[Gluster-users] How to enable shared_storage?
Jiffin Tony Thottan
jthottan at redhat.com
Sun Nov 20 12:55:51 UTC 2016
Did u install rpm or directly from sources. Can u check whether
following script is present?
/var/lib/glusterd/hooks/1/set/post/S32gluster_enable_shared_storage.sh
--
Jiffin
On 20/11/16 13:33, Alexandr Porunov wrote:
> To enable shared storage I used next command:
> # gluster volume set all cluster.enable-shared-storage enable
>
> But it seems that it doesn't create gluster_shared_storage automatically.
>
> # gluster volume status gluster_shared_storage
> Volume gluster_shared_storage does not exist
>
> Do I need to manually create a volume "gluster_shared_storage"? Do I
> need to manually create a folder "/var/run/gluster/shared_storage"? Do
> I need to manually mount it? Or something I don't need to do?
>
> If I use 6 cluster nodes and I need to have a shared storage on all of
> them then how to create a shared storage?
> It says that it have to be with replication 2 or replication 3. But if
> we use shared storage on all of 6 nodes then we have only 2 ways to
> create a volume:
> 1. Use replication 6
> 2. Use replication 3 with distribution.
>
> Which way I need to use?
>
> Sincerely,
> Alexandr
>
> On Sun, Nov 20, 2016 at 9:07 AM, Jiffin Tony Thottan
> <jthottan at redhat.com <mailto:jthottan at redhat.com>> wrote:
>
>
>
> On 19/11/16 21:47, Alexandr Porunov wrote:
>> Unfortunately I haven't this log file but I have
>> 'run-gluster-shared_storage.log' and it has errors I don't know why.
>>
>> Here is the content of the 'run-gluster-shared_storage.log':
>>
>
> Make sure shared storage is up and running using "gluster volume
> status gluster_shared_storage"
>
> May be the issue is related to firewalld or iptables. Try it after
> disabling them.
>
> --
>
> Jiffin
>> [2016-11-19 10:37:01.581737] I [MSGID: 100030]
>> [glusterfsd.c:2454:main] 0-/usr/sbin/glusterfs: Started running
>> /usr/sbin/glusterfs version 3.8.5 (args: /usr/sbin/glusterfs
>> --volfile-server=127.0.0.1 --volfile-id=gluster_shared_storage
>> /run/gluster/shared_storage)
>> [2016-11-19 10:37:01.641836] I [MSGID: 101190]
>> [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started
>> thread with index 1
>> [2016-11-19 10:37:01.642311] E
>> [glusterfsd-mgmt.c:1586:mgmt_getspec_cbk] 0-glusterfs: failed to
>> get the 'volume file' from server
>> [2016-11-19 10:37:01.642340] E
>> [glusterfsd-mgmt.c:1686:mgmt_getspec_cbk] 0-mgmt: failed to fetch
>> volume file (key:gluster_shared_storage)
>> [2016-11-19 10:37:01.642592] W
>> [glusterfsd.c:1327:cleanup_and_exit]
>> (-->/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0x90)
>> [0x7f95cd309770] -->/usr/sbin/glusterfs(mgmt_getspec_cbk+0x536)
>> [0x7f95cda3afc6] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b)
>> [0x7f95cda34b4b] ) 0-: received signum (0), shutting down
>> [2016-11-19 10:37:01.642638] I [fuse-bridge.c:5793:fini] 0-fuse:
>> Unmounting '/run/gluster/shared_storage'.
>> [2016-11-19 10:37:18.798787] I [MSGID: 100030]
>> [glusterfsd.c:2454:main] 0-/usr/sbin/glusterfs: Started running
>> /usr/sbin/glusterfs version 3.8.5 (args: /usr/sbin/glusterfs
>> --volfile-server=127.0.0.1 --volfile-id=gluster_shared_storage
>> /run/gluster/shared_storage)
>> [2016-11-19 10:37:18.813011] I [MSGID: 101190]
>> [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started
>> thread with index 1
>> [2016-11-19 10:37:18.813363] E
>> [glusterfsd-mgmt.c:1586:mgmt_getspec_cbk] 0-glusterfs: failed to
>> get the 'volume file' from server
>> [2016-11-19 10:37:18.813386] E
>> [glusterfsd-mgmt.c:1686:mgmt_getspec_cbk] 0-mgmt: failed to fetch
>> volume file (key:gluster_shared_storage)
>> [2016-11-19 10:37:18.813592] W
>> [glusterfsd.c:1327:cleanup_and_exit]
>> (-->/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0x90)
>> [0x7f96ba4c7770] -->/usr/sbin/glusterfs(mgmt_getspec_cbk+0x536)
>> [0x7f96babf8fc6] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b)
>> [0x7f96babf2b4b] ) 0-: received signum (0), shutting down
>> [2016-11-19 10:37:18.813633] I [fuse-bridge.c:5793:fini] 0-fuse:
>> Unmounting '/run/gluster/shared_storage'.
