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handy1's avatar
handy1
Aspirant
Nov 13, 2012

Running a Time Sync Daemon to avoid NFS delays (Duo v.1.)?

I'm running 3 machines as well as a ReadyNAS Duo v.1, with the following systems: Linux (dual boots Win 7), PC-BSD & Mac OS/X 10.6.8.

Due to a delay in the bootup of a new Linux install, I've come to appreciate that my network may be suffering from delays due to the time on each running machine not being accurately the same.

The Arch Linux wiki says the following:

Note: It is HIGHLY recommended to use a time sync daemon on ALL nodes of your network to keep client/server clocks in sync. Without accurate clocks on all nodes, NFS can introduce unwanted delays!


My questions are, is there a method for setting up the ReadyNAS Duo v.1. to be the LAN time server? If so how?

If the unfortunate situation is that it is not possible, then the next question is how do you get the Duo to run a time sync daemon & accept one of the other machines as the time server?

For reasonably obvious reasons, it really would be best if the Duo could be the time server.

Any help on this matter will be greatly appreciated.

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  • StephenB's avatar
    StephenB
    Guru - Experienced User
    handy wrote:
    My questions are, is there a method for setting up the ReadyNAS Duo v.1. to be the LAN time server? If so how?

    If the unfortunate situation is that it is not possible, then the next question is how do you get the Duo to run a time sync daemon & accept one of the other machines as the time server?
    The Duo v1 lets you configure its time server (click in system in frontview, then clock).

    There is also an old add-on for the v1 here: viewtopic.php?f=47&t=33964&p=187161&hilit=time+server#p187161 I am not sure if it still functions properly.
  • StephenB wrote:
    handy wrote:
    My questions are, is there a method for setting up the ReadyNAS Duo v.1. to be the LAN time server? If so how?

    If the unfortunate situation is that it is not possible, then the next question is how do you get the Duo to run a time sync daemon & accept one of the other machines as the time server?
    The Duo v1 lets you configure its time server (click in system in frontview, then clock).

    There is also an old add-on for the v1 here: viewtopic.php?f=47&t=33964&p=187161&hilit=time+server#p187161 I am not sure if it still functions properly.


    Thanks StephenB, your post was very helpful.

    The frontview system/clock was set up correctly already (good luck I guess, I'd forgotten all about it). The link to WhoCares? , post was particularly helpful, as it is his add-on that I have installed. Just those few words on his post should be (those famous words) all that I need to know.

    I'll post back one way or another in the future.

    Thanks again.
  • Well I think that WhoCares? NTP-server add-on is working fine on my Duo v.1.

    I've only set up a Manjaro Linux (based on Arch) box to use it thus far, following is the output from the recently booted Manjaro using this alias in ~/.bashrc :

    alias time="timedatectl status && ntpq -c lpeer"



    [handy@jarmano ~]$ time
    Local time: Wed, 2012-11-14 14:40:48 EST
    Universal time: Wed, 2012-11-14 03:40:48 UTC
    RTC time: Wed, 2012-11-14 03:40:48
    Timezone: Australia/Sydney
    NTP enabled: yes
    NTP synchronized: yes
    RTC in local TZ: no
    remote refid st t when poll reach
    =====================================================
    *192.168.1.15 203.170.87.4 3 u 3 64 377

    delay offset jitter
    ========================
    0.205 45.678 33.251


    Note: I've edited the output above, as it exceeded the character number limitations placed on the length of lines by this forum software, hopefully it doesn't turn into an illegible mess when viewed with different screen resolution/font sizes.

    I dual boot Linux/Win7, which has been a pain in the neck, as the registry tweeks to get Win7 to use UTC, don't work on my machine. I don't have any need for the Win7 box to talk to the Duo, BUT, every time I do boot into Win7, it messes up the RTC time, due to its not knowing how to handle daylight saving, which was of course carried through to the prime system on that machine - Linux or PC-BSD.

    At last I found an excellent solution:- I've installed NTP on Win7, following this superb how-to:

    http://www.satsignal.eu/ntp/setup.html

    I expect that someone is going to be happy to have found that solution.

    [edit:] I almost forgot <doh!> the prime reason for my running down this local NTP-server path was to see if having the Duo & my Linux box's time in sync would get around the ~60 second delay the Linux box is having during boot. It has no effect, on that problem (for me) I'm sorry to say.

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