Storage Update: Disaster Recovery--Take the First Step to a Complete DR Solution
July 3, 2006
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Beginning with today's issue, Storage UPDATE willcome to you on the first Monday of the month. Storage UPDATE will continue to provide the latest and greatest storage news, tips, and industry insight.
==== 1. Storage Viewpoint: Take the First Step to a Complete DR
Solution ====
by [email protected]
As I write this, most of the local waterways are well over
flood stage (as much as 11' over crest). In addition, the Federal
Emergency Management Agency (FEMA) has yet to show up with debit
cards and trailers, and many local businesses now find themselves
completely flooded out. Some locations along the river are seeing
water hit the second floor of some low-lying buildings. As my
office sits between two major flood areas, the current weather
patterns give me reason to think about my disaster recovery plans
despite no immediate danger.
Although I'm completely comfortable with my data backups, I
realize that I lack any sort of business continuity/disaster
recovery plan. What happens if my office gets flooded or simply
loses power for a long period of time due to flooding elsewhere?
Fortunately, floods are rarely a surprise, and if necessary, I
know that I could pack up my office and move it elsewhere--which
would be a major aggravation given the amount of hardware
involved--but it could be done.
Because an ISP hosts my Web and email services, I don't have
to concern myself with customers that have issues with those
services while my office location is being moved or temporarily
out of service. However, like many small businesses, I don't
maintain an offsite backup of my critical data (though, in the
past, I've covered services that offer real-time backup of local
servers to remote sites). The ongoing weather situation here has
forced me to rethink this practice. Even without a major disaster
that destroys my upper-floor office, I could easily be in a
situation in which flooding prevents me from accessing my office
and the data contained therein.
One of my habits, however, would help me alleviate some of the
potential problems. I keep current copies of my in-progress
projects online, stored in password-protected archives in
password-protected directories on one of my Web servers. I update
these archives as the projects progress and could continue with
any of the projects without access to my office as long as I have
access to a computer that has Microsoft Office and Internet
access. But I wouldn't have access to the relatively huge amount
of historical data I retain, nor any of the more specialized
applications that I run.
For this reason, I've given serious thought to one of two
solutions: tape backup or a rack-mountable hard disk-based backup
appliance. Tape backup lets me do the traditional tape rotation
with offsite storage, and the costs are fairly low. However, tape
backup also means a change in workflow, and my work style doesn't
lend itself to the workflow that would allow me to use tape as my
crisis solution.
With a hard disk-based appliance, I can automate the backup
process so that a mirror of my office data is always available in
a single device that, although not exactly portable, is small
enough to pick up and move if necessary. This would provide
minimal interference with my existing workflow and let me get up
and running at an alternate location with minimal trouble.
I still need to develop a business continuity plan in case a
disaster destroys my office and its contents, but the added
security of maintaining a movable image of my office is a good
place to start.
Give us your feedback on this article! Click here:
http://www.windowsitpro.com/articles/index.cfm?articleid=53923
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==== 2. News from the Industry ====
SteelEye: Affordable Business Continuity Is Within Reach
by Anne Grubb, [email protected]
How well an organization's business continuity plan actually
works depends largely on how quickly and smoothly the business
can fail over its primary IT operations to remote disaster
recovery site(s). Storing backup tapes offsite is no an longer
adequate means of ensuring an acceptable recovery time objective
(RTO) for critical applications and data, which is why companies
are increasingly seeking solutions from wide-area data-
replication vendors such as SteelEye Technology.
SteelEye recognized that many businesses want a wide-area
replication solution but can't afford the bandwidth required to
continuously send backed-up data over the wire from the primary
server to a mirrored remote site. Responding to the IT market's
demand for affordable wide-area replication, SteelEye offers
several software-based wide-area replication products, among them
LifeKeeper Data Replication for Windows, which the company
updated earlier this year with version 5.2. SteelEye Vice
President Bob Williamson says the products offer superior
bandwidth utilization to its main competitor, NSI Double-Take.
"The new version of the data replication product uses 90 percent
of \[a WAN's\] available bandwidth, whereas the previous version
used only 40 to 50 percent of the WAN connection," he says.
The product also includes a bandwidth-throttle feature, which,
Williamson says, lets you adjust how much bandwidth replication
will consume for a transfer between a particular pair of mirrored
systems. "You can say, I want this mirror to consume only this
much bandwidth, so you can maintain a balance between data-
replication performance and other activities across your WAN
connection."
SteelEye is also keeping a close watch on organizations'
readiness in regard to business continuity and dealing with
unplanned downtime. In April, the company released the results of
a market survey called the SteelEye Technology Business
Continuity (BC) Index, done in conjunction with Continuity
Central. The survey presents some starting findings about the
state of business continuity planning among organizations. For
instance, says Williamson, "45 percent of companies that have
business continuity plans have actually had to invoke them in
past 12 months." And another 19 percent of the organizations
surveyed have no plan for assuring business continuity, which
many attribute to the high cost of putting such plans in place.
"This research clearly demonstrates that a good business
continuity plan is by no stretch reserved for organizations with
huge budgets," Williamson says. "There are low-cost solutions
available today."
==== 3. New & Improved ====
by Blake Eno, [email protected]
Hard Drive Enclosures for 2.5" IDE Drives
Addonics Technologies announced a series of hard-drive
enclosures for 2.5" IDE hard drives called Jupiter. The product
features an anodized aluminum casing, lightweight and compact
size, and shock mount technology that protects against vibration.
The Jupiter Cipher version includes hardware encryption that
encrypts and decrypts the entire hard drive in real time. The
Jupiter drive enclosure can also be used as an external hard
drive through USB, external SATA (eSATA), or FireWire (IEEE 1394)
by attaching different Addonics Universal Storage Interface BUS
(USIB) interface cables. For more information, visit Addonics on
the Web:
http://www.addonics.com
Nexsan Announces New iSCSI Functionality
Nexsan Technologies announced that iSCSI functionality is now
built into its RAID storage products including SATABeast and
SATABoy, which allow them to integrate into existing Ethernet or
Fibre Channel backup environments. According to Diamond Lauffin,
senior executive vice president at Nexsan, this new functionality
was based on customers who wanted a storage solution that was
less complex and less costly than assembling a comparable multi-
vendor system. For more information, visit Nexsan on the Web:
http://www.nexsan.com
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=========
by [email protected]
http://www.windowsitpro.com/articles/index.cfm?articleid=53923
This definitive guide from Xiotech provides valuable information on: 1. Data classification by type, currency, and availability requirements, and 2. ILM infrastructure, including tiered storage, data movement, and data protection strategies.
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by Anne Grubb, [email protected]
by Blake Eno, [email protected]
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