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0
votes
2answers
51 views

HP Proliant Standby

I'm working on coordinating a rack with 1 HP Proliant DL580 G5 and 2 Proliant DL380 G4's. Is it possible to induce either of these units into something like a standby mode? I've perused the manuals ...
8
votes
3answers
453 views

Power Cables Required to Switch from 120v to 240v for Dell Poweredge Servers

We have a cabinet of servers and other hardware (switches, firewalls, etc) that all are currently running on 120v. I've confirmed that the power supply for all of our devices support both 120v and ...
2
votes
2answers
117 views

Automatic power on after graceful shutdown on UPS

This is my basic setup: I run a server (DL380 G7; linux 3.13 kernel) that is host to ~10 virtual machines It is set for automatic power on I use NUT for UPS management Graceful shutdown duration of ...
2
votes
0answers
65 views

NetApp filer uses more amps when one power supply is turned off

We have two old NetApp FAS3050 filers at our colo. We also have an upcoming maintenance window that will take our circuits offline for an extended period of time. Our circuits are pretty much maxed ...
-1
votes
3answers
80 views

What will be the ill effects of turning off and on server daily

I have IBM server x 3850 M2 with remote system adapter. It has 128GB RAM and 4 SAS drives Its basically for my home labs , developmenet and testing I think that if i make it on 24 x 7 then i will ...
5
votes
1answer
98 views

Using more than 80% power on a circuit in a disaster scenario

We currently have two cabinets of equipment at our datacenter, and each cabinet is served by two 30A circuits. The facility is relatively new, and each circuit is (supposedly) redundant at the source. ...
0
votes
1answer
117 views

APC PowerChute management

I have 3 server with their Smart-UPS connected by USB cable. I downloaded PowerChute B.E. to manage ups. If I well understand PowerChute usage, I have to install an agent for each server and on unique ...
2
votes
0answers
519 views

Command-line CPU frequency scaling?

How to configure Ubuntu 12.04 Server to dynamically adjust CPU frequency during quiet times? I've found a set of instructions at http://ubuntuforums.org/showthread.php?t=944190, suggesting to add ...
0
votes
0answers
67 views

hdparm: Hard drive spin down logs

I've been using hdparm successfully to spin down hard drives on some systems, however I'm curious, is there anyway I can make hdparm generate some kind of spin down log, so I can further optimize the ...
2
votes
1answer
129 views

Resume from suspend/hibernation on LAN activity

I have Debian Wheezy 7.2 running on a HP Thin Client. This little box acts as a file server and is only used from time to time, so I don't want it to run 24/7 but it has to be available when it's ...
0
votes
0answers
155 views

Can't power on remote Poweredge 1950 using DRAC 5

There was an issue with a build server this morning, so I decided to log in using the vSphere client to view the console, but no response. As it turned out, the server had simple turned itself off ...
1
vote
0answers
365 views

apcupsd not working properly on centos 5

I have APC UPS and my servers are directly connected to it using power cable. I want to use network link to shutdown servers when ups goes on batter. the following is my config file. ## apcupsd.conf ...
0
votes
1answer
180 views

Windows server's HDD Spin down daily/nightly - Does it makes sense?

A Windows Server 2003 R2 has the following hard disk configuration: - 3 internal hard disks attached to a 3Ware unit, configured in Raid 1 + spare unit - 3 external USB backup disks: 2 Verbatim 1TB ...
9
votes
4answers
362 views

Maxing out both PDUs in a rack with redundant power

If I have a rack full of servers using redundant power supplies, and I'm keeping the amps at 80% (16A of 20A), isn't this still asking for trouble in the event of a power loss on one of the circuits? ...
1
vote
0answers
202 views

Error in AIX : 0516-040 : Unable to read the specified physical volume

Please provide me your valuable suggestions on the error beow in AIX. When I'm running the following command on the AIX server lsvg -l rootvg I'm getting this error: 0516-040 : Unable to read the ...
5
votes
1answer
76 views

Power Control Compartment?

