GL-MT300N-V2 - GL.iNet after upgrade to 3.201 Free space: 6% (0 MB)

zuhri2395 · 2021-04-18T12:09:30.020Z

try du -ha /etc/ | sort
replace /etc/ with directory you want to check

GL-FUN · 2021-04-18T18:25:37.317Z

Thanks! Can somebody post here the “normal” from / ?

Thanks!

elorimer · 2021-04-18T19:24:35.363Z

That’s a little under 31,000 lines.

If it was me, and it was, going from 3.105 to 3.201 I would reset to factory defaults and reconfigure. If I recall correctly, OpenWRT advises that going from the 18 to the 19 chain but I would do that even if they don’t.

I didn’t have much in my old setup to document/remember/redo: my wifi settings, my openvpn configs, my wireguard configs, nano, adblock and sqm. Took about 10 minutes.

Johnex · 2021-04-18T22:32:59.128Z

If you consider it unacceptable then just don’t update. OpenWRT did so many changes from 18 to 19 that is just not possible to have a perfect upgrade solution. As i wrote before, you should be making your own scripts to configure the router, then you will be able to always have your perfect config, regardless of what happens in the system around your files and config. I have my script, paste it into the SSH window after upgrade without saving config, and boom, after the router restarts everything is exactly as i want it.

GL releases one new full release every 6 months to a year, sometimes more (in the case of 19). Is it too hard to do all your config 2 times a year?

eric · 2021-04-18T23:18:35.299Z

@Johnex Shouldn’t the magical GL iNet proprietary software interface handle update issues, without the end user having to learn command line Linux admin functions? I have a Linux system running that started with Ubuntu 16.04 and is now running 20.04, going through 2 major updates and multiple point updates, that has not required me to make any manual changes, so we all know that it is possible to handle major updates to Linux systems without manual intervention if proper engineering is done.

alzhao · 2021-04-19T04:36:29.926Z

I tried upgrade from 3.105 to 3.201 and the available storage is normal.

It depends how what did you install in the router. So it may be case-by-case based. We cannot remove your files if you choose to keep settings.

The mini router has only 16MByte storage. If you use AR750s which has 128MByte, you may never experience this problem.

BTW, my ubuntu crashes because of HDD is full. I have to enter safe mode, remove unnecessary files so that it can boot.

makino16 · 2021-04-19T06:25:33.278Z

I wish there was a sample for anyone who wants to start learning about their own init scripts.
It doesn’t have to run successfully. Rather, It’s best to nothing is done as it is, and it should only work by removing the failsafe.

It is important that it is not a “patch” that an inexperienced user just copies, but a “template” for beginners to start learning.
It needs to be clarified, because it is impossible to write a script that just write once and it run anywhere

Johnex · 2021-04-19T08:51:11.210Z

You can’t compare embedded linux to something like Ubuntu. OpenWRT has it’s own config files. It is also OpenWRT that directly recommends not to keep configs going from major versions.

Johnex · 2021-04-19T09:25:28.860Z

@GL-FUN @makino16

Automatic Configuration Script Technical Support for Routers

I use the script bellow to configure my routers every time I do an upgrade of the firmware. I don’t like having a lot of residual files taking up space, and when going from one version to another it is not recommended to save settings when doing an upgrade. The script is for the S1300, and you will need to read it and go through changing some of the values for your router, but its a good starting point. You can copy individual lines of the script and run them to see what is going on and you can…

GL-FUN · 2021-04-19T09:36:34.513Z

@Johnex this gadget might be in hands of those, who may not know how to do it. your advice is not very useful for those, sorry.

GL-FUN · 2021-04-19T09:37:41.764Z

alzhao:

I tried upgrade from 3.105 to 3.201 and the available storage is normal.

can you tell me, what is normal, and how I can check that that on my side, please?

