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PowerChute Network Shutdown 対応対対応応対応 OS 表表表表 PowerChute Network Shutdown Specialized OS v4.1 ※4 AIXのVIOS、LPAR環境(仮想環境)は未コホヺテとなります。注注注注 ※英語OSの場合、ブラフ画面が文字化けしますので、必要に応じて日本語ビェヱテを入れてください. System designer and analyst. なお、PowerChute Network Shutdown for Windows & Linux v4.3 は仮想マシンにはインストールできません。 Hyper-V環境、VMware環境、Nutanix環境の電源管理には、必ず本製品をご使用ください。.

If you've purchased a UPS and have noticed an 'outlet group' option and are wondering just what the hell it is then read on. If your UPS has outlet groups it means it manages the power to them independently. If you look at the back of your UPS, you should see a label that reads 'group 1' or something similar above 4 of the power sockets. Within the UPS interface you will see 'Main group' and 'group1' which you can shutdown, turn on and restart independently of each other.

One thing to note is that when setting the 'Power Off Delays' for the outlet groups, these are staggered.

Example

You have servers set up with the Powerchute Network Shutdown (PCNS) client. The servers need 6 - 7 minutes to shutdown so you want the UPS to stay on for 10 minutes after initiating the shutdown. You set the Power off Delay for both outlet groups to 10 minutes, the UPS won't turn off for 20 minutes as first it will do 10 minutes for the switched outlet group, then 10 minutes for the main outlet group.

This to me makes no sense. The logical thing for APC to do would be to set the Power off Delays to count down at the same time. Then if the user wants one to remain on for longer, simply increase the power off delay accordingly. Unfortunately this isn't the case.

Work Around

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A potential work around is to assign all PCNS clients to the switched outlet group regardless of whether they're attached or not. Set the power off delay to what you need for all servers on the switched outlet group and set the power off delay for the main group to 0. The UPS should then do the following.

Countdown Power off Delay for switched = 10 minutes

Countdown Power off Delay for main = 0 (UPS shuts off after 10 minutes).

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More things to note

By default, the Power off Delay is 0 seconds if no PCNS clients are associated.
By default, the Power off Delay is 190 seconds if any PCNS clients are associated
The Power off Delay is affected by 2 factors

The largest cmd file runtime under ‘Configure Shutdown’ in PCNS IF it is greater than 120 seconds
The Low Battery DurationIF ‘Force Negotiation’ is applied AND the Low Battery Duration is greater than the Power off Delay

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Switched OutletGroup (For PCNS clients associated)

By default, the Power off Delay is 0 seconds if no PCNS clients are associated
By default, the Power off Delay is 70 seconds if any PCNS clients are associated
The Power off Delay is affected by 2 factors

The largest cmd file runtime under ‘Configure Shutdown’ – Unlike the MOG, even if the runtime value is less than 120 seconds, it is still applied to the Power off Delay.
The Low Battery DurationIF ‘Force Negotiation’ is applied AND the Low Battery Duration is greater than the Power off Delay.

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SOG and MOG

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Power off Delay is not affected by the Shutdown on Battery Event
Power off does not auto calculate if the new value is less than the current value
Power off Delay is not affected by the CMD file run in ‘Configure Events’