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test_suite: continue test for marsadm --force primary

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This commit is contained in:
Frank Liepold 2013-12-11 09:44:04 +01:00
parent 736e08ed3b
commit 7f97cabbcb
1 changed files with 55 additions and 25 deletions
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80
test_suite/scripts/modules/65_switch2primary.sh
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@ -110,7 +110,6 @@ function switch2primary_force
[ $# -eq 4 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
local primary_host=$1 secondary_host=$2 res=$3 writer_script=$4
local write_count time_waited host logfile length_logfile net_throughput
local dev=$(resource_get_data_device $res)
# # replace string remote_host with $secondary_host
# declare -A impact_cmd
# eval impact_cmd=(\
@ -129,40 +128,71 @@ function switch2primary_force
$res "logfile" "length_logfile" "time_waited" \
0 "net_throughput"
lib_vmsg " ${FUNCNAME[0]}: fetch time: $time_waited"
# waiting for empty logfile on secondary_host
switch2primary_wait_for_first_own_logfile_on_new_primary $secondary_host \
$res
for host in $primary_host $secondary_host; do
switch2primary_check_write_to_logfiles $host $res
done
switch2primary_correct_split_brain $primary_host $secondary_host $res
}
function switch2primary_wait_for_first_own_logfile_on_new_primary
{
local host=$1 res=$2
local maxwait=60 waited=0
while true;do
local last_logfile=$(marsadm_get_last_logfile $secondary_host $res $secondary_host)
local last_logfile=$(marsadm_get_last_logfile $host $res $host)
if [ -n "$last_logfile" ]; then
lib_vmsg " found logfile $last_logfile on $secondary_host"
lib_vmsg " found logfile $last_logfile on $host"
break
fi
let waited+=1
lib_vmsg " waited $waited for logfile to appear on $secondary_host"
lib_vmsg " waited $waited for own logfile to appear on $host"
if [ $waited -ge $maxwait ]; then
lib_exit 1 "maxwait $maxwait exceeded"
fi
done
for host in $primary_host $secondary_host; do
local length_logfile length_logfile_old
length_logfile_old=$(perftest_get_length_last_logfile $host $res $host)
lib_vmsg " length last logfile on $host: $length_logfile_old"
lib_remote_idfile $host \
"yes | dd oflag=direct bs=4096 count=1 of=$dev" || \
lib_exit 1
length_logfile=$(perftest_get_length_last_logfile $host $res $host)
lib_vmsg " length last logfile on $host: $length_logfile"
if [ $length_logfile -eq $length_logfile_old ]; then
lib_exit 1 "nothing written to logfiles on $host"
fi
done
# marsadm_do_cmd $primary_host "secondary" "$res" || lib_exit 1
# marsadm_do_cmd $primary_host "invalidate" "$res" || lib_exit 1
# lib_wait_for_initial_end_of_sync $secondary_host $primary_host $res \
# $resource_maxtime_initial_sync \
# $resource_time_constant_initial_sync \
# "time_waited"
}
# check whether write access to the data device causes writes to the logfiles
function switch2primary_check_write_to_logfiles
{
local host=$1 res=$2
local length_logfile length_logfile_old
local dev=$(resource_get_data_device $res)
length_logfile_old=$(perftest_get_length_last_logfile $host $res $host)
lib_vmsg " length last logfile on $host: $length_logfile_old"
lib_remote_idfile $host \
"yes | dd oflag=direct bs=4096 count=1 of=$dev" || \
lib_exit 1
length_logfile=$(perftest_get_length_last_logfile $host $res $host)
lib_vmsg " length last logfile on $host: $length_logfile"
if [ $length_logfile -eq $length_logfile_old ]; then
lib_exit 1 "nothing written to logfiles on $host"
fi
}
function switch2primary_correct_split_brain
{
local host=$1 # the former primary
local primary_host=$2 res=$3
local dev=$(resource_get_data_device $res)
local time_waited
mount_umount_data_device $host $res
marsadm_do_cmd $host "secondary" "$res" || lib_exit 1
marsadm_do_cmd $primary_host "invalidate" "$res" || lib_exit 1
lib_wait_for_initial_end_of_sync $primary_host $host $res \
$resource_maxtime_initial_sync \
$resource_time_constant_initial_sync \
"time_waited"
lib_vmsg " write some data to $primary_host:$dev"
lib_remote_idfile $primary_host \
"yes | dd oflag=direct bs=4096 count=1 of=$dev" || \
lib_exit 1
lib_wait_for_secondary_to_become_uptodate_and_cmp_cksums "resource" \
$host $primary_host \
$res $dev 0
}