Ubuntu
fence-agents package

  1. Bug #1865523
  2. Comment #4

Comment 4 for bug 1865523

Revision history for this message
Rafael David Tinoco (rafaeldtinoco) wrote : Re: [bionic] fence_scsi not working properly with 1.1.18-2ubuntu1.1

# Demonstration of fence_scsi fencing a node:

(k)rafaeldtinoco@clubionic03:~/.../upstream$ cat /etc/network/interfaces
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

# iscsi
auto eth1
iface eth1 inet static
    address 10.250.1.12/24

# private
auto eth2
iface eth2 inet static
    address 10.250.3.12/24

# public
auto eth3
iface eth3 inet static
    address 10.250.98.12/24

(k)rafaeldtinoco@clubionic03:~/.../upstream$ sudo iptables -A INPUT -i eth2 -j DROP

(k)rafaeldtinoco@clubionic01:~$ crm_mon -1
Stack: corosync
Current DC: clubionic01.private (version 1.1.19-1.1.19) - partition with quorum
Last updated: Tue Mar 3 21:24:55 2020
Last change: Tue Mar 3 20:25:56 2020 by root via cibadmin on clubionic01.private

3 nodes configured
1 resource configured

Online: [ clubionic01.private clubionic02.private ]
OFFLINE: [ clubionic03.private ]

Active resources:

 fence_clubionic (stonith:fence_scsi): Started clubionic01.private

(k)rafaeldtinoco@clubionic03:~/.../upstream$ sudo sg_persist --in --read-keys --device=/dev/sda
  LIO-ORG cluster.bionic. 4.0
  Peripheral device type: disk
  PR generation=0x4, 2 registered reservation keys follow:
    0x3abe0000
    0x3abe0001

(k)rafaeldtinoco@clubionic03:~/.../upstream$ sudo dd if=/dev/zero of=/dev/sda bs=1M count=1
[ 3301.867294] print_req_error: critical nexus error, dev sda, sector 0
[ 3301.868543] Buffer I/O error on dev sda, logical block 0, lost async page write
[ 3301.869956] Buffer I/O error on dev sda, logical block 1, lost async page write
[ 3301.871430] Buffer I/O error on dev sda, logical block 2, lost async page write
[ 3301.872929] Buffer I/O error on dev sda, logical block 3, lost async page write
[ 3301.874448] Buffer I/O error on dev sda, logical block 4, lost async page write
[ 3301.875963] Buffer I/O error on dev sda, logical block 5, lost async page write
[ 3301.877486] Buffer I/O error on dev sda, logical block 6, lost async page write
[ 3301.879000] Buffer I/O error on dev sda, logical block 7, lost async page write
[ 3301.880481] Buffer I/O error on dev sda, logical block 8, lost async page write
[ 3301.882014] Buffer I/O error on dev sda, logical block 9, lost async page write
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227557 s, 46.1 MB/s