[Gluster-users] Fwd: Replica brick not working
Miloš Čučulović - MDPI
cuculovic at mdpi.com
Thu Dec 8 14:22:13 UTC 2016
A note to add, when checking the
sudo gluster volume heal storage info
I am getting more than 2k Number of entries, but no file on storage
server (replica).
- Kindest regards,
Milos Cuculovic
IT Manager
---
MDPI AG
Postfach, CH-4020 Basel, Switzerland
Office: St. Alban-Anlage 66, 4052 Basel, Switzerland
Tel. +41 61 683 77 35
Fax +41 61 302 89 18
Email: cuculovic at mdpi.com
Skype: milos.cuculovic.mdpi
On 08.12.2016 14:23, Atin Mukherjee wrote:
>
>
> On Thu, Dec 8, 2016 at 6:44 PM, Miloš Čučulović - MDPI
> <cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>> wrote:
>
> Ah, damn! I found the issue. On the storage server, the storage2 IP
> address was wrong, I inversed two digits in the /etc/hosts file,
> sorry for that :(
>
> I was able to add the brick now, I started the heal, but still no
> data transfer visible.
>
>
> @Ravi/Pranith - can you help here?
>
>
>
> By doing gluster volume status, I have
>
> Status of volume: storage
> Gluster process TCP Port RDMA Port Online Pid
> ------------------------------------------------------------------------------
> Brick storage2:/data/data-cluster 49152 0 Y 23101
> Brick storage:/data/data-cluster 49152 0 Y 30773
> Self-heal Daemon on localhost N/A N/A Y 30050
> Self-heal Daemon on storage N/A N/A Y 30792
>
>
> Any idea?
>
> On storage I have:
> Number of Peers: 1
>
> Hostname: 195.65.194.217
> Uuid: 7c988af2-9f76-4843-8e6f-d94866d57bb0
> State: Peer in Cluster (Connected)
>
>
> - Kindest regards,
>
> Milos Cuculovic
> IT Manager
>
> ---
> MDPI AG
> Postfach, CH-4020 Basel, Switzerland
> Office: St. Alban-Anlage 66, 4052 Basel, Switzerland
> Tel. +41 61 683 77 35
> Fax +41 61 302 89 18
> Email: cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>
> Skype: milos.cuculovic.mdpi
>
> On 08.12.2016 13:55, Atin Mukherjee wrote:
>
> Can you resend the attachment as zip? I am unable to extract the
> content? We shouldn't have 0 info file. What does gluster peer
> status
> output say?
>
> On Thu, Dec 8, 2016 at 4:51 PM, Miloš Čučulović - MDPI
> <cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>
> <mailto:cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>>> wrote:
>
> I hope you received my last email Atin, thank you!
>
> - Kindest regards,
>
> Milos Cuculovic
> IT Manager
>
> ---
> MDPI AG
> Postfach, CH-4020 Basel, Switzerland
> Office: St. Alban-Anlage 66, 4052 Basel, Switzerland
> Tel. +41 61 683 77 35
> Fax +41 61 302 89 18
> Email: cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>
> <mailto:cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>>
> Skype: milos.cuculovic.mdpi
>
> On 08.12.2016 10:28, Atin Mukherjee wrote:
>
>
> ---------- Forwarded message ----------
> From: *Atin Mukherjee* <amukherj at redhat.com
> <mailto:amukherj at redhat.com>
> <mailto:amukherj at redhat.com
> <mailto:amukherj at redhat.com>> <mailto:amukherj at redhat.com
> <mailto:amukherj at redhat.com>
> <mailto:amukherj at redhat.com <mailto:amukherj at redhat.com>>>>
> Date: Thu, Dec 8, 2016 at 11:56 AM
> Subject: Re: [Gluster-users] Replica brick not working
> To: Ravishankar N <ravishankar at redhat.com
> <mailto:ravishankar at redhat.com>
> <mailto:ravishankar at redhat.com