Johnex · 2021-04-19T09:39:22.425Z

@GL-FUN You are welcome . I’m sure it will be useful for a lot of people including @makino16

GL-FUN · 2021-04-19T09:43:32.780Z

Johnex:

I’m sure it will be useful for a lot of people

i am sure! it is useful for me too, but not all users even understand what you are talking about. and, therefore, for those, it is not good to progress solving their problems…

GL-FUN · 2021-04-19T10:00:38.304Z

zuhri2395:

try du -ha /etc/ | sort

OK, what is suspicious below? thanks all for your help!

root@GL-MT300N-V2:~# du -ha /etc/ | sort | egrep "\..K"
1.0K /etc/config/ddns
1.0K /etc/config/luci
1.0K /etc/config/luci-opkg
1.0K /etc/config/nodogsplash
1.0K /etc/config/shadowsocks
1.0K /etc/config/ssids
1.0K /etc/config/ucitrack
1.0K /etc/config/ucitrack-opkg
1.0K /etc/config/uhttpd
1.0K /etc/config/wireless
1.0K /etc/dropbear
1.0K /etc/dropbear/dropbear_rsa_host_key
1.0K /etc/forward
1.0K /etc/gcom/runcommand.gcom
1.0K /etc/gcom/setpin.gcom
1.0K /etc/hotplug.d/iface/25-glqos
1.0K /etc/hotplug.d/net/30-tethering
1.0K /etc/hotplug.d/tty
1.0K /etc/hotplug.d/tty/30-3g
1.0K /etc/hotplug.d/usb/20-usbmuxd
1.0K /etc/hotplug.d/usbmisc
1.0K /etc/hotplug.d/usbmisc/00_wwan.sh
1.0K /etc/init.d/cron
1.0K /etc/init.d/ddns
1.0K /etc/init.d/firewall
1.0K /etc/init.d/gl_monitor
1.0K /etc/init.d/gpio_switch
1.0K /etc/init.d/lighttpd
1.0K /etc/init.d/set-irq-affinity
1.0K /etc/init.d/stubby
1.0K /etc/init.d/sysfixtime
1.0K /etc/init.d/system
1.0K /etc/lighttpd/conf.d/30-cgi.conf
1.0K /etc/lighttpd/conf.d/30-expire.conf
1.0K /etc/mwan3.user
1.0K /etc/openvpn/ovpn4/cert/202006111436-Wdc.key
1.0K /etc/preinit
1.0K /etc/rc.button/rfkill
1.0K /etc/rc.local
1.0K /etc/samba
1.0K /etc/samba/smb.conf.template
1.0K /etc/ssl/certs/AffirmTrust_Premium_ECC.crt
1.0K /etc/ssl/certs/Amazon_Root_CA_3.crt
1.0K /etc/ssl/certs/Amazon_Root_CA_4.crt
1.0K /etc/ssl/certs/COMODO_ECC_Certification_Authority.crt
1.0K /etc/ssl/certs/DigiCert_Assured_ID_Root_G3.crt
1.0K /etc/ssl/certs/DigiCert_Global_Root_G3.crt
1.0K /etc/ssl/certs/GTS_Root_R3.crt
1.0K /etc/ssl/certs/GTS_Root_R4.crt
1.0K /etc/ssl/certs/GlobalSign_ECC_Root_CA_-<em>R4.crt
1.0K /etc/ssl/certs/GlobalSign_ECC_Root_CA</em>-<em>R5.crt
1.0K /etc/ssl/certs/Hellenic_Academic_and_Research_Institutions_ECC_RootCA_2015.crt
1.0K /etc/ssl/certs/OISTE_WISeKey_Global_Root_GC_CA.crt
1.0K /etc/ssl/certs/SSL.com_EV_Root_Certification_Authority_ECC.crt
1.0K /etc/ssl/certs/SSL.com_Root_Certification_Authority_ECC.crt
1.0K /etc/ssl/certs/USERTrust_ECC_Certification_Authority.crt
1.0K /etc/ssl/certs/emSign_ECC_Root_CA</em>-<em>C3.crt
1.0K /etc/ssl/certs/emSign_ECC_Root_CA</em>-<em>G3.crt
1.0K /etc/stubby/stubby_nextdns.yml
1.0K /etc/stubby/stubby_nextdns_default.yml
1.0K /etc/sysctl.conf
1.0K /etc/sysctl.d/10-default.conf
1.0K /etc/uhttpd.crt
1.5K /etc/board.d/03_gpio_switches
1.5K /etc/board.json
1.5K /etc/config/dhcp
1.5K /etc/config/dnscrypt-proxy
1.5K /etc/config/glconfig
