Questions tagged [apc]
APC by Schneider Electric, formerly American Power Conversion, is a maker of electrical hardware, focused on, and best known for their uninterruptible power supply (UPS) product lines.
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APC change to smart slot / card interface
I bought a new APC SMT1000C 1000VA UPS, which has the smart card interface on the back. I was planning to reuse my old AP9606 network card, but I discovered that APC has modified the slot to block ...
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replace APC smart signaling cable with RJ-45 to RJ-45
Is it possible to replace the APC Smart Signaling Cable PN: 940-1525A with an RJ-45 to RJ-45 cable?
The cable is built as an RJ-50 to DB9, but I need to connect it to a console server that only uses ...
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NUT shuts down UPS even when power is available
I have an APC Backup UPS ES 850G2, connected via USB to a RaspberryPi acting as NUT master. The Pi uses the usbhid-ups driver. Several other devices are NUT slaves and poll the Pi for UPS info.
Here's ...
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PowerChute appliance 4.4.1 for ESXi issues 302 redirect to localhost after login
I've been using PowerChute 4.3 network appliance on my ESXi host for a while now. I followed the instructions to download and install the appliance update to 4.4.1 this morning using the official tar....
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Switching APC rack PDU via SNMP
How can I switch the outlets of an APC Rack PDU (AP7920) via SNMP (Linux SNMP command tools like snmpget/snmpset) ?
I can't find anything about it.
I was able to walk it via:
snmpwalk -v3 -a MD5 -A ...
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snmpwalk: Decryption error for APC Rack PDU
I have an APC Rack PDU (AP7920) and have configured:
[x] Enable SNMPv3 access
Username: switch
Authentication Passphrase: test
Privacy Passphrase: test
Authentication Protocol: (o) MD5
Privacy ...
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How to upgrade APC Rack PDU?
I have an APC Rack PDU AP7920 (hardware revision B2, manufactured 07/21/2012). When I log in via telnet I get:
American Power Conversion Network Management Card AOS v3.3.4 ...
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APC SmartUPS suddenly all lights flashing. What's going on?
upsfault: I have a APC SmartUPS 2U 1500 somewhere in a rack far away. Batteries were replaced recently and UPS was working without issues for a long time.
Suddenly yesterday, the entire equipment ...
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Shutdown Multiple Servers From One APC USB Port - Power loss event
I've got one Ubuntu box and a Synology NAS. Both are connected to the APC UPS, but only one USB, which is connected to the Ubuntu box.
How, specifically, can I get both machines to shut down from a ...
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APC Smart-UPS 3000 turning off but passing own test
I have APC Smart-UPS 3000 at home which I got hand and apparently when the power goes down it just shuts down instead of switching to backup.
Based on how it behaves I have reasons to believe is not ...
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APC Smart-UPS turning off by itself?
I have an APC Smart-UPS 3000.
Last Sunday, it turned off by itself. Noone was in the office and noone was logged in at the time it happened.
What could cause this ? I'm concerned it may happen again....
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APC UPS Powerchute | "The installer is unable to locate an APC battery"
Under Windows 10, I connected an APC UPS via USB. In case of a power failure, the servers are shut down by a script.
Installing the APC Powerchute I get the error message The installer is unable to ...
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APC PDU has wrong idea of its outlets
I have a APC rack PDU here. It should be AP7953, although that doesn't show in the telnet interface:
About System
Model Number :
Serial Number :
NMC Serial Number :
Manufacture Date : ~
...
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php performance issues between two servers
I know this question might be too broad but I'm desperate.
Prenote: Here I'm testing php with CLI but same difference occurs with Apache+PHP too. But to avoid Apache caching and other stuff I used ...
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APC UPS replace battery illuminates [closed]
I have an APC SmartUPS 1000 for my servers.
It was good for over 2 years, its capacity is always 5/5. One day I saw a red light illuminated. I searched for the reference it is either "Replace" ...
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apcupsd commok event fires where there was no commfailure
I have an openSUSE Tumbleweed host connected by USB to an APC Back-UPS NS1080G. For the most part everything works fine and apcupsd keeps track of the status. But lately every few weeks it fires the ...
