In what way towards Reduce Server Recovery time.

The worst-case for every single system administrator is when some business-critical service fails, and you don’t find out about it. How often times you were pretty sure everything is okay with the infrastructure until someone from the management called you and reported that the corporate mail server (or you name it what) is down? Yes, right, it was OK ten minutes ago whenever you sent your last e-mail, nevertheless now it’s down, and nobody at work can send or receive e-mails. You missed the moment once the server crashed and, what’s worst, you obtain this news from your colleagues. Needless to say, it will be much better if at the moment someone notices a challenge, you may report that you already know about any of it and work on the solution right now.

How to detect problems?
Since early ages of computer networks, administrators purchased the ping utility to test the reachability of a host in the network. This utility is available on almost all platforms and enables testing hosts in the local network and in the Internet. Thus, the very first obvious step for any administrator willing to test if the server is alive would be to ping it. The ping utility sends an ICMP request to the mark host and waits because of its reply کاهش پینگ. If the reply isn’t received within the timeout, the utility reports that the host is unreachable. This means that either the host has crashed and cannot send a reply, or the network connection to it is broken, so the host cannot serve remote requests.

The ping utility can be used for one-time checking of the bond to the host so that you could simply know if the host is up or down. Also, it can be launched in the monitoring mode when ping requests are provided for the host regularly, and you can see if the bond status changes. This process can be used to track the bond to at least one host, but when you yourself have multiple hosts, you need to continuously switch between console windows and risk missing the moment when among the connections fails. The conventional ping utility isn’t designed to be utilized as a watchdog to track connections to at least one or multiple hosts, but if you want this feature, you need to use so-called network monitoring or ping monitoring tools.

Using ping monitor to track multiple hosts status
Ping monitoring tools can assist you to track the status of multiple hosts and be notified concerning the hosts’ups and downs. Ping monitors could work in the 24/7 mode sending regular pings and analyzing responses to detect host outages.

There are a few free ping monitors available today to be useful for personal and commercial needs, with EMCO Ping Monitor Free being one of the most powerful freeware tools. This can be a visual interface utility that reports a set of parameters for every single monitored host, including the common ping response time and the response time deviation, which allows you to evaluate the bond quality.

In the event of several ping failures to a host in a line, the utility reports an outage, which means that the bond to the host is lost. In cases like this, it may notify you by playing an audio, displaying a note in the tray, and sending an e-mail. You are able to configure all the options depending in your needs. If you need to execute any custom action when the bond to a host is lost or restored, you can register special handlers in the utility. You may configure the command, application or script file to be executed automatically when the bond to a host is lost or restored.

To track connection to around five hosts, download a totally free Ping Monitor tool from EMCO. A professional version can be available. It doesn’t have limitation of how many tracked hosts and includes a long set of features.

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