Hello,Could you please tell me what should I do to enable/fix synchronous replication between two GlusterFS nodes, because at that time my files are synching about every 7 mins.
Here is my configuration: Gluster01 server = 10.75.3.43 (and also 10.75.2.41 for clients) Gluster02 server = 10.75.3.44 (and also 10.75.2.42 for clients) [root@gluster01 vins]# gluster volume status Status of volume: testapi_vol Gluster process TCP Port RDMA Port Online Pid ------------------------------------------------------------------------------ Brick gluster01.int:/glusterfs/testapi/bric k 49153 0 Y 2693 Brick gluster02.int:/glusterfs/testapi/bric k 49153 0 Y 5214 NFS Server on localhost 2049 0 Y 3388 Self-heal Daemon on localhost N/A N/A Y 3396 NFS Server on gluster02.int 2049 0 Y 6468 Self-heal Daemon on gluster02.int N/A N/A Y 6476 Task Status of Volume testapi_vol ------------------------------------------------------------------------------ There are no active volume tasks [root@gluster02 vins]# gluster volume status Status of volume: testapi_vol Gluster process TCP Port RDMA Port Online Pid ------------------------------------------------------------------------------ Brick gluster01.int:/glusterfs/testapi/bric k 49153 0 Y 2693 Brick gluster02.int:/glusterfs/testapi/bric k 49153 0 Y 5214 NFS Server on localhost 2049 0 Y 6468 Self-heal Daemon on localhost N/A N/A Y 6476 NFS Server on 10.75.3.43 2049 0 Y 3388 Self-heal Daemon on 10.75.3.43 N/A N/A Y 3396 Task Status of Volume testapi_vol ------------------------------------------------------------------------------ There are no active volume tasks [root@gluster01 vins]# gluster volume info Volume Name: testapi_vol Type: Replicate Volume ID: 7800a682-1f07-4464-bf7c-e1aba11f5190 Status: Started Number of Bricks: 1 x 2 = 2 Transport-type: tcp Bricks: Brick1: gluster01.int:/glusterfs/testapi/brick Brick2: gluster02.int:/glusterfs/testapi/brick [root@gluster02 vins]# gluster volume info Volume Name: testapi_vol Type: Replicate Volume ID: 7800a682-1f07-4464-bf7c-e1aba11f5190 Status: Started Number of Bricks: 1 x 2 = 2 Transport-type: tcp Bricks: Brick1: gluster01.int:/glusterfs/testapi/brick Brick2: gluster02.int:/glusterfs/testapi/brick [root@gluster01 vins]# ip a2: eno16780032: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 00:50:56:b2:11:15 brd ff:ff:ff:ff:ff:ff
inet 10.75.2.41/24 brd 10.75.2.255 scope global eno16780032
valid_lft forever preferred_lft forever
3: eno33559296: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq
state UP qlen 1000
link/ether 00:50:56:b2:7f:d4 brd ff:ff:ff:ff:ff:ff
inet 10.75.3.43/24 brd 10.75.3.255 scope global eno33559296
valid_lft forever preferred_lft forever
[root@gluster02 vins]# ip a
2: eno16780032: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq
state UP qlen 1000
link/ether 00:50:56:b2:4b:5c brd ff:ff:ff:ff:ff:ff
inet 10.75.2.42/24 brd 10.75.2.255 scope global eno16780032
valid_lft forever preferred_lft forever
3: eno33559296: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq
state UP qlen 1000
link/ether 00:50:56:b2:6c:8e brd ff:ff:ff:ff:ff:ff
inet 10.75.3.44/24 brd 10.75.3.255 scope global eno33559296
valid_lft forever preferred_lft forever
[root@gluster01 vins]# iptables -nxvL | grep 3.44
10 600 ACCEPT all -- * * 10.75.3.44
0.0.0.0/0
[root@gluster02 vins]# iptables -nxvL | grep 3.43101 7398 ACCEPT all -- * * 10.75.3.43 0.0.0.0/0
[root@gluster01 vins]# cat /etc/hosts | grep 10.75.3 10.75.3.43 gluster01.int gluster01.int.uci.umk.pl 10.75.3.44 gluster02.int gluster02.int.uci.umk.pl [root@gluster02 vins]# cat /etc/hosts | grep 10.75.3 10.75.3.43 gluster01.int gluster01.int.uci.umk.pl 10.75.3.44 gluster02.int gluster02.int.uci.umk.pl Mount on the client:gluster01.int:/testapi_vol on /mnt/glusterfs type fuse.glusterfs (rw,default_permissions,allow_other,max_read=131072)
# cat /etc/fstab | grep glustergluster01.int:/testapi_vol /mnt/glusterfs glusterfs defaults,_netdev 0 0
My test (from client): # dd if=/dev/zero of=test bs=1024 count=10240and I see the file on gluster01, but I have to wait the aforementioned about 7 minutes for the files to appear on gluster02.
Could you please tell me what can I do to fix that, where should I look, is it possible? If there is more info needed please do let me know.
Best regards Lukasz -- Łukasz Zygmański Uczelniane Centrum Information & Communication Informatyczne Technology Centre Uniwersytet Mikolaja Kopernika Nicolaus Copernicus University Coll. Maximum, pl. Rapackiego 1, 87-100 Torun, Poland tel.: +48 56 611 27 36 fax: +48 56-622-18-50 email: Lukasz.Zygmanski@xxxxxx
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