I recently purchased an IBM enclosed, rolling rack that had a 6 drive server, huge battery backup, and this strange item called a "Power Control Compartment" I cannot find any good documentation ...
4
votes
1answer
4k views

How to enable hibernation on Windows Server 2012 with Hyper-V role? [duplicate]

I have Windows Server 2012 installed on a laptop. I need a server because I develop software that I need to test specifically on a server edition. Documentation for Windows Server 2012 says Sleep ...
2
votes
1answer
73 views

Does exist any IP-KVM that connects to motherboards pinheads with powerbutton, reset, etc.? [closed]

Exists couple of "servers" based on usual consumers motherboard, without any remote capabilities. Is there any kvm with modules, that connects to pin header of motherboard, where powerbutton, reset ...
1
vote
2answers
391 views

Do power settings matter for Hyper-V instances?

Do power settings in the actual VMs affect performance of the virtual machines?
1
vote
4answers
488 views

FATAL: Error inserting acpi_cpufreq

Trying to see how to force CPU to run at higher freq on a HP ProLiant system with SLES 11 SP2. /# modprobe -vv acpi-cpufreq insmod ...
1
vote
2answers
180 views

Server 2008 R2 - Allow UPS to wake computer?

I have a single Windows Server 2008 R2 box that's on a generic Geek Squad battery backup. (That purchase was not my choice.) It shuts down fine when the battery hits a critical level, but I can't seem ...
0
votes
1answer
4k views

What is the difference between init 6 and reboot on Red Hat / RHEL / CentOS?

In Linux, the init 6 command gracefully reboots the system running all the K* shutdown scripts first, before rebooting. The reboot command does a very quick reboot. It doesn’t execute any ...
1
vote
1answer
345 views

Backup Power System for a Small Office: UPS, ATS, Generator etc

I'm trying to put together a backup power system for our office and I need some guidance. We frequently lose power for several hours at a time. I'm looking for a solution which would: Control ...
0
votes
1answer
10 views

Matching time to system event

I have a file server running Ubuntu 12. I have recently installed noflushd to spin-down unused hard drives in an effort to extend their life. I am noticing that every morning at the same time ...
0
votes
1answer
246 views

Understanding CPU Throttle

kernel /vmlinuz-2.6.32-379.22.1.lve1.2.17.el6.x86_64 ro root=UUID=7cb0b445-0f63-4ef1-ab73-93c114d8ef6c rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ...
-2
votes
2answers
84 views

Running long time off a battery [closed]

I don't know if this question is suitable for ServerFault, but here it's anyway. I brought what's called power-inverter connected it to a battery charger to test how many amps my computer uses, so I ...
2
votes
5answers
214 views

VOIP Power outage strategy

In the past 2 years, we have had 4 instances where we have been without power for a period of 4-6 hours - due to construction crews cutting power lines, car accidents involving downed power lines, ...
1
vote
1answer
70 views

Using an “AV” power conditioner with servers

We have render servers that don't need to be on battery backup but we'd like to protect from power surges and being under-powered. I came across this power conditioner which will block surges and ...
1
vote
2answers
101 views

Redundant Power System integration

We currently have a stack of catalyst 3750's at the core of our network. We just purchased two new 3750's to split off our VMs and SAN onto their own switches and away from the stack. These two new ...
0
votes
1answer
491 views

IBM IMM2: Which level to control power and have remote terminal access

We're looking to purchase an entry level System X server, specifically the x3100 M4. What I've been unable to figure out is what the lowest level of IMM2 we need is in order to remote the system ...
1
vote
2answers
2k views

Does ESXi server power down hard drives when no disk activity is detected?

Does ESXi server power down physical hard disks in ESXi server when no disk activity is detected? Or, when very little disk activity is happening it might get cached instead of spinning up the hard ...
2
votes
1answer
342 views

LSI RAID-on-chip with RAID6 over two SAS links goes red when HDD enclosure is powered cycled; how to recover?

I have a RAID6 array managed by LSI 9286-8e card. I also have Sans Digital 24-bay NexentaSTOR JBOD enclosure with SAS extender built-in. They are connected to separate UPS devices. Normally, I'd ...
-2
votes
1answer
349 views

linux “hdparm -B” what is a good power management value? [closed]

I run a home server with Linux (ubuntu). Data (not the os, not swap, not /home) is stored on a large software RAID5 array. The server is on 24/7, but to reduce noise I would like the raid drives to ...
3
votes
4answers
560 views

Best way to execute a command after Linux system halt

Problem: The SSDs in our servers require a power cycle (i.e. off/on, not reset/warm reboot) after a firmware update. Thoughts: Using 'ipmitool chassis power cycle' I can cycle the server's power. ...
0
votes
2answers
166 views

What are the ramifications of R720 Power Capping?

