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What is redundancy - Computers & Internet

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Less/er powerloss or Connection issues

Posted on Aug 18, 2014

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We receive 43 redundancy failed hardware failure and second controller seem to be in idle stat please suggest what is actual problem


Here is explanation from HP manual how to fix that problem:

43 Redundancy Failed Hardware Failure
Type: Error
Description: While either attempting to enter redundant mode or already
operating in redundant mode, one of the controllers encountered a hardware
failure on the communication channel between the two controllers. Redundancy
is disabled at this time.
Action:
If the storage system is currently involved in host I/O:
1. Remove the standby controller.
2. Wait 10 seconds.
3. Reinstall the controller, and be sure that it seats fully in the chassis.
If this action does not solve the problem, wait until downtime is available and do
the following:
1. Power down the storage system (on page 28).
2. Remove both controllers.
3. Reinstall both controllers, and be sure that they seat fully in the chassis.
If this action does not solve the problem, contact HP support.

Sep 11, 2013 | HP MSA 500 G2 High Availability Kit...

1 Answer

Cyclic redundancy check


A cyclic redundancy check error on a hard disk means that part of a file read from the hard disk doesn't match the expected value.
A cyclic redundancy check error, in other words, means that files on your hard drive are corrupted.
Repair a cyclic redundancy check error on a hard disk using the Check Disk tool in Windows.

Click "Start" and click "Computer."
Right-click the hard disk with the cyclic redundancy check error under "Hard Disk Drives" and click "Properties."
Click the "Tools" tab at the top of the hard disk "Properties" window.
Click "Check Now" under "Error Checking."
Select "Automatically Fix File System Errors" and "Scan for and Attempt Recovery of Bad Sectors" in the "Check Disk" window by clicking each option if it isn't already selected.
Start a disk check and repair by clicking "Start" in the "Check Disk" window.
Click "Yes" if the "Do you want to schedule the disk check to occur the next time you restart the computer?" prompt appears.
A disk can't be checked if it's in use, so you'll need to restart Windows to check it.
Restart your computer by clicking "Start," clicking the arrow icon to the right of "Shut Down" and clicking "Restart."
(External drives will not schedule to happen on restart it will happen straight away.)

Sep 09, 2013 | Verbatim 500GB USB Desktop 500 GB Hard...

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Cyclic redundancy error


A cyclic redundancy check error on a hard disk means that part of a file read from the hard disk doesn't match the expected value.
A cyclic redundancy check error, in other words, means that files on your hard drive are corrupted.
Repair a cyclic redundancy check error on a hard disk using the Check Disk tool in Windows.

Click "Start" and click "Computer."
Right-click the hard disk with the cyclic redundancy check error under "Hard Disk Drives" and click "Properties."
Click the "Tools" tab at the top of the hard disk "Properties" window.
Click "Check Now" under "Error Checking."
Select "Automatically Fix File System Errors" and "Scan for and Attempt Recovery of Bad Sectors" in the "Check Disk" window by clicking each option if it isn't already selected.
Start a disk check and repair by clicking "Start" in the "Check Disk" window.
Click "Yes" if the "Do you want to schedule the disk check to occur the next time you restart the computer?" prompt appears.
A disk can't be checked if it's in use, so you'll need to restart Windows to check it.
Restart your computer by clicking "Start," clicking the arrow icon to the right of "Shut Down" and clicking "Restart."
(External drives will not schedule to happen on restart it will happen straight away.)

Sep 09, 2013 | Verbatim 500GB USB Desktop 500 GB Hard...

2 Answers

Cyclic redundancy error when copying backed up files into Itunes


Files with cyclic redundancy errors means these files are corrupted and cannot be copied. Since you cannot copy these files from your faulty hard disk again then these songs are lost and you need to download them again.

Nov 27, 2012 | Apple iTunes

1 Answer

I I just bought the game today, and as i installed the game, it told me that the 2nd cd did not have the file called dragonfly.dll and it also says that I got a problem of a redundancy file check......


You can download the Dragonfly DLL from this Link
http://www.dll-files.com/dllindex/dll-files.shtml?dragonfly

AS far as the redundancy file goes Look at this in the link below

http://www.wikihow.com/Copy-a-File-and-Ignore-Cyclic-Redundancy-Check-Errors

Sep 17, 2011 | Computers & Internet

1 Answer

When i install,bluetooth setup in my desktop that time a information came like cyclic redundancy check problem.