1.5K /etc/config/network
1.5K /etc/config/qos
1.5K /etc/config/system
1.5K /etc/diag.sh
1.5K /etc/dnsmasq.conf
1.5K /etc/ethertypes
1.5K /etc/hotplug.d/net/20-smp-tune
1.5K /etc/hotplug.json
1.5K /etc/init.d/boot
1.5K /etc/init.d/done
1.5K /etc/init.d/gl_bigdata
1.5K /etc/init.d/sysctl
1.5K /etc/init.d/ucitrack
1.5K /etc/iproute2
1.5K /etc/lighttpd/conf.d/30-proxy.conf
1.5K /etc/nodogsplash/htdocs/images/favicon.ico
1.5K /etc/nodogsplash/htdocs/infoskel.html
1.5K /etc/openvpn/update-resolv-conf
1.5K /etc/profile
1.5K /etc/rc.d
1.5K /etc/ssl/certs/AffirmTrust_Commercial.crt
1.5K /etc/ssl/certs/AffirmTrust_Networking.crt
1.5K /etc/ssl/certs/Amazon_Root_CA_1.crt
1.5K /etc/ssl/certs/Atos_TrustedRoot_2011.crt
1.5K /etc/ssl/certs/Baltimore_CyberTrust_Root.crt
1.5K /etc/ssl/certs/COMODO_Certification_Authority.crt
1.5K /etc/ssl/certs/Certigna.crt
1.5K /etc/ssl/certs/Certum_Trusted_Network_CA.crt
1.5K /etc/ssl/certs/Comodo_AAA_Services_root.crt
1.5K /etc/ssl/certs/Cybertrust_Global_Root.crt
1.5K /etc/ssl/certs/D-TRUST_Root_Class_3_CA_2_2009.crt
1.5K /etc/ssl/certs/DST_Root_CA_X3.crt
1.5K /etc/ssl/certs/DigiCert_Assured_ID_Root_CA.crt
1.5K /etc/ssl/certs/DigiCert_Assured_ID_Root_G2.crt
1.5K /etc/ssl/certs/DigiCert_Global_Root_CA.crt
1.5K /etc/ssl/certs/DigiCert_Global_Root_G2.crt
1.5K /etc/ssl/certs/DigiCert_High_Assurance_EV_Root_CA.crt
1.5K /etc/ssl/certs/EE_Certification_Centre_Root_CA.crt
1.5K /etc/ssl/certs/Entrust.net_Premium_2048_Secure_Server_CA.crt
1.5K /etc/ssl/certs/Entrust_Root_Certification_Authority</em>-<em>EC1.crt
1.5K /etc/ssl/certs/Entrust_Root_Certification_Authority</em>-<em>G2.crt
1.5K /etc/ssl/certs/GlobalSign_Root_CA.crt
1.5K /etc/ssl/certs/GlobalSign_Root_CA</em>-<em>R2.crt
1.5K /etc/ssl/certs/GlobalSign_Root_CA</em>-<em>R3.crt
1.5K /etc/ssl/certs/Go_Daddy_Class_2_CA.crt
1.5K /etc/ssl/certs/Go_Daddy_Root_Certificate_Authority</em>-<em>G2.crt
1.5K /etc/ssl/certs/Hellenic_Academic_and_Research_Institutions_RootCA_2011.crt
1.5K /etc/ssl/certs/Hongkong_Post_Root_CA_1.crt
1.5K /etc/ssl/certs/Microsec_e-Szigno_Root_CA_2009.crt
1.5K /etc/ssl/certs/NetLock_Arany</em>=Class_Gold=<em>FХtanУКsУtvУЁny.crt
1.5K /etc/ssl/certs/Network_Solutions_Certificate_Authority.crt
1.5K /etc/ssl/certs/OISTE_WISeKey_Global_Root_GA_CA.crt
1.5K /etc/ssl/certs/OISTE_WISeKey_Global_Root_GB_CA.crt
1.5K /etc/ssl/certs/SZAFIR_ROOT_CA2.crt
1.5K /etc/ssl/certs/SecureSign_RootCA11.crt
1.5K /etc/ssl/certs/SecureTrust_CA.crt
1.5K /etc/ssl/certs/Secure_Global_CA.crt
1.5K /etc/ssl/certs/Security_Communication_RootCA2.crt
1.5K /etc/ssl/certs/Security_Communication_Root_CA.crt
1.5K /etc/ssl/certs/Sonera_Class_2_Root_CA.crt
1.5K /etc/ssl/certs/Starfield_Class_2_CA.crt
1.5K /etc/ssl/certs/Starfield_Root_Certificate_Authority</em>-<em>G2.crt
1.5K /etc/ssl/certs/Starfield_Services_Root_Certificate_Authority</em>-<em>G2.crt
1.5K /etc/ssl/certs/T-TeleSec_GlobalRoot_Class_2.crt
1.5K /etc/ssl/certs/T-TeleSec_GlobalRoot_Class_3.crt
