Hi Guys, I am testing glusterfs and have configured replicated volume (replica=2 on two virtual machines), after play with the volume a while, there are un-consistent data reported by 'heal volname info':
u1@u1-virtual-machine:~$ sudo gluster volume heal mysqldata info Gathering Heal info on volume mysqldata has been successful Brick 192.168.53.218:/data/gv0/brick1/mysqldata Number of entries: 1 <gfid:0ff1a4e1-b14c-41d6-826b-e749a4e6ec7f> Brick 192.168.53.221:/data/gv0/brick1/mysqldata Number of entries: 1 /ibdata1 *1) What does this means? Why one entry is file itself on one host, while another entry is gfid on another host? * *2) After a while (maybe 2 minutes), re-run heal info, and get following output. What happened behind the scene? Why the entry changes to file from gfid?* u1@u1-virtual-machine:~$ sudo gluster volume heal mysqldata info Gathering Heal info on volume mysqldata has been successful Brick 192.168.53.218:/data/gv0/brick1/mysqldata Number of entries: 1 /ibdata1 Brick 192.168.53.221:/data/gv0/brick1/mysqldata Number of entries: 1 /ibdata1 u1@u1-virtual-machine:~$ sudo gluster volume heal mysqldata info split-brain Gathering Heal info on volume mysqldata has been successful Brick 192.168.53.218:/data/gv0/brick1/mysqldata Number of entries: 0 Brick 192.168.53.221:/data/gv0/brick1/mysqldata Number of entries: 0 *3) I tried with both heal and heal full, while heal seems not work, I still get above output. How could I heal this case manually? Following is getfattr output.* u1@u1-virtual-machine:~$ sudo getfattr -e hex -m . -d /data/gv0/brick1/mysqldata/ibdata1 getfattr: Removing leading '/' from absolute path names # file: data/gv0/brick1/mysqldata/ibdata1 trusted.afr.mysqldata-client-0=0x000000010000000000000000 trusted.afr.mysqldata-client-1=0x000000010000000000000000 trusted.gfid=0x0ff1a4e1b14c41d6826be749a4e6ec7f Any comments are welcome, and thanks very much in advance! Regards, Yandong
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