GlusterFS 8 : GlusterFS + SMB2020/09/24 |
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Configure GlusterFS volume to enable SMB protocol.
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| [1] | Configure GlusterFS to enable SMB setting on a Node in GlusterFS Cluster. |
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[root@node01 ~]#
dnf -y install centos-release-samba412
[root@node01 ~]#
sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/CentOS-Samba-412.repo
[root@node01 ~]#
dnf --enablerepo=centos-samba412 -y install samba ctdb samba-vfs-glusterfs # stop the target Gluster volume and change settings [root@node01 ~]# gluster volume stop vol_replica Stopping volume will make its data inaccessible. Do you want to continue? (y/n) y volume stop: vol_replica: success [root@node01 ~]# gluster volume set vol_replica user.smb enable volume set: success
[root@node01 ~]#
gluster volume set vol_replica group samba volume set: success
[root@node01 ~]#
vi /var/lib/glusterd/hooks/1/start/post/S29CTDBsetup.sh # line 25 : change to the target Gluster volume name META=" vol_replica "
[root@node01 ~]#
vi /var/lib/glusterd/hooks/1/stop/pre/S29CTDB-teardown.sh # line 13 : change to the target Gluster volume name META=" vol_replica "
# start Gluster volume [root@node01 ~]# gluster volume start vol_replica volume start: vol_replica: success # with the settings above, follwing mounting is done automatically [root@node01 ~]# df -h /gluster/lock Filesystem Size Used Avail Use% Mounted on node01.srv.world:/vol_replica.tcp 26G 2.3G 24G 9% /gluster/lock[root@node01 ~]# tail -1 /etc/fstab node01.srv.world:/vol_replica /gluster/lock glusterfs _netdev,transport=tcp,xlator-option=*client*.ping-timeout=10 0 0
[root@node01 ~]#
vi /etc/ctdb/nodes # create new # write all Nodes that configure target Gluster volume 10.0.0.51 10.0.0.52 10.0.0.53
[root@node01 ~]#
vi /etc/ctdb/public_addresses # create new # set virtual IP address for SMB access # [enp1s0] means network interface name ⇒ replace to your environment 10.0.0.59/24 enp1s0
[root@node01 ~]#
systemctl enable --now ctdb
# confirm status [root@node01 ~]# ctdb status Number of nodes:3 pnn:0 10.0.0.51 OK (THIS NODE) pnn:1 10.0.0.52 DISCONNECTED|UNHEALTHY|INACTIVE pnn:2 10.0.0.53 DISCONNECTED|UNHEALTHY|INACTIVE Generation:1838762525 Size:1 hash:0 lmaster:0 Recovery mode:NORMAL (0) Recovery master:0[root@node01 ~]# ctdb ip Public IPs on node 0 10.0.0.59 0 |
| [2] | Configure Samba. For example, Create a shared Folder that users in [smbgroup] group can only access to shared folder [smbshare] and also they are required user authetication. |
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# mount Gluster volume with GlusterFS Native and create a shared folder for SMB access [root@node01 ~]# mount -t glusterfs node01.srv.world:/vol_replica /mnt [root@node01 ~]# mkdir /mnt/smbshare [root@node01 ~]# groupadd smbgroup [root@node01 ~]# chgrp smbgroup /mnt/smbshare [root@node01 ~]# chmod 770 /mnt/smbshare [root@node01 ~]# umount /mnt
[root@node01 ~]#
vi /etc/samba/smb.conf
[global]
workgroup = MYGROUP
netbios name = MYSERVER
server string = Samba Server Version %v
log file = /var/log/samba/log.%m
max log size = 50
security = user
passdb backend = tdbsam
load printers = yes
cups options = raw
# add follows
clustering = yes
kernel share modes = no
kernel oplocks = no
map archive = no
map hidden = no
map read only = no
map system = no
store dos attributes = yes
# follwoing 9 lines are configred automatically
[gluster-vol_replica]
comment = For samba share of volume vol_replica
vfs objects = glusterfs
glusterfs:volume = vol_replica
glusterfs:logfile = /var/log/samba/glusterfs-vol_replica.%M.log
glusterfs:loglevel = 7
path = /
read only = no
kernel share modes = no
# add follows
writable = yes
valid users = @smbgroup
force create mode = 777
force directory mode = 777
inherit permissions = yes
[root@node01 ~]#
systemctl enable --now smb
# add Samba user [root@node01 ~]# useradd cent [root@node01 ~]# smbpasswd -a cent New SMB password: # set any SMB password Retype new SMB password: Added user cent. [root@node01 ~]# usermod -aG smbgroup cent |
| [3] | If SELinux is enabled, change policy. |
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[root@node01 ~]# setsebool -P use_fusefs_home_dirs on [root@node01 ~]# setsebool -P samba_load_libgfapi on [root@node01 ~]# setsebool -P domain_kernel_load_modules on
[root@node01 ~]#
vi gluster_smb.te # create new
module gluster_smb 1.0;
require {
type glusterd_t;
type ctdbd_t;
type load_policy_t;
class fifo_file read;
class capability sys_ptrace;
}
#============= ctdbd_t ==============
allow ctdbd_t self:capability sys_ptrace;
#============= load_policy_t ==============
allow load_policy_t glusterd_t:fifo_file read;
checkmodule -m -M -o gluster_smb.mod gluster_smb.te [root@node01 ~]# semodule_package --outfile gluster_smb.pp --module gluster_smb.mod [root@node01 ~]# semodule -i gluster_smb.pp |
| [4] | If Firewalld is running, allow services. |
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[root@node01 ~]# firewall-cmd --add-service={samba,ctdb} --permanent success [root@node01 ~]# firewall-cmd --reload success |
| [5] | Verify it can access to the target share with SMB from any Linux client computer. |
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# verisy with [smbclient] [root@client ~]# smbclient //node01.srv.world/gluster-vol_replica -U cent Enter MYGROUP\cent's password: Try "help" to get a list of possible commands. # verify witable to move to shared folder smb: \> cd smbshare smb: \smbshare\> mkdir testdir smb: \smbshare\> ls . D 0 Thu Sep 24 19:54:23 2020 .. D 0 Thu Sep 24 19:42:03 2020 testdir D 0 Thu Sep 24 19:54:23 2020 27245572 blocks of size 1024. 24924956 blocks available smb: \smbshare\> exit # verify with [mount] # for [10.0.0.59], it is virtual IP address set in [1] section [root@client ~]# mount -t cifs -o vers=3.0,username=cent //10.0.0.59/gluster-vol_replica /mnt Password for cent@//10.0.0.59/gluster-vol_replica: ******** df -hT Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 1.9G 0 1.9G 0% /dev tmpfs tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs tmpfs 1.9G 8.6M 1.9G 1% /run tmpfs tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/mapper/cl-root xfs 26G 2.0G 25G 8% / /dev/vda1 ext4 976M 259M 651M 29% /boot tmpfs tmpfs 378M 0 378M 0% /run/user/0 node03.srv.world:/vol_replica.tcp fuse.glusterfs 26G 2.3G 24G 9% /gluster/lock //10.0.0.59/gluster-vol_replica cifs 26G 2.3G 24G 9% /mnt[root@client ~]# touch /mnt/smbshare/testfile.txt [root@client ~]# ll /mnt/smbshare total 0 drwxr-xr-x. 2 root root 0 Sep 24 19:54 testdir -rwxr-xr-x. 1 root root 0 Sep 24 19:56 testfile.txt |
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