Here's the synoinfo.conf from RS18016xs+
It does seem that most if not all of the files are the same. Except for this config.
I borked my install playing with it.. I'll try again when I have more time..
It does seem like this might allow unlocking of the snapshot interface
support_dr_snap="yes"
synoinfo.conf>>
unique="synology_bromolow_rs18016xs+"
company_title="Synology"
# system options
timezone="Pacific"
language="def"
maillang="enu"
codepage="enu"
defquota="5"
defshare="public"
defgroup="users"
defright="writeable"
configured="no"
admin_port="5000"
secure_admin_port="5001"
pswdprotect="no"
autoblock_expriedday="0"
autoblock_attempts="0"
autoblock_attempt_min="0"
supportweb="yes"
supportphoto="yes"
support_download="yes"
supportmysql="yes"
supportquota="yes"
supportitunes="yes"
supportddns="yes"
supportfilestation="yes"
supportssl="yes"
supportssh="yes"
supportHTTPS="yes"
supportNFS="yes"
supportrsrcmon="yes"
supportmemtest="yes"
supportmount="yes"
support_fw_security="yes"
support_directory_service="yes"
support_power_schedule="yes"
support_buzzer="yes"
support_poweroff="yes"
supporttrustdomain="yes"
support_ipsec="yes"
support_spdy="yes"
supportMFP="yes"
support_synoacl="yes"
support_wireless="yes"
support_wireless_number="2"
supportMTU="yes"
supportrcpower="yes"
supportext4="yes"
supporthfsplus="yes"
support_wimax="yes"
showdisktemperature="yes"
support_mtd_serial="yes"
support_auto_poweron="yes"
support_synopkg="yes"
supportsmart="yes"
supportntfswrite="yes"
support_share_encryption="yes"
mfp_manualtimer="300"
mfp_autotimer="60"
buzzeroffcfg="0x00"
supportfileindex="yes"
disk_warning_percent="0.01"
disk_inode_warning_percent="0.01"
esata_disk_warning_percent="0.01"
esata_partition_warning_percent="0.01"
usb_disk_warning_percent="0.01"
usb_partition_warning_percent="0.01"
sdcard_warning_percent="0.01"
sdcard_partition_warning_percent="0.01"
supportTc="yes"
supportVLAN="yes"
support_iscsi_target_block="yes"
support_iscsi_target="yes"
support_iscsi_lunbkp="yes"
support_postgresql_data_checksums="yes"
support_apparmor="yes"
support_power_recovery="yes"
# service options
ftpport="21"
syslogport="514"
ftp_trans_ext_ip="no"
ftpflowcontrol="no"
ftpmaxuploadrate="0"
ftpmaxdownloadrate="0"
ftpanonymouslogin="no"
ftpsupportutf8="yes"
ftp_use_utf8="no"
diskcache="on"
standbytimer="0"
standby_force="yes"
auto_poweroff_timer="0"
enableguest="no"
usbbkp="yes"
usbcopy="no"
netbkp="yes"
runmysql="no"
runsysspdy="yes"
runuserspdy="yes"
supportmediaservice="yes"
runmediaservice="no"
supportups="yes"
ddns_update="no"
ddns_select=""
ddns_reclaim_interval_mins="3"
portmap_admin="no"
portmap_ftp="no"
portmap_http="no"
portmap_http_add="no"
portmap_netbkp="no"
portmap_netbkp_encrypt="no"
php_openbasedir_customize="no"
ss_sync_event_player="yes"
ss_cms="yes"
ss_vs="yes"
#run_bonjour_printer_service="yes"
printer_driver_host="http://download.synology.com/airprint/DSM5.2"
supportstartupd="yes"
supportdomain="yes"
supportldap="yes"
supportsnapshot="yes"
supportvideostation="yes"
support_audio="yes"
supportphotopersonal="yes"
supportsurveillance="yes"
support_s2s="yes"
support_timebkp_server="yes"
support_img_backupd="yes"
enableRCPower="no"
# service limitations
maxaccounts="16000"
maxgroups="512"
maxshares="512"
maxdisks="12"
maxprinters="2"
maxlogsize="64"
maxvhost="30"
# UI options (limitations)
company="synology"
supplang="enu,cht,chs,krn,ger,fre,ita,spn,jpn,dan,nor,sve,nld,rus,plk,ptb,ptg,hun,trk,csy"
product="RackStation"
manager="Synology RackStation"
vender="Synology Inc."
