EventID 9 Error The device, \Ide\IdePort0, did not respond within the timeout period on vmware esxi 5.5 machine

Posted on 2016-09-06
Last Modified: 2016-09-11

I have a VMWare virtual machine, a Windows 2003 server with Microsoft Exchange 2007.
The VMware host is an VMware Esxi 5.5 .

The server is very slow (and even for the Outlook clients).
And since the slowness began, i've noticed this error (the frequency is variable, several tens per day):

 Event ID 9 Source atapi
 Event ID      9
 Source      atapi
 Type      Error
 Description      The device, \Ide\IdePort0, did not respond within the timeout period.

(in reality the message is in french: "Le périphérique \Device\Ide\IdePort0 n'a pas répondu dans le délai imparti. ")

I don't know if the message is the cause or the consequence (may be no Relationship with the error?)
There are other event items (like Exchange events), but they seems to be consequence of the slowness.

Any idea?

Best regards.

Question by:j75
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LVL 120
ID: 41786434
can you check if the VM is running on a snapshot disk ?

don't know how to check, see  my EE Article

HOW TO: VMware Snapshots :- Be Patient

Author Comment

ID: 41786511
Hello Andrew,
Your are right, we have a replication with veeam for this machine.
And it seems there is a snapshot remaining on this machine "TEMPORARY BACKUP VEEAM SNAPSHOT" with a date close from the first event ID 9 (21th of July).
But what can I do?


Author Comment

ID: 41786540
Sorry, I've not read your article totally, it seems you give the solution in the article.
I read it before.

What is SQL Server and how does it work?

The purpose of this paper is to provide you background on SQL Server. It’s your self-study guide for learning fundamentals. It includes both the history of SQL and its technical basics. Concepts and definitions will form the solid foundation of your future DBA expertise.

LVL 120
ID: 41786551
do you have a snapshot - check ?

also do you have any ide devices in the VM ?

Author Comment

ID: 41786652
Do you mean if I've verified that the machine is running on a snapshot disk?
In this case, the reply is yes (I'v juste verified)

I'm not sure to use an IDE device. It seems the virtual DVD-CD drive is assigned to an iDE virtual node.

Do you think the solution consists to delete the "TEMPORARY BACKUP VEEAM SNAPSHOT" remaining?
There is no active task for the veeam replication, the ask has beee temporarily been disabled., but the last veeam task has failed, because I've stopped it before a reboot of the server .

LVL 120

Accepted Solution

Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 41786713
Okay, well your performance is POOR, because of the snapshot.

The solution

1. Take and create a new snapshot.
2. Wait 1-2 minutes.
3. Select DELETE ALL
4. Wait and Be Patient.

You may want to check the size of snapshot, and also you have storage space free, snapshot deletion, can take, seconds, minutes, hours or days, depending on how long the VM has been writing to a snapshot disk.

Author Comment

ID: 41786953
Thanks, I think your are on the right track.   ;-)
But why not delete the only remaing snapshot, rather than creating a new one and delete all?

LVL 120
ID: 41786968
because this is a sure way, of making sure the snapshot chain is valid...

and delete ALL then merges the entire chain!

There are many methods to achieve the same results, also sometimes, there are no snapshots listed in snapshot manager when they have been completed through the API.

Author Comment

ID: 41787014
I will bring you back to tell you tomorrow.
Bye for now!

Author Comment

ID: 41788717
You was right, Andrew. We have juste delete the remaining snapshot (I know you advise to create a new one before, but we have done that).
We have  good performance again.
I thank you for your help.

LVL 120
ID: 41788768
no problems, keep a daily check on those snapshots.

Author Closing Comment

ID: 41793504
Very relevant response.

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