1.5K /etc/ssl/certs/TWCA_Root_Certification_Authority.crt
1.5K /etc/ssl/certs/TrustCor_ECA-1.crt
1.5K /etc/ssl/certs/TrustCor_RootCert_CA-1.crt
1.5K /etc/ssl/certs/Trustis_FPS_Root_CA.crt
1.5K /etc/ssl/certs/Verisign_Class_3_Public_Primary_Certification_Authority</em>-<em>G3.crt
1.5K /etc/ssl/certs/XRamp_Global_CA_Root.crt
1.5K /etc/ssl/certs/certSIGN_ROOT_CA.crt
1.5K /etc/ssl/certs/emSign_Root_CA</em>-<em>C1.crt
1.5K /etc/ssl/certs/emSign_Root_CA</em>-<em>G1.crt
1.5K /etc/stubby/stubby.yml
10.0K /etc/init.d/gl_ipv6
10.0K /etc/opkg
11.5K /etc/init.d/nodogsplash
12.5K /etc/ddns
12.5K /etc/ssl/openssl.cnf
13.5K /etc/config/openvpn
14.5K /etc/board.d/02_network
15.5K /etc/board.d/01_leds
16.5K /etc/hotplug.d/iface
18.0K /etc/lighttpd
19.0K /etc/stubby/stubby.yml.default
194.0K /etc/ssl/certs/ca-certificates.crt
2.0K /etc/chatscripts
2.0K /etc/config/mwan3
2.0K /etc/hotplug.d/firmware
2.0K /etc/hotplug.d/firmware/10-rt2x00-eeprom
2.0K /etc/init.d/qosswitch
2.0K /etc/init.d/rtty
2.0K /etc/lighttpd/lighttpd.conf
2.0K /etc/openvpn/ovpn4/cert/202006111436-ca.crt
2.0K /etc/rc.button/wps
2.0K /etc/ssl/certs/AC_RAIZ_FNMT-RCM.crt
2.0K /etc/ssl/certs/AffirmTrust_Premium.crt
2.0K /etc/ssl/certs/Amazon_Root_CA_2.crt
2.0K /etc/ssl/certs/Buypass_Class_2_Root_CA.crt
2.0K /etc/ssl/certs/Buypass_Class_3_Root_CA.crt
2.0K /etc/ssl/certs/CA_Disig_Root_R2.crt
2.0K /etc/ssl/certs/CFCA_EV_ROOT.crt
2.0K /etc/ssl/certs/D-TRUST_Root_Class_3_CA_2_EV_2009.crt
2.0K /etc/ssl/certs/DigiCert_Trusted_Root_G4.crt
2.0K /etc/ssl/certs/EC-ACC.crt
2.0K /etc/ssl/certs/Entrust_Root_Certification_Authority.crt
2.0K /etc/ssl/certs/GDCA_TrustAUTH_R5_ROOT.crt
2.0K /etc/ssl/certs/GTS_Root_R1.crt
2.0K /etc/ssl/certs/GTS_Root_R2.crt
2.0K /etc/ssl/certs/GeoTrust_Universal_CA_2.crt
2.0K /etc/ssl/certs/GlobalSign_Root_CA</em>-<em>R6.crt
2.0K /etc/ssl/certs/ISRG_Root_X1.crt
2.0K /etc/ssl/certs/IdenTrust_Commercial_Root_CA_1.crt
2.0K /etc/ssl/certs/IdenTrust_Public_Sector_Root_CA_1.crt
2.0K /etc/ssl/certs/QuoVadis_Root_CA_1_G3.crt
2.0K /etc/ssl/certs/QuoVadis_Root_CA_2.crt
2.0K /etc/ssl/certs/QuoVadis_Root_CA_2_G3.crt
2.0K /etc/ssl/certs/QuoVadis_Root_CA_3_G3.crt
2.0K /etc/ssl/certs/Staat_der_Nederlanden_EV_Root_CA.crt
2.0K /etc/ssl/certs/Staat_der_Nederlanden_Root_CA</em>-<em>G3.crt
2.0K /etc/ssl/certs/SwissSign_Gold_CA</em>-<em>G2.crt
2.0K /etc/ssl/certs/TUBITAK_Kamu_SM_SSL_Kok_Sertifikasi</em>-<em>Surum_1.crt
2.0K /etc/ssl/certs/TWCA_Global_Root_CA.crt
2.0K /etc/ssl/certs/Taiwan_GRCA.crt
2.0K /etc/ssl/certs/TeliaSonera_Root_CA_v1.crt
2.0K /etc/ssl/certs/UCA_Extended_Validation_Root.crt
2.0K /etc/ssl/certs/UCA_Global_G2_Root.crt
2.0K /etc/ssl/certs/ePKI_Root_Certification_Authority.crt
2.0K /etc/tertf/tertfinfo_bak
2.0K /etc/uhttpd.key
2.5K /etc/firewall.user
2.5K /etc/gcom/ncm.json
2.5K /etc/hotplug.d/block/10-mount
2.5K /etc/hotplug.d/usb
2.5K /etc/init.d/gl_tertf
2.5K /etc/init.d/log
2.5K /etc/init.d/relayd
