mirror of https://github.com/schoebel/mars
test_suite: try to fix repair strategy for destroyed secondary. More debugging output
This commit is contained in:
Frank Liepold
parent
b6e8254a64
commit
8a8b72b96a
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@ -99,3 +99,7 @@ switch2primary_reconnect_before_primary_cmd_on_new_primary=1
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## flag whether the logfiles should be completely applied after
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## the marsadm --force primary
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switch2primary_full_apply_not_possible=0
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## prefix for very important debug messages, which make it easy to
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## get the test's process flow
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switch2primary_flow_msg_prefix="split-brain"
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@ -149,6 +149,7 @@ function switch2primary_force
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local write_count time_waited host logfile length_logfile net_throughput
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local new_primary new_secondary rc
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local timeout_opt
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local destroy_logfile=0
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if [ $switch2primary_orig_prim_equal_new_prim -ne 0 ]; then
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new_primary=$orig_primary
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new_secondary=$orig_secondary
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@ -156,39 +157,52 @@ function switch2primary_force
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new_primary=$orig_secondary
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new_secondary=$orig_primary
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fi
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if [ $switch2primary_logrotate_orig_primary -eq 1 ]; then
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logrotate_loop $orig_primary $res 3 4
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fi
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if [ $switch2primary_full_apply_not_possible -eq 1 \
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-a $switch2primary_orig_prim_equal_new_prim -eq 0 ]
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then
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destroy_logfile=1
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: initial situation: primary=$orig_primary, secondary=$orig_secondary, data device mounted and writing process running"
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lib_vmsg " $switch2primary_flow_msg_prefix: target state: new_primary=$new_primary, new_secondary=$new_secondary"
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if [ $switch2primary_logrotate_orig_primary -eq 1 ]; then
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logrotate_loop $orig_primary $res 3 4
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lib_vmsg " $switch2primary_flow_msg_prefix: log-rotate/log-delete on $orig_primary"
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fi
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if [ $destroy_logfile -eq 1 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: destroy logfile on $new_primary"
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switch2primary_destroy_log_after_replay_link $new_primary $res
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timeout_opt='--timeout=40' # we don't want to wait too long
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# for the failure of --force primary
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fi
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if [ $switch2primary_data_dev_in_use -eq 0 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: stop writing on $orig_primary and umount data device"
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switch2primary_stop_write_and_umount_data_device $orig_primary \
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$writer_script "write_count"
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fi
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if [ $switch2primary_connected -eq 0 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: cut network"
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net_do_impact_cmd $orig_secondary "on" "remote_host=$orig_primary"
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: generating split brain"
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marsadm_do_cmd $orig_secondary "disconnect" "$res" || lib_exit 1
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marsadm_do_cmd $orig_secondary "primary --force" "$res $timeout_opt"
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rc=$?
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if [ $switch2primary_full_apply_not_possible -eq 0 -a $rc -ne 0 ]; then
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if [ $destroy_logfile -eq 0 -a $rc -ne 0 ]; then
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lib_exit 1 "marsadm primary --force failed unexpectedly"
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fi
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if [ $switch2primary_full_apply_not_possible -eq 1 ]; then
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if [ $destroy_logfile -eq 1 ]; then
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if [ $rc -eq 0 ]; then
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lib_exit 1 "marsadm primary --force succeeded unexpectedly"
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: recreating resource on $orig_secondary"
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switch2primary_recreate_resource $orig_secondary $res
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fi
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if [ $switch2primary_logrotate_orig_primary -eq 1 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: log-rotate/log-delete on $orig_primary"
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logrotate_loop $orig_primary $res 3 4
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fi
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if [ $switch2primary_data_dev_in_use -ne 0 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: stop writing on $orig_primary and umount data device"
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switch2primary_stop_write_and_umount_data_device $orig_primary \
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$writer_script "write_count"
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fi
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@ -200,10 +214,10 @@ function switch2primary_force
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fi
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switch2primary_correct_split_brain $orig_primary $orig_secondary \
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$new_primary $new_secondary $res
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resource_check_replication $new_primary $new_secondary $res
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return
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: check that both data devices can be written"
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switch2primary_write_data_devices $res $orig_primary \
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$switch2primary_logrotate_split_brain_orig_primary \
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$orig_secondary \
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@ -212,6 +226,7 @@ function switch2primary_force
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if [ $switch2primary_connected -eq 0 \
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-a $switch2primary_reconnect_before_primary_cmd_on_new_primary -eq 1 ]
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then
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lib_vmsg " $switch2primary_flow_msg_prefix: restore network"
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switch2primary_restore_resource_connection $orig_secondary \
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$orig_primary $res 1
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fi
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@ -346,26 +361,44 @@ function switch2primary_correct_split_brain
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then
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network_cut=1
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: starting split brain correction, network_cut=$network_cut"
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marsadm_do_cmd $new_primary "connect" "$res" || lib_exit 1
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marsadm_do_cmd $new_primary "secondary" "$res" || lib_exit 1
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# if the new_primary was recreated, the delete-resource in
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# switch2primary_recreate_resource destroys the resource on the
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# new_secondary. Thus two branches to restore the replication are needed
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if [ $switch2primary_full_apply_not_possible -eq 0 ]; then
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marsadm_do_cmd $new_secondary "secondary" "$res" || lib_exit 1
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marsadm_do_cmd $new_secondary "down" "$res" || lib_exit 1
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marsadm_do_cmd $new_secondary "leave-resource --force" "$res" || lib_exit 1
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marsadm_do_cmd $new_secondary "leave-resource --force" "$res" || \
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lib_exit 1
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marsadm_do_cmd $new_primary "log-purge-all" "$res" || lib_exit 1
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marsadm_do_cmd $new_primary "primary" "$res" || lib_exit 1
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else
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# we need primary --force, because the deleted resource on the
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# new_secondary does not switch from primary to secondary
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marsadm_do_cmd $new_primary "disconnect" "$res" || lib_exit 1
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marsadm_do_cmd $new_primary "primary --force" "$res" || lib_exit 1
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marsadm_do_cmd $new_primary "connect" "$res" || lib_exit 1
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fi
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lib_vmsg " $switch2primary_flow_msg_prefix: check whether new primary $new_primary works standalone"
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switch2primary_check_standalone_primary $new_primary $res
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if [ $network_cut -eq 1 ]; then
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lib_vmsg " $switch2primary_flow_msg_prefix: restore network"
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switch2primary_restore_resource_connection $orig_secondary \
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$orig_primary $res 0
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lib_vmsg " $switch2primary_flow_msg_prefix: check whether new primary $new_primary works standalone"
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switch2primary_check_standalone_primary $new_primary $res
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fi
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marsadm_do_cmd $new_secondary "join-resource --force" "$res $lv_dev" \
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|| lib_exit 1
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lib_vmsg " $switch2primary_flow_msg_prefix: wait for new secondary $new_secondary to become uptodate"
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lib_wait_for_initial_end_of_sync $new_primary $new_secondary $res \
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$resource_maxtime_initial_sync \
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$resource_time_constant_initial_sync \
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"time_waited"
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lib_vmsg " $switch2primary_flow_msg_prefix: starting replication check"
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resource_check_replication $new_primary $new_secondary $res
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}
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