mirror of https://github.com/schoebel/mars
test_suite: continue test for marsadm --force primary
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@ -110,7 +110,6 @@ function switch2primary_force
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[ $# -eq 4 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
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[ $# -eq 4 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
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local primary_host=$1 secondary_host=$2 res=$3 writer_script=$4
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local primary_host=$1 secondary_host=$2 res=$3 writer_script=$4
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local write_count time_waited host logfile length_logfile net_throughput
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local write_count time_waited host logfile length_logfile net_throughput
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local dev=$(resource_get_data_device $res)
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# # replace string remote_host with $secondary_host
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# # replace string remote_host with $secondary_host
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# declare -A impact_cmd
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# declare -A impact_cmd
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# eval impact_cmd=(\
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# eval impact_cmd=(\
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@ -129,22 +128,41 @@ function switch2primary_force
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$res "logfile" "length_logfile" "time_waited" \
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$res "logfile" "length_logfile" "time_waited" \
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0 "net_throughput"
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0 "net_throughput"
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lib_vmsg " ${FUNCNAME[0]}: fetch time: $time_waited"
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lib_vmsg " ${FUNCNAME[0]}: fetch time: $time_waited"
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# waiting for empty logfile on secondary_host
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switch2primary_wait_for_first_own_logfile_on_new_primary $secondary_host \
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$res
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for host in $primary_host $secondary_host; do
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switch2primary_check_write_to_logfiles $host $res
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done
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switch2primary_correct_split_brain $primary_host $secondary_host $res
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}
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function switch2primary_wait_for_first_own_logfile_on_new_primary
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{
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local host=$1 res=$2
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local maxwait=60 waited=0
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local maxwait=60 waited=0
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while true;do
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while true;do
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local last_logfile=$(marsadm_get_last_logfile $secondary_host $res $secondary_host)
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local last_logfile=$(marsadm_get_last_logfile $host $res $host)
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if [ -n "$last_logfile" ]; then
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if [ -n "$last_logfile" ]; then
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lib_vmsg " found logfile $last_logfile on $secondary_host"
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lib_vmsg " found logfile $last_logfile on $host"
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break
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break
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fi
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fi
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let waited+=1
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let waited+=1
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lib_vmsg " waited $waited for logfile to appear on $secondary_host"
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lib_vmsg " waited $waited for own logfile to appear on $host"
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if [ $waited -ge $maxwait ]; then
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if [ $waited -ge $maxwait ]; then
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lib_exit 1 "maxwait $maxwait exceeded"
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lib_exit 1 "maxwait $maxwait exceeded"
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fi
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fi
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done
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done
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for host in $primary_host $secondary_host; do
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}
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# check whether write access to the data device causes writes to the logfiles
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function switch2primary_check_write_to_logfiles
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{
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local host=$1 res=$2
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local length_logfile length_logfile_old
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local length_logfile length_logfile_old
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local dev=$(resource_get_data_device $res)
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length_logfile_old=$(perftest_get_length_last_logfile $host $res $host)
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length_logfile_old=$(perftest_get_length_last_logfile $host $res $host)
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lib_vmsg " length last logfile on $host: $length_logfile_old"
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lib_vmsg " length last logfile on $host: $length_logfile_old"
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lib_remote_idfile $host \
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lib_remote_idfile $host \
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@ -155,14 +173,26 @@ function switch2primary_force
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if [ $length_logfile -eq $length_logfile_old ]; then
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if [ $length_logfile -eq $length_logfile_old ]; then
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lib_exit 1 "nothing written to logfiles on $host"
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lib_exit 1 "nothing written to logfiles on $host"
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fi
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fi
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done
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# marsadm_do_cmd $primary_host "secondary" "$res" || lib_exit 1
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# marsadm_do_cmd $primary_host "invalidate" "$res" || lib_exit 1
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# lib_wait_for_initial_end_of_sync $secondary_host $primary_host $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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}
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}
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function switch2primary_correct_split_brain
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{
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local host=$1 # the former primary
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local primary_host=$2 res=$3
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local dev=$(resource_get_data_device $res)
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local time_waited
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mount_umount_data_device $host $res
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marsadm_do_cmd $host "secondary" "$res" || lib_exit 1
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marsadm_do_cmd $primary_host "invalidate" "$res" || lib_exit 1
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lib_wait_for_initial_end_of_sync $primary_host $host $res \
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$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 " write some data to $primary_host:$dev"
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lib_remote_idfile $primary_host \
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"yes | dd oflag=direct bs=4096 count=1 of=$dev" || \
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lib_exit 1
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lib_wait_for_secondary_to_become_uptodate_and_cmp_cksums "resource" \
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$host $primary_host \
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$res $dev 0
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}
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