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ACPu cache with a cron job
My sites homepage first time access load time is between 5-8 seconds.
Once I'm on my website all pages load fast. And if I access the homepage directly again it will load instantly.
I set up a ...
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APC or Memcached - Nginx php-fpm wordpress
I am using a wordpress installation on
Ubuntu 16
Nginx
Php-fpm (latest version)
I intend to use W3 total cache for caching purposes and was wondering whether I should be going for Memcached or APC ...
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What is the difference between the "Write" and "Write+" modes on an APC SNMP card?
I'm configuring a UPS to be controllable via SNMP and have come across to options:
Write mode
Write+ mode
I've tested both settings and only Write+ works for me so it's what I'll have to use. I'm ...
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APC Smart-UPS 750 self test stays at 100%
I have a previously reliable APC Smart-UPS 750 that recently went into "REPLACEBATT" status. I obediently bought a new battery and fitted it. As per procedure I then shut down the APC daemon (CentOS 6)...
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Power consumption PDU
As you can see in the image below, I can't get the consumption.
Even if I send the log via FTP there's no info about the consumption.
I already checked on APC PDU website and co and i didn't found ...
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APC Smart UPS serial connection on Windows Server 2012 R2
I have an APC UPS 620 and a Windows Server 2012 R2 (non virtual) server. The server and the UPS are connected with genuine APC serial signaling cable.
Without installing any software the APC is not ...
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APC SMX3000 Smart-UPS Battery has never been cycled. Is it still good?
I've recently inherited an APC SMX3000 Smart-UPS. The UPS has never been used. Is the battery still good?
The battery is plugged in, but the UPS reports "No Batteries".
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How to verify if a Windows Server shutdown was complete on server hardware before UPS killed power?
Our Windows Server 2012 R2 machine just got its own UPS (APC Back-UPS RS 550G). I'm using the Windows release of apcupsd and since I would prefer if the UPS would turn off after shutdown I also added ...
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Logrotation performance
One question about logrotation on a dedicated webserver (64gb RAM) with apache and mysql. In high load hours (2k users online every moment) we are experiencing a strange behaviour.
As an example, at ...
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How to auto clear APC cache after publishing posts on Wordpress?
I'm currently using APC cache module on my PHP installation . The problem is that whenever I publish a new post , Users must use Ctrl + f5 to see new posts . Is there any way to purge APC cache ...
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Can APC and OpCache co-exist in PHP5.4
We are generally running php 5.4.x with APC enabled on CENTOS for our production sites. We have a new app that is segfaulting and the development team thinks it is because we've got APC. The app is ...
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APC UPS -> Windows SNMP
We have an APC UPS. I want a Windows 2012 R2 server to shutdown on a power breakdown (and the remaining power lasts for e.g. 15 minutes). Therefore the UPS should send a message to all servers via ...
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Get PHP extension APC not running on Ubuntu 14.04.3 - undefined symbol: php_pcre_exec
I installed the PHP extension APC on the server but I get it not running. It gets not listed in phpinfo(). After activating the php error log I get the following error:
PHP Startup: Unable to load ...
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APC Smart-UPS 5000VA maximum time
I planning to put a server on this ups (Europe, 230V):
http://www.apc.com/resource/include/techspec_index.cfm?base_sku=SUA5000RMI5U&ISOCountryCode=gb
My server has a relatively new energy saving ...
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E: Unable to locate package php5-apcu
trying to install APCu on Ubuntu:
apt-get install php5-apcu
Getting an error:
E: Unable to locate package php5-apcu
Following someone's suggestion I added:
deb http://packages.dotdeb.org wheezy-...
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AP8941 PDU frozen, how to reset management interface?
I have a frozen AP8941 PDU. It still produces power to its outlets, but I can't serial in, ethernet in and even the LCD is frozen.
How do I reset it without losing power on the outlets? (I prefer a ...
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What caused apache to crash?