> <mailto:ravishankar at redhat.com>> <mailto:ravishankar at redhat.com
> <mailto:ravishankar at redhat.com>
> <mailto:ravishankar at redhat.com
> <mailto:ravishankar at redhat.com>>>>
> Cc: Miloš Čučulović - MDPI <cuculovic at mdpi.com
> <mailto:cuculovic at mdpi.com>
> <mailto:cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>>
> <mailto:cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>
> <mailto:cuculovic at mdpi.com <mailto:cuculovic at mdpi.com>>>>,
> Pranith Kumar Karampuri
> <pkarampu at redhat.com <mailto:pkarampu at redhat.com>
> <mailto:pkarampu at redhat.com <mailto:pkarampu at redhat.com>>
> <mailto:pkarampu at redhat.com <mailto:pkarampu at redhat.com>
> <mailto:pkarampu at redhat.com <mailto:pkarampu at redhat.com>>>>,
> gluster-users
> <gluster-users at gluster.org
> <mailto:gluster-users at gluster.org>
> <mailto:gluster-users at gluster.org
> <mailto:gluster-users at gluster.org>>
> <mailto:gluster-users at gluster.org
> <mailto:gluster-users at gluster.org>
> <mailto:gluster-users at gluster.org
> <mailto:gluster-users at gluster.org>>>>
>
>
>
>
> On Thu, Dec 8, 2016 at 11:11 AM, Ravishankar N
> <ravishankar at redhat.com <mailto:ravishankar at redhat.com>
> <mailto:ravishankar at redhat.com <mailto:ravishankar at redhat.com>>
> <mailto:ravishankar at redhat.com
> <mailto:ravishankar at redhat.com> <mailto:ravishankar at redhat.com
> <mailto:ravishankar at redhat.com>>>>
>
> wrote:
>
> On 12/08/2016 10:43 AM, Atin Mukherjee wrote:
>
> >From the log snippet:
>
> [2016-12-07 09:15:35.677645] I [MSGID: 106482]
>
> [glusterd-brick-ops.c:442:__glusterd_handle_add_brick]
> 0-management: Received add brick req
> [2016-12-07 09:15:35.677708] I [MSGID: 106062]
>
> [glusterd-brick-ops.c:494:__glusterd_handle_add_brick]
> 0-management: replica-count is 2
> [2016-12-07 09:15:35.677735] E [MSGID: 106291]
>
> [glusterd-brick-ops.c:614:__glusterd_handle_add_brick]
> 0-management:
>
> The last log entry indicates that we hit the
> code path in
> gd_addbr_validate_replica_count ()
>
> if (replica_count ==
> volinfo->replica_count) {
> if (!(total_bricks %
> volinfo->dist_leaf_count)) {
> ret = 1;
> goto out;
> }
> }
>
>
> It seems unlikely that this snippet was hit because
> we print
> the E
> [MSGID: 106291] in the above message only if ret==-1.
> gd_addbr_validate_replica_count() returns -1 and yet not
> populates
> err_str only when in volinfo->type doesn't match any
> of the
> known
> volume types, so volinfo->type is corrupted perhaps?
>
>
> You are right, I missed that ret is set to 1 here in the
> above
> snippet.
>
> @Milos - Can you please provide us the volume info file from
> /var/lib/glusterd/vols/<volname>/ from all the three
> nodes to
> continue
> the analysis?
>
>
>
> -Ravi
>
> @Pranith, Ravi - Milos was trying to convert a
> dist (1 X 1)
> volume to a replicate (1 X 2) using add brick
> and hit
> this issue
> where add-brick failed. The cluster is operating
> with 3.7.6.
> Could you help on what scenario this code path
> can be
> hit? One
> straight forward issue I see here is missing
> err_str in
> this path.
>
>
>
>
>
>
> --
>
> ~ Atin (atinm)
>
>
>
> --
>
> ~ Atin (atinm)
>
>
>
>
> --
>
> ~ Atin (atinm)
>
>
>
>
> --
>
> ~ Atin (atinm)
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