2.5K /etc/init.d/sysntpd
2.5K /etc/nodogsplash/htdocs/images/splash.jpg
2.5K /etc/protocols
2.5K /etc/rc.common
2.5K /etc/ssl/certs/Actalis_Authentication_Root_CA.crt
2.5K /etc/ssl/certs/Autoridad_de_Certificacion_Firmaprofesional_CIF_A62634068.crt
2.5K /etc/ssl/certs/COMODO_RSA_Certification_Authority.crt
2.5K /etc/ssl/certs/Certigna_Root_CA.crt
2.5K /etc/ssl/certs/Certum_Trusted_Network_CA_2.crt
2.5K /etc/ssl/certs/E-Tugra_Certification_Authority.crt
2.5K /etc/ssl/certs/Entrust_Root_Certification_Authority</em>-<em>G4.crt
2.5K /etc/ssl/certs/Hellenic_Academic_and_Research_Institutions_RootCA_2015.crt
2.5K /etc/ssl/certs/Hongkong_Post_Root_CA_3.crt
2.5K /etc/ssl/certs/Izenpe.com.crt
2.5K /etc/ssl/certs/LuxTrust_Global_Root_2.crt
2.5K /etc/ssl/certs/QuoVadis_Root_CA.crt
2.5K /etc/ssl/certs/QuoVadis_Root_CA_3.crt
2.5K /etc/ssl/certs/SSL.com_EV_Root_Certification_Authority_RSA_R2.crt
2.5K /etc/ssl/certs/SSL.com_Root_Certification_Authority_RSA.crt
2.5K /etc/ssl/certs/Staat_der_Nederlanden_Root_CA</em>-<em>G2.crt
2.5K /etc/ssl/certs/SwissSign_Silver_CA</em>-<em>G2.crt
2.5K /etc/ssl/certs/TrustCor_RootCert_CA-2.crt
2.5K /etc/ssl/certs/USERTrust_RSA_Certification_Authority.crt
2.5K /etc/sysctl.d
21.0K /etc/init.d/wireguard
21.5K /etc/init.d/gl_init
22.5K /etc/stubby
231.5K /etc/init.d
27.5K /etc/init.d/gl_route_policy
29.5K /etc/init.d/dnsmasq
3.0K /etc/hotplug.d/block/50-samba
3.0K /etc/hotplug.d/iface/15-mwan3
3.0K /etc/init.d/network
3.0K /etc/lighttpd/mime.conf
3.0K /etc/openvpn/ovpn4/cert
3.0K /etc/ssl/certs/ACCVRAIZ1.crt
3.0K /etc/ssl/certs/Chambers_of_Commerce_Root</em>-<em>2008.crt
3.0K /etc/ssl/certs/Global_Chambersign_Root</em>-_2008.crt
3.5K /etc/init.d/glfw
3.5K /etc/lighttpd/server.pem
3.5K /etc/services
32.0K /etc/board.d
34.0K /etc/hotplug.d
4.0K /etc/ddns/services_ipv6
4.0K /etc/hotplug.d/net
4.0K /etc/init.d/led
4.0K /etc/wireless
4.0K /etc/wireless/mt7628
4.0K /etc/wireless/mt7628/mt7628.dat
4.5K /etc/config/uhttpd-opkg
4.5K /etc/firewall.nat6
4.5K /etc/init.d/generate_channel_list
4.5K /etc/init.d/vpn-service
4.5K /etc/lighttpd/conf.d/30-fastcgi.conf
41.0K /etc/modules.d
414.5K /etc/ssl/certs
427.0K /etc/ssl
5.0K /etc/config/firewall
5.0K /etc/init.d/openvpn
5.5K /etc/hotplug.d/block
5.5K /etc/init.d/dnscrypt-proxy
5.5K /etc/init.d/uhttpd
5.5K /etc/rc.button
5.5K /etc/vpn.user
52.0K /etc/usb-mode.json
54.0K /etc/config
6.0K /etc/init.d/dropbear
6.0K /etc/init.d/gl_s2s
6.5K /etc/init.d/wireguard_server
61.0K /etc/openvpn/ovpn4
63.0K /etc/openvpn
7.0K /etc/nodogsplash/htdocs/splash.html
7.5K /etc/init.d/glqos
77.5K /etc/nodogsplash/htdocs/images/portal_login.png
8.5K /etc/ddns/services
8.5K /etc/gcom
81.5K /etc/nodogsplash/htdocs/images
9.0K /etc/hotplug.d/iface/21-mirrir_route
9.0K /etc/opkg/keys
9.5K /etc/init.d/startvpn
9.5K /etc/lighttpd/conf.d
90.0K /etc/nodogsplash
90.0K /etc/nodogsplash/htdocs
928.0K /etc/tertf/mac_vendor.db
930.0K /etc/tertf
root@GL-MT300N-V2:~#