Cyclic Redundancy Error comes when the source device like a computer calculates data and add the size of the information and sends it to the destination device. The destination device sees the size of the information and recalculate the size of the information and compare the two if they do not match the cyclic redundancy problem is reported because the information data has gone corrupt during the transit from the source to destination device. It can be a wrong configuration or packet collision. If it is due to packet collision the error can be over come by resending data multiple times.

Sep 11, 2010 | Computers & Internet

1 Answer

Redundant limit switch wires in my telladyne laar pool heater


some years ago factory suggested bypassing the redundant limit.dont worry theres two more limits in case things go south

May 30, 2009 | Pool & Spa

2 Answers

Unable to copy files from cd


Hi,
Please check with the another disk if the same issue is coming with different disks this is a ODD issue otherwise the disk is faulty as cyclic redundancy means the data could not red from the sector of the disk.
Thanks

Mar 01, 2009 | Computers & Internet

4 Answers

I need program source code for vertical redundancy check,longitudinal redundancy check,isochronous communication


#include<iostream.h>
#include<conio.h>

void main()
{
char bin[10],c;
clrscr();
cout<<"\n\n\n\nEnter 8 bit binary no.:";
cin>>bin;
cout<<endl;
for(int i=0;i<9;i++)
{
if(bin[i]=='1')
{
c++;

}


}
i++;

if(c%2==0)
{
bin[8]='0';
cout<<"Even";

}
else
{
bin[8]='1';
cout<<"Odd";
}
cout<<bin;
bin[9]='\0';
getch();
}

Feb 21, 2009 | Microsoft Windows XP Professional for PC

1 Answer

Fan flow error 1611 I/O


The ProLiant DL380 G3 server requires that both primary and redundant fans exist in a specific configuration in order to perform optimally. Any deviation from the specified configuration will cause one of the above error messages to occur and the internal Health LED to illuminate. In a ProLiant DL380 G3 server without the redundant fan option, the server will shut down after the error message is displayed. In a server with the redundant fan option, the internal Health LED will illuminate and the appropriate error message regarding fan redundancy will be displayed. The purpose of this document is to detail the required configuration for both primary and redundant fans.
DETAILS Both primary and redundant fans in the ProLiant DL380 G3 server must be configured to meet specific requirements in order to avoid the error messages above and in some instances, subsequent shutdown of the server.
All primary fan locations (2, 4, 5, 6 and 7) must be populated with a fan before the redundant fan locations (1, 3, or 8) are populated. If a primary fan location is left unpopulated, the server will display one or more of the error messages shown above. In addition, the internal Health LED (the top LED on the front panel of the server) will display the status of the fans.
When the redundant fan option is used, all redundant fan locations must be populated. ProLiant servers do not support partial population of redundant fans. If any redundant fan location is populated without also populating all other redundant fan locations in the server, the fan system will not be fully redundant and one or more of the error messages above will be displayed.
Figure 1 below illustrates a ProLiant DL380 G3 server configured with all eight fans installed for fan redundancy. The server airflow is divided into three zones: processor, I/O and power supply. Shared fans 4 and 7 each provide airflow for two zones. If a shared fan fails, the failure is experienced in both zones.
Figure 1: ProLiant DL380 G3 server configured with all eight fans installed for fan redundancy
The internal Health LED (the top LED on the front panel of the server) indicates failed or missing components. The internal Health LED should be observed to determine the status of the fans as follows:
RED LED: A red LED indicates that the minimum fan requirements have not been met. Minimum fan requirements indicate that all primary fan slots must be populated with functioning fans.
  • If the 1611 fan "x" is not present (where "x" is the fan location) error message is displayed at POST and the internal Health LED is red , then a primary fan is missing.

  • If the 1611 fan "x" failure (where "x" is the fan location) error message is displayed at POST and the internal Health LED is red , then a primary fan has failed.
AMBER LED: An amber LED indicates that the minimum fan requirements have been met; however, requirements for redundant fan configuration have not been met. This means that all primary fan slots are populated with functioning fans, but at least one redundant fan has either failed or is missing.
  • If the 1611 fan "x" is not present (where "x" is the fan location) error message is displayed at POST and the internal Health LED is amber , then a redundant fan is missing.

  • If the 1611 fan "x" failure (where "x" is the fan location) error message is displayed at POST and the internal Health LED is amber , then a redundant fan has failed.
Note: In a redundant fan configuration, the error message fan system not fully redundant will also be displayed at POST if any redundant fan slot is left unpopulated or if a redundant fan has failed.

Nov 21, 2008 | HP Compaq ProLiant DL580 G4 (430811001)...

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