mailfrom="Synology RackStation"
updateurl="http://www.synology.com/"
win98autodisconnect="yes"
supportdcacheui="yes"
wins="none"
AppleTalk="eth0"
hostname="RackStation"
ntpdate_period="daily"
ntpdate_server="time.google.com"
ntpdate_server_backup=""
sdkversion="no"
allowanonymous="yes"
httpport="80"
httpsport="0"
defaultfs="btrfs"
systemfs="ext4"
addport="no"
supportuart2="yes"
# SMS options
smsserver="clickatell"
smsport="80"
smstemplate="https://api.clickatell.com/http/sendmsg?user=@@USER@@&password=@@PASS@@&api_id=3148203&to=@@PHONE@@&text=@@TEXT@@"
smssepchar="+"
smsuser=""
smspass=""
smsphone1=""
smsphone2=""
smsssl="yes"
smstest="no"
smsneedinterval="no"
smsinterval="1"
# VS60 options
vs_version="1.1"
# DSM auto update default server
rss_server="http://update.synology.com/autoupdate/genRSS.php"
rss_server_ssl="https://update.synology.com/autoupdate/genRSS.php"
# Push Service Server address
pushservice_server="https://sns.synology.com/api/"
pushbrowser_server="https://notification.synology.com/web/"
# Redirect Server address
redirect_server="https://gofile.me/"
package_update_channel="stable"
pkg_source_trust_level="0"
update_server="http://update.synology.com/"
#allowed urls for iframe embed, separate by ','
frame_options_built_in_allow_url="gofile.me/,find.synology.com/"
frame_options_deny_url=""
#prevent csrf attack
enable_syno_token="yes"
token_invalid_referer="fbsharing,fbdownload"
token_valid_user_agent=""
#DSM Update type
upgradetype="all"
#DSM Small Update URL
small_info_path="https://update.synology.com/smallupdate"
#Help Online URL
online_help_base_url="http://help.synology.com/"
# password rules turn on by default
strong_password_enable="yes"
# default dsm timeout
dsmtimeout="15"
# open arp_ignore and interface policy routing by default
arp_ignore="yes"
upnpmodelurl=""
upnpmodelname="RS18016xs+"
upnpmanufacturerurl="http://www.synology.com/"
runupnp="no"
upnpfriendlyname="RackStation Device"
upnpdevicetype="RackStation"
upnpmodeldescription="RackStation UPnP Device"
sas_enclosure_max="14"
supportraidcross="yes"
mem_default_mb="8192"
support_ha="yes"
timebkp_max_task="16"
support_vaai="yes"
supportsystemperature="yes"
pgsql_sys_max_connections="256"
support_btrfs="yes"
support_fan_adjust_dual_mode="yes"
supportsas="yes"
support_enc_powerctrl_onoff="yes"
php_cache_size="64"
support_aesni_intel="yes"
enable_zram="yes"
support_share_user_quota="yes"
max_snapshot_per_lun="256"
use_reserved_more_gdt="no"
iscsi_target_type="lio"
mem_max_mb="32768"
synobios="bromolow"
support_share_quota="yes"
usbportnum="4"
supportadt7490="yes"
support_hotspare="yes"
vpn_conn_max="30"
buzzeroffen="0xdf"
support_generic_ssd="yes"
support_dr_snap="yes"
support_zram="yes"
supportraid="yes"
supportraidgroup="yes"
support_ssd_cache="yes"
eth3_wol_options="d"
eth2_wol_options="d"
support_write_cache="yes"
eth1_wol_options="d"
wol_enabled_options="g"
max_iscsiluns="512"
support_webinstall="yes"
max_iscsitrgs="128"
eth0_wol_options="d"
surveillance_camera_max="90"
support_fan_adjust_by_ext_nic="yes"
s2s_task_max="32"
support_iscsi_plugin="yes"
support_share_snapshot="yes"
supportsystempwarning="yes"
support_trim="yes"
max_volumes="1024"
display_ssd_compatibility="yes"
max_ha_spacecount="64"
cache_support_skip_seq_io="yes"
support_wol="yes"
max_lunbkp_srv="32"
fan_config_type_internal="low"
sysctl_kernel.sem="250 32000 32 256"
eth7_mtu="1500"
eth6_mtu="1500"
eth5_mtu="1500"
eth4_mtu="1500"
cache_skip_seq_io_min_num_disk="4"
eth3_mtu="1500"
eth2_mtu="1500"
eth1_mtu="1500"
eth0_mtu="1500"
maxlanport="12"
s2s_watches_max="1024000"