alzhao · 2021-04-19T10:33:51.805Z

Go to applications → plugins and you will be shown how much space left for you.

After install 3.201, you should have around 2MByte

GL-FUN · 2021-04-19T10:58:25.201Z

alzhao:

After install 3.201, you should have around 2MByte

applications → plugins: Free space: 3% (0 MB)
i had to uninstall nano (the one i installed previously), sms, smtp, and ppp packages to install luci.
the space now is with luci installed

However,
LuCI → System → Software: 11% (4432.2KB) & installed 284 packages
Powered by LuCI openwrt-19.07 branch (git-21.044.30835-34e0d65) / OpenWrt 19.07.7 r11306-c4a6851c72

what shall I believe to?

Q: is bind part of the distro?

bind-check 9.16.8-1 bind administration tools (named-checkconf and named-checkzone only)
bind-dig 9.16.8-1 bind DNS excavation tool
bind-dnssec 9.16.8-1 bind administration tools (dnssec-keygen, dnssec-settime and dnssec-signzone only)
bind-hos t9.16.8-1 bind simple DNS client
bind-libs 9.16.8-1 bind shared libraries
bind-nslookup 9.16.8-1 bind nslookup utility
bind-rndc 9.16.8-1 bind administration tools (rndc and rndc-confgen only)
bind-tools 9.16.8-1 bind administration tools (all)

elorimer · 2021-04-19T12:51:52.612Z

I didn’t do a detailed comparison, but many of my files have different sizes. Some more, some less. I have some you don’t. I would be bothered by the different sizes.

It might be nice to get rid of some of these packages, or have them installed if needed. I don’t need a captive portal, for example,so dumping nodogsplash would save a little bit. I wonder if we could dispense with the MAC database, too.

GL-FUN · 2021-04-21T11:57:01.385Z

elorimer:

It might be nice to get rid of some of these packages, or have them installed if needed. I don’t need a captive portal, for example,so dumping nodogsplash would save a little bit. I wonder if we could dispense with the MAC database, too

i wonder if that is safe to remove, too, please?

eric · 2021-04-21T12:09:07.533Z

I totally agree with making the MAC database optional. It is taking up almost a megabyte which if it was an option, would give us almost 50% more free space, going from 2MB available to about 3MB.

GL-FUN · 2021-04-25T15:56:13.282Z

All right, can we say with authority the MAC database can be removed?