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A server crash can cause servere damage to a company or an organization due to its downtime, potential data loss and lost user productivity. Most servers runs on Linux and Unix Operating Systems and most servers now use SAS and SCSI drives.

Server Crash Causes

DoS(Denial of Service ). attack-is basically overloading the system with a bunch of requests, this ties up system resources and usually someone needs to go in and manually reboot a server.this attack doesn’t apply to a regular computer since regular computers do not provide websites.

ARP cache poisoning -it’s a method of forging a “fake ID” for a computer so that you have unfetered access to a server. While this may not directly cause a server to crash, it can still be taken offline.

Viruses and worms-Hard to believe but people are making specialized software and applications which are used in the Zero Day attacks to exploit servers.

Hard disk crash-Even with dual hard drives , this is very common and happens quite a lot specially on web servers. As a user performs uploading and takes several actions that performs read write tasks on the hard drive, after a while of continuous working, it simply fails. Also note that malfunction of other hardware also plays a role in the crash.

Power failure-Power outage at a critical point, without the appropriate UPS protection;

Windows update which was not compatible;

Out of disk space on the system volume;

Server room heat and server overheated;

Software installed but not compatible;
Usually server technicians need to some things to prevent data loss or avoid a server crash:

1: Maintain the server regularly;
2: Monitor infrastructure remotely 24/ 7 to be notified of new issues and errors;
3: Fix the new errors and relavant failures as soon as possible before a server crash occurs.

Some server data security tips:

1, Make sure your backups are current and not corrupt
2, Do not restore backups to your array to avoid overwriting data
3, Create sector-by-sector images of your servers’ hard drives

Related News: SDII Lights Up The Server Data Recovery Market