[Gluster-users] One node goes offline, the other node can't see the replicated volume anymore

[Greg Scott]

BTW, I know I posted fw1 and fw2 results in different emails, but I rebooted both at the same time.


-          Greg

From: Greg Scott
Sent: Tuesday, July 16, 2013 11:56 AM
To: 'Joe Julian'
Cc: gluster-users at gluster.org
Subject: RE: [Gluster-users] One node goes offline, the other node can't see the replicated volume anymore

Holy moley – but it **IS** mounted on fw2.  Go figure.   Welcome to today’s Twilight Zone episode.

[root at chicago-fw2 systemd]# cd /etc/rc.d
[root at chicago-fw2 rc.d]# mv rc.local greg-rc.local
[root at chicago-fw2 rc.d]# more /etc/fstab

#
# /etc/fstab
# Created by anaconda on Sat Jul  6 05:08:55 2013
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/fedora-root /                       ext4    defaults        1 1
UUID=f0cceb6a-61c4-409b-b882-5d6779a52505 /boot                   ext4    defaults        1 2
UUID=665D-DF0B          /boot/efi               vfat    umask=0077,shortname=winnt 0 0
/dev/mapper/fedora-gluster--fw2 /gluster-fw2            ext4    defaults        1 2
/dev/mapper/fedora-swap swap                    swap    defaults        0 0
# Added gluster stuff Greg Scott
localhost:/firewall-scripts /firewall-scripts glusterfs defaults,_netdev 0 0

[root at chicago-fw2 rc.d]# reboot
login as: root
root at 10.10.10.72's<mailto:root at 10.10.10.72's> password:
Last login: Tue Jul 16 10:21:56 2013 from tinahp100b.infrasupport.local
[root at chicago-fw2 ~]# df -h
Filesystem                       Size  Used Avail Use% Mounted on
/dev/mapper/fedora-root           14G  4.2G  8.4G  34% /
devtmpfs                         990M     0  990M   0% /dev
tmpfs                            996M     0  996M   0% /dev/shm
tmpfs                            996M  888K  996M   1% /run
tmpfs                            996M     0  996M   0% /sys/fs/cgroup
tmpfs                            996M     0  996M   0% /tmp
/dev/sda2                        477M   90M  362M  20% /boot
/dev/sda1                        200M  9.4M  191M   5% /boot/efi
/dev/mapper/fedora-gluster--fw2  7.6G   19M  7.2G   1% /gluster-fw2
localhost:/firewall-scripts      7.6G   19M  7.2G   1% /firewall-scripts
[root at chicago-fw2 ~]#



-          Greg

From: gluster-users-bounces at gluster.org<mailto:gluster-users-bounces at gluster.org> [mailto:gluster-users-bounces at gluster.org] On Behalf Of Greg Scott
Sent: Tuesday, July 16, 2013 11:52 AM
To: 'Joe Julian'
Cc: gluster-users at gluster.org<mailto:gluster-users at gluster.org>
Subject: Re: [Gluster-users] One node goes offline, the other node can't see the replicated volume anymore

➢ Get rid of every other mount attempt. No custom systemd script, no rc.local (I know you start
➢ your own app from there, but let's get one thing working first) and make sure the fstab entry
➢ still has the _netdev option.

OK, done on both nodes.  Fw1 pasted in below.  Not mounted after coming back up.

[root at chicago-fw1 ~]# cd /etc/rc.d
[root at chicago-fw1 rc.d]# mv rc.local greg-rc.local
[root at chicago-fw1 rc.d]# more /etc/fstab

#
# /etc/fstab
# Created by anaconda on Sat Jul  6 04:26:01 2013
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/fedora-root /                       ext4    defaults        1 1
UUID=818c4142-e389-4f28-a28e-6e26df3caa32 /boot                   ext4    defaults        1 2
UUID=C57B-BCF9          /boot/efi               vfat    umask=0077,shortname=winnt 0 0
/dev/mapper/fedora-gluster--fw1 /gluster-fw1            xfs     defaults        1 2
/dev/mapper/fedora-swap swap                    swap    defaults        0 0
# Added gluster stuff Greg Scott
localhost:/firewall-scripts /firewall-scripts glusterfs defaults,_netdev 0 0

[root at chicago-fw1 rc.d]# reboot
login as: root
root at 10.10.10.71's<mailto:root at 10.10.10.71's> password:
Last login: Tue Jul 16 10:21:33 2013 from tinahp100b.infrasupport.local
[root at chicago-fw1 ~]# df -h
Filesystem                       Size  Used Avail Use% Mounted on
/dev/mapper/fedora-root           14G  3.9G  8.7G  31% /
devtmpfs                         990M     0  990M   0% /dev
tmpfs                            996M     0  996M   0% /dev/shm
tmpfs                            996M  888K  996M   1% /run
tmpfs                            996M     0  996M   0% /sys/fs/cgroup
tmpfs                            996M     0  996M   0% /tmp
/dev/sda2                        477M   87M  365M  20% /boot
/dev/sda1                        200M  9.4M  191M   5% /boot/efi
/dev/mapper/fedora-gluster--fw1  7.9G   33M  7.8G   1% /gluster-fw1
[root at chicago-fw1 ~]#

-Greg



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