>> [2016-11-19 10:40:33.115685] I [MSGID: 100030]
>> [glusterfsd.c:2454:main] 0-/usr/sbin/glusterfs: Started running
>> /usr/sbin/glusterfs version 3.8.5 (args: /usr/sbin/glusterfs
>> --volfile-server=127.0.0.1 --volfile-id=gluster_shared_storage
>> /run/gluster/shared_storage)
>> [2016-11-19 10:40:33.124218] I [MSGID: 101190]
>> [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started
>> thread with index 1
>> [2016-11-19 10:40:33.124722] E
>> [glusterfsd-mgmt.c:1586:mgmt_getspec_cbk] 0-glusterfs: failed to
>> get the 'volume file' from server
>> [2016-11-19 10:40:33.124738] E
>> [glusterfsd-mgmt.c:1686:mgmt_getspec_cbk] 0-mgmt: failed to fetch
>> volume file (key:gluster_shared_storage)
>> [2016-11-19 10:40:33.124869] W
>> [glusterfsd.c:1327:cleanup_and_exit]
>> (-->/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0x90)
>> [0x7f23576a9770] -->/usr/sbin/glusterfs(mgmt_getspec_cbk+0x536)
>> [0x7f2357ddafc6] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b)
>> [0x7f2357dd4b4b] ) 0-: received signum (0), shutting down
>> [2016-11-19 10:40:33.124896] I [fuse-bridge.c:5793:fini] 0-fuse:
>> Unmounting '/run/gluster/shared_storage'.
>> [2016-11-19 10:44:36.029838] I [MSGID: 100030]
>> [glusterfsd.c:2454:main] 0-/usr/sbin/glusterfs: Started running
>> /usr/sbin/glusterfs version 3.8.5 (args: /usr/sbin/glusterfs
>> --volfile-server=127.0.0.1 --volfile-id=gluster_shared_storage
>> /run/gluster/shared_storage)
>> [2016-11-19 10:44:36.043705] I [MSGID: 101190]
>> [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started
>> thread with index 1
>> [2016-11-19 10:44:36.044082] E
>> [glusterfsd-mgmt.c:1586:mgmt_getspec_cbk] 0-glusterfs: failed to
>> get the 'volume file' from server
>> [2016-11-19 10:44:36.044106] E
>> [glusterfsd-mgmt.c:1686:mgmt_getspec_cbk] 0-mgmt: failed to fetch
>> volume file (key:gluster_shared_storage)
>> [2016-11-19 10:44:36.044302] W
>> [glusterfsd.c:1327:cleanup_and_exit]
>> (-->/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0x90)
>> [0x7fbd9dced770] -->/usr/sbin/glusterfs(mgmt_getspec_cbk+0x536)
>> [0x7fbd9e41efc6] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b)
>> [0x7fbd9e418b4b] ) 0-: received signum (0), shutting down
>> [2016-11-19 10:44:36.044356] I [fuse-bridge.c:5793:fini] 0-fuse:
>> Unmounting '/run/gluster/shared_storage'.
>>
>> Can you help me to figure out what I am doing wrong?
>>
>> Sincerely,
>> Alexandr
>>
>> On Sat, Nov 19, 2016 at 3:18 PM, Saravanakumar Arumugam
>> <sarumuga at redhat.com <mailto:sarumuga at redhat.com>> wrote:
>>
>>
>>
>> On 11/19/2016 04:13 PM, Alexandr Porunov wrote:
>>> It still doesn't work..
>>>
>>> I have created that dir:
>>> # mkdir -p /var/run/gluster/shared_storage
>>>
>>> and then:
>>> # mount -t glusterfs 127.0.0.1:gluster_shared_storage
>>> /var/run/gluster/shared_storage
>>> Mount failed. Please check the log file for more details.
>>>
>>> Where to find a proper file to read logs? Because
>>> "/var/log/glusterfs/" has a lot of log files.
>>
>> You can find mount logs like this : "directory_mounted".log
>> inside /var/log/glusterfs
>> There is some issue in your setup...check this log and share
>> it here.
>>>
>>> Sincerely,
>>> Alexandr
>>>
>>> On Sat, Nov 19, 2016 at 11:16 AM, Saravanakumar Arumugam
>>> <sarumuga at redhat.com <mailto:sarumuga at redhat.com>> wrote:
>>>
>>>
>>> On 11/19/2016 01:39 AM, Alexandr Porunov wrote:
>>>
>>> Hello,
>>>
>>> I try to enable shared storage for Geo-Replication
>>> but I am not sure that I do it properly.
>>>
>>> Here is what I do:
>>> # gluster volume set all
>>> cluster.enable-shared-storage enable
>>> volume set: success
>>>
>>> # mount -t glusterfs
>>> 127.0.0.1:gluster_shared_storage
>>> /var/run/gluster/shared_storage
>>> ERROR: Mount point does not exist
>>> Please specify a mount point
>>> Usage:
>>> man 8 /sbin/mount.glusterfs
>>>
>>>
>>> This error means /var/run/gluster/shared_storage
>>> directory does NOT exists.
>>>
>>> But, running the command (gluster volume set all
>>> cluster.enable-shared-storage enable)
>>> should carry out the mounting automatically. (so, there
>>> is no need to manually mount).
>>>
>>> Check after running "gluster volume set all
>>> cluster.enable-shared-storage enable"
>>> 1. gluster volume info
>>> 2. glusterfs process started with volfile-id as
>>> gluster_shared_storage.
>>>
>>> Thanks,
>>> Saravana
>>>
>>>
>>
>>
>>
>>
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