NAS540 "Battery power exhaused" & "initiated Shutdown Sequence" errors not 'critical' category?

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dougND
dougND Posts: 5
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in Personal Cloud Storage
Is power loss and shutting down not critical events?
Title says it all, why are only critical errors allowed to send email alerts, and why aren't the power related errors in the critical category if only that category is allowed to trigger emails? (Using latest firmware. Email daily reports working fine send&receive.)

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  • ikubuf
    ikubuf Posts: 134  Ally Member
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    edited March 2022
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    I do not consider a NAS can write down the log when there is a black out.
    The NAS should always stays in a stable and steady power supply environment and network environment.
    If it is needed to prevent the unexpected power surge or blackout, I think you need a UPS to make the power supply stable.
  • dougND
    dougND Posts: 5
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    ikubuf said:
    I do not consider a NAS can write down the log when there is a black out.
    The NAS should always stays in a stable and steady power supply environment and network environment.
    If it is needed to prevent the unexpected power surge or blackout, I think you need a UPS to make the power supply stable.

    I don't think you understood my post, these are in fact errors subsequent to communications with a UPS over USB. "Battery power exhausted" is from the UPS. It's an error the NAS logs as category 'notice' instead of 'critical'. Due to that, there will be no email notification of this VERY SERIOUS state/condition.
  • ikubuf
    ikubuf Posts: 134  Ally Member
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    Are you in the latest firmware?
    Do you mean the severity( of the log is "notice" instead of "alert", so when there is notice of "Battery power exhausted"log from UPS, it will not send the email?
  • Mijzelf
    Mijzelf Posts: 2,605  Guru Member
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    Why would a power client alert you that the power server told him to shutdown? It's more the responsibility of the server, don't you think?
    And from technical view there are also problems. Initiating a mail delivery while you are told to shutdown will delay that shutdown. Not much, but maybe too much. Further, when the grid power is down, in most cases it will not possible to send an email, because the switch/modem/... will be down.
  • dougND
    dougND Posts: 5
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    edited May 2022
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    ikubuf said:
    Are you in the latest firmware?
    Do you mean the severity( of the log is "notice" instead of "alert", so when there is notice of "Battery power exhausted"log from UPS, it will not send the email?

    yes, latest firmware and yes, the log severity of these events is notice versus higher like alert or critical.
  • dougND
    dougND Posts: 5
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    Mijzelf said:
    Why would a power client alert you that the power server told him to shutdown? It's more the responsibility of the server, don't you think?
    And from technical view there are also problems. Initiating a mail delivery while you are told to shutdown will delay that shutdown. Not much, but maybe too much. Further, when the grid power is down, in most cases it will not possible to send an email, because the switch/modem/... will be down.
    It's not so much a question of what device's responsibility it SHOULD be to be logging and relaying errors as always it depends on the customer's network. Critical error notification emails are a feature here so the customer is trying to utilize them, that's all. To be specific, this isn't a case with a power server at all; there is no software centrally running like powerchute from APC if that's what you assumed. The UPS doesn't have network access as the NAS does, the UPS messages are from directly connected USB. Regarding the mail send delaying shutdown you mention; it's inconsequential and the UPS should always be giving a warning over USB to the NAS with enough time for the NAS to shutdown gracefully; if email fails to send because site network equipment or the whole block's power is out (with off site ISP equipment) those are separate problems for the customer to address.
  • venik
    venik Posts: 2
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    edited April 2
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    Hi I had the same necessity with NSA325.
    In my case UPS is managed by apcupsd that is fully customizable in terms of alert events.

    Here you have to change custom scripts under
    /etc/apcupsd/onbattery

    /etc/apcupsd/offbattery

    The log are created with the following line:
    zylogger -s 18 -p 5 -f 18

    To change the priority to alert from notice you just have to change such lines with
    zylogger -s 18 -p 1 -f 18

    The tricky part is that my NSA325 replace to default all files under etc folder.
    So I had to create a cron job that at every reboots replace such lines


    @reboot sed -i 's/zylogger -s 18 -p 5 -f 18 "\$HOSTNAME Power Failure !!!"/zylogger -s 18 -p 1 -f 18 "\$HOSTNAME Power Failure !!!"/' /etc/apcupsd/onbattery

    @reboot sed -i 's/zylogger -s 18 -p 5 -f 18 "\$HOSTNAME Power has returned"/zylogger -s 18 -p 1 -f 18 "\$HOSTNAME Power has returned"/' /etc/apcupsd/offbattery

    Changing priority to alert will result you to be notified via email about power failure.
    I hope it can help you…

  • venik
    venik Posts: 2
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    just 2 years later last message :)

  • dougND
    dougND Posts: 5
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    https://community.zyxel.com/en/discussion/comment/64042#Comment_64042

    Still appreciated! I'm coincidentally working on ours just recently for some custom python scripts and will see if i can fit this in. We tried swapping out for a newer Legrande UPS awhile ago but it wouldn't work with this NAS540 at all so we're back on APC as well.

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