mirror of
https://github.com/schoebel/mars
synced 2024-12-18 12:45:08 +00:00
207 lines
8.2 KiB
Bash
207 lines
8.2 KiB
Bash
#!/bin/bash
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# Copyright 2010-2013 Frank Liepold / 1&1 Internet AG
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#
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# Email: frank.liepold@1und1.de
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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function resize_prepare
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{
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local primary_host=${main_host_list[0]}
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local secondary_host="${main_host_list[1]}"
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local res=${resource_name_list[0]}
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local data_lv_size_orig=$(lv_config_get_lv_size_from_name $res)
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local dev=$(lv_config_get_lv_device $res)
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local host time_waited
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resize_check_variables
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resize_resize_to_orig_size $primary_host $secondary_host $dev \
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$data_lv_size_orig
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resource_leave_all
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for host in $primary_host $secondary_host; do
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lv_config_resize_device $host $dev $data_lv_size_orig
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done
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resource_prepare
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resource_run_first
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lib_wait_for_initial_end_of_sync $primary_host $secondary_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 " ${FUNCNAME[0]}: sync time: $time_waited"
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lib_rw_compare_checksums $primary_host $secondary_host $res 0 "" ""
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}
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function resize_check_variables
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{
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if [ -z "$resize_size_to_add" ]; then
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lib_exit 1 "resize_size_to_add not set"
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fi
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if [ -z "$resize_diff_to_phsyical" ]; then
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lib_exit 1 "resize_diff_to_phsyical not set"
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fi
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# Because we check the extension of the file system by writing an amount
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# of size_new - 1G we need gaps between old and new size which are big
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# enough:
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# size_old + 1G <= size_new_mars_data_device - 1G = \
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# size_old + resize_size_to_add - resize_diff_to_phsyical - 1G
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if [ $resize_size_to_add -lt 3 ]; then
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lib_exit 1 "resize_size_to_add = $resize_size_to_add must be >= 3"
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fi
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if [ $(($resize_size_to_add - $resize_diff_to_phsyical)) -lt 2 ]; then
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lib_exit 1 "resize_size_to_add - resize_diff_to_phsyical = $(($resize_size_to_add - $resize_diff_to_phsyical)) must be >= 2"
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fi
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}
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function resize_run
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{
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local primary_host=${main_host_list[0]}
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local secondary_host=${main_host_list[1]}
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local res=${resource_name_list[0]}
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local data_lv_size_orig=$(lv_config_get_lv_size_from_name $res)
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local data_lv_size_new=$(($data_lv_size_orig + $resize_size_to_add))
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local mars_data_dev_size_new=$((data_lv_size_new \
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- $resize_diff_to_phsyical))
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local dev=$(lv_config_get_lv_device $res)
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local writer_pid writer_script
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mount_mount_data_device $primary_host $res
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resource_clear_data_device $primary_host $res
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lib_rw_start_writing_data_device $primary_host "writer_pid" \
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"writer_script" 0 1 $res
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resize_do_resize $primary_host $secondary_host $res $dev \
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$data_lv_size_new $mars_data_dev_size_new
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resize_check_resize_post_conditions $primary_host $secondary_host \
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$res $dev $mars_data_dev_size_new \
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$writer_script
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resize_resize_to_orig_size $primary_host $secondary_host $dev \
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$data_lv_size_orig
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}
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function resize_check_resize_post_conditions
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{
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[ $# -eq 6 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
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local primary_host=$1 secondary_host=$2 res=$3 dev=$4
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local mars_data_dev_size_new=$5 writer_script=$6
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local write_count test_size
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lib_linktree_check_link_int_value $secondary_host $res "syncstatus" \
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$mars_data_dev_size_new 1000000000
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# after sync disk state must be Outdated || Uptodate
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marsview_wait_for_state $secondary_host $res "disk" ".*date.*" \
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$marsview_wait_for_state_time || lib_exit 1
