.16.10.2.glusterfs-cinder.vol > saved as

[Gluster-users] Failure after update

2016-02-16 Thread ousmane sanogo
Hello i .update my gluster node yesterday I am using cinder openstack with gluster And i have this warning after update : warning: /var/lib/glusterd/vols/vol_cinder/vol_cinder.172.16.10.2.glusterfs-cinder.vol saved as