How to fix Zyxel NAS326 slow transfer speed

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If you have a problem with the files transfer like speed 1-2MB per second.
You have to enable ssh, login with putty to the nas and go to /etc/exports

You will see a table with your shares and inside sync
replace sync with async and reboot the nas!

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12 Responses

    1. Can you show me what files do you have in etc?
      I will post two images in this topic to show you what I see and have.
      Or check in /etc/zyxel directory?
      Also have you updated it to the last version?

      1. hi sonic,
        below my directories.
        i performed some more test and found, it is only ftp related and only writing to nas326 (1.7MBs).
        reading speed is 100MBs and via windows browser it is also 100MBs in both directions.
        as i can only use ftp due to vpn connection, windows is not an option.
        nas sw should be on latest version and same with other ftp prgs.
        any clue?

        /etc $ ls
        MyZone init.d ppp
        Zy_Private inittab profile
        apache ld.so.conf resolv.conf
        apcupsd lld2d.conf samba
        avahi localtime service_conf
        cloud login.defs settings
        crontab lvm shadow
        cups mdev.conf shadow.default
        default_zy-pkg.conf mime.types ssh
        firmware_src_url modelname ssl
        fstab mtab stunneld.conf
        fw_env.config netatalk style_zyxel
        group nsswitch.conf syslog-ng
        hosts package_src_url target
        hotplug.d pam.conf ugs_conf.db
        hotplug2-common.rules passwd zysyncd.conf
        hotplug2-init.rules passwd.default zyxel
        hotplug2.rules pkg_service_conf
        /etc $ cd zyxel
        /etc/zyxel $ ls
        BackupPlanner flickr-ul.conf~ pkg_conf unpair_flag
        backupjob.db flickr-ul.dat~ pwrmg.db upnp.db
        cert ftp-ul.conf py_conf webdav
        conf ftp-ul.conf~ sch_startime youtube-ul.conf
        dlnotify.status ftp-ul.dat~ schedule youtube-ul.conf~
        dropbox-sync.conf gdrive-sync.conf ssh youtube-ul.dat~
        dropbox-sync.conf~ gdrive-sync.conf~ storage zyfw
        dropbox-sync.dat~ gdrive-sync.dat~ syslog-ng
        dservice.disable hd-idle.conf target
        flickr-ul.conf loop_link_removed ugs_conf.db
        /etc/zyxel $

    1. Okey I have an idea. First go to i-data and check the numbers you have like mine are /i-data/8a6487e5.
      Now create a file called exports in etc vi /etc/exports and put this inside:
      /i-data/8a6487e5/nfs *(rw,async,crossmnt,fsid=0,no_subtree_check,wdelay,no_root_squash)
      After reboot and tell mi what happened 🙂
      Don’t forget to change the numbers in the path!

  3. thanks sonik,
    but is ftp even using nfs (exports) ?
    i thought it is for nfs i.e. windows drag/drop where i have full speed.
    anyhow, i will try next week when i‘m back.

  4. hi sonik,
    it didn’t worked. The /etc/exports file is gone after reboot.
    is nfs a file or path, as both are not on my system, see below.

    ——
    /i-data/aa91fe99 # ls -la
    drwxrwxrwx 12 root root 4096 Sep 13 2018 .
    drwxr-xr-x 3 root root 0 Feb 23 09:22 ..
    drwxr-xr-x 4 root root 4096 Sep 13 2018 .PKG
    drwxrwxrwx 6 root root 4096 Sep 12 2018 .media
    drwxrwxrwx 9 1013 1000 4096 Feb 23 09:25 .system
    drwxrwxrwx 12 root root 4096 Feb 23 09:24 KT
    drwxrwxrwx 5 root root 4096 Feb 4 12:54 admin
    -rw——- 1 root root 8192 Sep 12 2018 aquota.user
    drwx—— 2 root root 16384 Sep 12 2018 lost+found
    drwxrwxrwx 2 root root 4096 Sep 26 2018 music
    drwxrwxrwx 2 root root 4096 Sep 12 2018 photo
    drwxrwxrwx 2 root root 4096 Dec 4 2019 sync
    drwxrwxrwx 2 root root 4096 Sep 12 2018 video
    /i-data/aa91fe99 # ls -l .PKG/
    drwxr-xr-x 7 root root 4096 Sep 13 2018 NFS
    drwxr-xr-x 10 root root 4096 Sep 12 2018 myZyXELcloud-Agent
    /i-data/aa91fe99 # ls -l .PKG/NFS/
    drwxr-xr-x 2 root root 4096 Sep 13 2018 bin
    drwxr-xr-x 3 root root 4096 Sep 13 2018 etc
    drwxr-xr-x 3 root root 4096 Sep 13 2018 gui
    drwxr-xr-x 3 root root 4096 Sep 13 2018 lib
    drwxr-xr-x 3 root root 4096 Sep 13 2018 zypkg_conf
    /i-data/aa91fe99 #

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