Barely There
The Power Of Bare Metal Backup
All professionals recognize the importance of a good backup. But sometimes we forget how important server image backups are. A good Bare Metal Backup can save a week of frustration trying to rebuild an old server that finally has failed.
Most of the time, when we toss around the word backup, we are referring to data backups. A data backup is a backup of files and content created by users of the computer. It’s different from the programs and Operating System components and typically are static. User files by comparison changes each day.
As computer professionals, we all obsess over data backups. We are always concerned we might neglect to backup something a user created that turns out to be critical to their organization. Maybe it was a legal brief part of an ongoing case, or maybe it’s a spreadsheet the describes a business proposal, or maybe it’s a database file with the list of customers who owe money to the organization.
But why do we only focus on data? Because we are lulled into believing if a server fails all we’d need is the data, and one of the many Operating System disks found around the office to put a server back together. Maybe an hour or two, and we’d be back in business, right?
The truth is, rebuilding a server, especially an older server, can take days to get everything back after server failure. It’s easy to forget how many steps there are, and how long each step could take. Operating system, service packs & hot fixes alone could take 4 hours. Then tracking down obsolete device drivers & application disks could take days of frustrating search combined with maddening trial and error.
Bare Metal Backup to the Rescue
Here’s how it works. You take a server offline, and make an image of the server’s file system. Afterwards, you store the image on permanent media and transfer the backup offsite.
Now when a server crashes, you have a way to skip over all those tedious steps. Recovering from a server crash means you first recover the server image. Then you recover the data from last night’s data backup. The combination of Bare Metal Backup + Data Backup means you can have a server back on it’s feet within a single day.
Bare Metal Backup is No Replacement for Data Backup
Bare Metal Backups should never be considered a replacement for a good nightly data backup plan. First of all, Bare Metal Backups usually require taking a server offline. In most organizations this is not practicable for daily operations, not to mention it would mean hanging around long after everyone else goes home.
Second, Bare Metal Backups don’t lend themselves easily to recovering a single file. The nature of Bare Metal Backups typically requires a complete server recovery be done – even if you only want to recover a single file.
And Third, Bare Metal Backups are large. They include a backup of everything, both Data and Programs. If you create one daily, you’d be generating and storing a lot of information that only changes infrequently.
Of course the next question is – how often should Bare Metal Backups be done?
Backup Schedule
The best advice for scheduled Bare Metal Backups is simple – anytime you update or add new software to the server. In most organizations, server software changes infrequently. Most changes are the result of hotfixes, service packs and security updates. So we recommend anytime you update your server, you take the time to perform a Bare Metal backup.
If the server is really old, it may no longer be supported and even hotfixes, service packs and security updates have ceased, in which case we recommend semi-yearly updates.
In most organizations, the Backup Schedule will look something like this:
* Every Night – Data Backup
* Twice a Year – Bare Metal Backup
A good backup is your best defense against server failure.
Kleo — Free Bare Metal Backup
Carroll-Net has created a Bare Metal Backup system for Servers called Kleo. You can now create all inclusive bare metal backup for servers that include the OS, drivers and applications. This saves you days of recovery time searching for obsolete applications and the frustrating trial and error restoring user’s preferences.
KLEO is provided as part of the Carroll-Net Server Recovery Kit – a complete operating system delivered on a Live-CD. The CD is packed with hundreds of specialized tools that make recovery from even the most disastrous failures a snap. There are tools for recovering data from damaged hard drives, for recovering lost passwords, tools to check a server’s memory for faulty chips, and there is even a tool to find & recover lost partitions and to troubleshoot server boot up problems.
Best of all, KLEO and the Server Recovery Kit are completely free. You’re welcome to make as many copies as you like and share them with your colleagues and staff.
You can download your free copy of Kleo from http://www.kleobackup.net
About the Author
Jim Carroll -President Carroll-Net, Inc. Over 20 years experience in Information Technology and Bare Metal Backup. Jim holds a Bachelor of Science degree in Business Management from Saint Peter’s College.
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