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if [ -n "$writer_script" ]; then
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lib_rw_stop_writing_data_device $primary_host $writer_script \
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"write_count"
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main_error_recovery_functions["lib_rw_stop_scripts"]=
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fi
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local should_fail=0 test_file
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if [ $resource_fs_on_data_device_necessary -eq 1 ]; then
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test_file=${resource_mount_point_list[$res]}/resize_test
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else
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test_file=$(resource_get_data_device $res)
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fi
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for test_size in $(($mars_data_dev_size_new - 1)) $mars_data_dev_size_new
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do
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datadev_full_dd_on_device $primary_host $test_file $test_size 4711 \
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$should_fail
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should_fail=1
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lib_remote_idfile $primary_host \
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"if ls -l $test_file; then rm -f $test_file;fi" \
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|| lib_exit 1
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done
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mount_umount_data_device $primary_host $res
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lib_wait_for_secondary_to_become_uptodate_and_cmp_cksums "resize" \
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$secondary_host $primary_host $res \
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$dev $mars_data_dev_size_new
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}
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function resize_do_resize
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{
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[ $# -eq 6 ] || lib_exit 1 "wrong number $# of arguments (args = $*)"
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local primary_host=$1 secondary_host=$2 res=$3 dev=$4 data_lv_size_new=$5
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local mars_data_dev_size_new=$6
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local mars_data_dev=$(resource_get_data_device $res)
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local host time_waited net_throughput
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for host in $primary_host $secondary_host; do
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lv_config_resize_device $host $dev $data_lv_size_new
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lib_linktree_check_link_int_value $host $res "actsize" \
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$data_lv_size_new 1000000000
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done
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for role in "primary" "secondary"; do
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eval host='$'${role}_host
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marsadm_do_cmd $host "pause-sync" $res || lib_exit 1
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marsview_wait_for_state $host $res "disk" ".*date.*" \
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$marsview_wait_for_state_time || lib_exit 1
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marsview_wait_for_state $host $res "repl" "--FA-" \
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$marsview_wait_for_state_time || lib_exit 1
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done
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marsadm_do_cmd $primary_host "resize" "$res ${mars_data_dev_size_new}G" || \
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lib_exit 1
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for host in $primary_host $secondary_host; do
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marsadm_do_cmd $host "resume-sync" $res || lib_exit 1
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done
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if [ $resource_fs_on_data_device_necessary -eq 1 ]; then
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resize_extend_fs $primary_host $mars_data_dev $res
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fi
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lib_wait_until_action_stops "syncstatus" $secondary_host $res \
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$resize_maxtime_sync \
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$resize_time_constant_sync "time_waited" 0 \
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"net_throughput"
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lib_vmsg " ${FUNCNAME[0]}: sync time: $time_waited"
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}
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function resize_extend_fs
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{
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local host=$1 dev=$2 res=$3
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local fs_type=${resource_fs_type_list[$res]}
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if [ -z "$fs_type" ]; then
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lib_exit 1 "resource $res missing in resource_fs_type_list"
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fi
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lib_vmsg " extending $host:$dev (type $fs_type)"
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lib_remote_idfile $primary_host \
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${lv_config_fs_type_grow_cmd_list[$fs_type]} $dev \
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|| lib_exit 1
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}
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function resize_resize_to_orig_size
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{
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local primary_host=$1 secondary_host=$2 dev=$3 data_lv_size_orig=$4
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local host
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resource_leave_all
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for host in $primary_host $secondary_host; do
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lv_config_resize_device $host $dev $data_lv_size_orig
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lib_rw_remote_check_device_fs $host $dev ${resource_fs_type_list[$res]}
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done
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}
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# TODO for i in $(seq 1 1 5);do f=/mnt/test/f$i; date +'%Y%m%d%H%M%S'; dd if=/dev/vg-mars/lv-20 conv=fsync of=$f bs=4K count=125K ; rm -f $f; date +'%Y%m%d%H%M%S'; done
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