According to Dell's documentation (PDF) administrators can cap the new R720's at a certain Wattage. What are the ramifications of doing this? Will the server power off once it hits the cap? Is there a ...
-1
votes
2answers
73 views

What are some SMART Criteria I can use when comparing “green” datacenters? [closed]

I'm looking to reduce my carbon footprint and want to find a "green" datacenter. There are so many ways to define a "green datacenter' I'm looking for examples of SMART Criteria such as 20% of ...
1
vote
2answers
9k views

How to enable sleep/standby on Windows Server 2012 Hyper V

I know it's possible because sleep works in HyperV under Windows 8. edit: I know this is probably not "supported".
2
votes
2answers
633 views

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 ...
41
votes
3answers
1k views

Assessing equipment damage following a lightning strike - Should I have planned more?

One of my client's sites received a direct lightning hit last week (coincidentally on Friday the 13th!). I was remote to the site, but working with someone onsite, I discovered a strange pattern of ...
0
votes
1answer
789 views

Cant access Dell BMC IPMI Over IP

I have Dell R210 with iDRAC BMC (new name for old BMC). Which is on-board feature with shared NIC (I believe). Server is on colocation and I didnt set it up before sent there... So I asked for the ...
1
vote
5answers
8k views

How to find out if my Dell R210 server has iDRAC with shared network connection or dedicated?

My server is Dell R210 and it is colocated. I need to find out whether the iDRAC BMC on this particular box has dedicated ethernet connector or is it shared. Also - do I always need separate IP ...
1
vote
3answers
4k views

How IPMI works on Dell R210 server?

I have Dell R210 1U server (W2008R2 Enterprise).The box is currently in another country on colocation. I am thinking of moving it to another colocation. I was told that if my box supports IPMI I ...
0
votes
1answer
98 views

Metered-By-Outlet-Monitoring PDU [closed]

I see APC offers Metered-By-Outlet PDUs, however they only offer 30A - 32A 208V PDUs. (URL: http://www.apc.com/products/family/?id=478) We are looking for a 16A 120V PDU that offers power usage ...
0
votes
2answers
206 views

Cutting power to linux box. prevent filesystem checking on reboot (and hopefully damage!)

I have a small linux box with a dedicated task of reading sensor data and comparing values against a read only (ie i won't write stuff to it, but haven't done anything to make it actually readonly) ...
1
vote
1answer
732 views

ESXi hard drive power saving [closed]

I currently have a Windows Server running beneath my desk and was considering replacing it with a ESXi layer to run both a Windows and Unix virtual machine. The ESXi is going to give me some nice ...
2
votes
4answers
3k views

HP ProLiant ML110 G7 Questions

Have an HP ProLiant ML110 G7 running Server 2008 R2. Question #1: This server takes FOREVER to boot. I think it's because of "HP Power and Thermal Calibration" it does at the beginning of every ...
-1
votes
2answers
96 views

What is the best way to save energy use in companies? [closed]

i work in a little (biotech) start-up company and noticed that the client pc's are mostly in stand-by mode (user-logged off) during the weekend, where nobody is actually there. So what is the most ...
7
votes
2answers
383 views

Green-IT: How do you deal with poweroff systems in your system monitoring?

Many of you probably have completed or are contemplating Green-IT projects with the goal to power off idle or unneeded systems when demand for computer resources is low: How you did handle this ...
6
votes
3answers
1k views

Open source DCIM stack?

Our 500-server data center is growing quickly and my manager has started investigating using a specialized Data Center Infrastructure Management (DCIM) package to help manage constraints. DCIM ...
0
votes
2answers
242 views

When buying a rack-mount server and renting space, what's more important? [closed]

If I'm buying a server, if I consider the price/performance ratio for buying more rack space, or buying more powerful servers, which is more inexpensive? Getting the most powerful box and saving a ...