I have a high load server using php/apache/APC working fine for months. In the last 2 days it has crashed midday. if I restart apache it works so the problem is probably in the apache/php/apc stack.
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Nut says APC UPS is on battery. It is not
Since 2 days my Smart-UPS 1500 RM reports it is on battery but this is clearly not the case since it's been running for more than two days indicating 100% battery with 01:30:00 running time. Batteries ...
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APC Extension unable to load dynamic library /usr/lib/php5/20090626/apcu.so
I have installed using this Tutorial https://www.23systems.net/2009/07/installing-alterative-php-cache-apc-with-plesk-on-ubuntu/ and all is running fine. Even APC is caching everything and apc.php ...
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*** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x068977f0 ***
Completely fresh install of CentOS and I've installed PHP, MySQL and Apache with all modules, when I first tried to run the service the following message is in the error_log followed by a memory map.
...
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apache refuses to start when apc.shm_size is greater than 76M
I'm just setting up a new faster server for our Drupal site and was setting up APC and tried to set the apc.shm_size up to 128M however after restarting apache and reloading the APC Admin page Apache ...
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APC Switched PDU: group outlets on different PDU's
We have newer gen 2 switched PDU's and I noticed that they have an ability to daisy chain the PDU's. I can see that dasily chaning allows us to have a central access point for the PDU's which is nice....
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APC not working after centos and php upgrade
I had centos 6.5 on my server. I upgraded to centos 7.
With this upgrade I have php 5.4 instead of php 5.3.
All works fine except APC and xhprof extension.
Here is the error I am having when I try ...
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Is it possible to disassemble an APC Netshelter SX enclosure?
I need to move an APC Netshelter SX 48U from one room to another, but the new room is lower than the current one and I cannot install it without disassembling it.
According to APC, these enclosures ...
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apcupsd vs NUT in Proxmox environment
I have a Proxmox node which is actually is HP Proliant DL 320e G8 server + APC SmartUPS 750 connected directly to the server by usb cable. On the host are running several Linux VMs. My question is - ...
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APC Power Controllers Inaccessible After Brief Power Loss
It seems like every time there is a brief power outage in our environment (1-2 second blip). There are generally a handful of APC power controllers that become inaccessible through network. The ...
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Two APC Symmetra LX 16kVA into one common output?
We have 2x APC symmetra LX 16kVA units running at the moment and have read (in Eaton's documentation) that their UPSs can have a common synchronised output (based on input phase or set phase with a ...
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It is possible to visualize the load of an APC switched PDU for a specified period of time?
There are some APC PDUs AP7953 and now we think about a solution for check the load over a period. We don't need a 100% correct Value only a trend on which hours we have more load to localize peeks in ...
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Is APC's smart-signaling cable (940-0024) really proprietary?
First, not sure if this question belongs here or SU, so please advice accordingly before wildly down-voting or blasting me.
We have a UPS unit for which we recently configured to work on our network. ...
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Is there some software available to centrally manage APC IP enabled PDUs? [closed]
I am not looking for a recommendation of which one to use, just an answer as the whether anything to do this exists. We have a few dozen AP7921 & similar units that until now we have managed on ...
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Getting APCUPSD working with PowerChute (pcnet)
After configuring apcupsd and starting the service the service eventually times out and reports Warning communications lost with UPS.
The ups is configured with the IP of the client and the client is ...
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HP Proliant ML350 G6 UPS
We're trying to select the best UPS within our budget.
Our goal is to allow 2 x HP Proliant ML350 G6 servers time enough to shutdown. We're estimating this to be no more than 10 minutes.
Can anyone ...
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How to detect APC UPS battery usage and run a script when on battery
I have a couple APC UPS -
Smart-UPS RT 6000 RM XL
Smart-UPS RT 5000 RM XL
Unfortunately the power in my office likes to go out (out of my control) and hence the equipment powered by these UPS shuts ...
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PDU management interface has low availability - product flaw or isolated issue
Our colocation provider has supplied us with APC AP7932 switched 0U PDUs as part of several cabinets they provide us. We have had a lot of trouble with the network management aspect of these PDUs, ...
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