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Next-Generation Email
Archiving
The fast-growing volume of email presents major challenges for all
organizations. According to Ferris Research, the average information
worker sends over 600 emails in a given week. Many of these emails
are either business records or contain valuable corporate knowledge
and need to be retained accordingly. Keeping a large volume of email
leads to higher storage costs and headaches for IT staff in the form
of longer back-up windows. In fact, Osterman Research states,
message stores have grown 30% from winter 2007 to winter 2008. As
message stores grow, organisations face challenges with:
- Managing Storage Costs – getting content off expensive production
systems
- Timely Recovery Times – reducing recovery point objectives and
ever-expanding back-up windows
- Ending eDiscovery Firefights – lowering cost of reactive
collection and review
- Mitigating Content-related Risks – ensuring proper usage of
content within the organization
NearPoint Continuous Application Shadowing™
First-generation archiving solutions place heavy burdens on Exchange
servers, relying on data capture methods like MAPI crawls and
journaling – both of which can increase input/output per second (IOPS)
on the Exchange server by up to 50 percent to archive the complete
data store.
Mimosa NearPoint for Microsoft Exchange has incorporated an
innovative data capture approach called Continuous Application
Shadowing™ where Exchange log files are captured the instant they
are committed to disk and stores them “off-host” on NearPoint.
Continuous Application Shadowing is an application-intelligent
process that blocks corruption from the backup copy. All email
content extracted from the log files is indexed and stored with
single-instance storage. Continuous Application Shadowing also
captures the complete Exchange mailbox information, including
contacts, calendars, personal folders, as well as email stored
offline in PST files and all email content found in public folders —
a major advantage for eDiscovery and Exchange recovery.
Continuous Application Shadowing can optionally leverage Volume
Shadow-copy Service (VSS) capture improving log shipping performance
by 10x over Extensible Storage Engine (ESE), when applying Exchange
logs. Additionally, with an Exchange 2007 Cluster Continuous
Replication environment NearPoint can read from the passive node
eliminating any load on the active node
NearPoint MAPI Capture
NearPoint also supports capture of mailboxes that are either local
to the NearPoint server or geographically dispersed. In these
scenarios, customers can leverage NearPoint's MAPI archiving to
capture only specific mailboxes eliminating the need to shadow
Exchange. With this approach, it is also possible to specify
exclusion criteria to further exclude certain message classes or
folders from those mailboxes for even more selective archiving.
MAPI archiving and Continuous Application Shadowing can co-exist in
a complementary manner, for example if an organization has a mix of
local and remote Exchange servers, Continuous Application Shadowing
can capture from the local servers while MAPI archiving captures
from remote servers.
A Next-Generation Approach to Email Archiving
Existing archiving solutions place heavy burdens on Exchange
servers, relying on data capture methods like MAPI crawls and
journaling – both of which can increase input/output per second (IOPS)
on the Exchange server by up to 50%. Mimosa NearPoint for Microsoft
Exchange incorporates an innovative data capture method called
Continuous Application Shadowing™. Continuous Application Shadowing
instantly captures Exchange log files once they are committed to
disk and stores them “off-host” on NearPoint. It is an
application-intelligent process, which also blocks corruption from
the back-up copy. All email content extracted from the log files is
indexed and stored with single-instance storage. Furthermore,
Continuous Application Shadowing captures complete mailbox
information including calendar items, tasks, contacts, and item
histories.
Mimosa NearPoint™ then uses a method called Smart Message Extraction
to process Exchange message data for archiving. Smart Message
Extraction runs entirely on the NearPoint server and places no
burden on Exchange. Each time transaction log files are received on
NearPoint and applied to the full database replica, Smart Message
Extraction automatically runs and processes the data for archival.
The Smart Message Extraction process:
Breaks each individual message into its major components − header,
body and attachment
Each component is indexed and deduplicated
All email metadata is preserved, e.g. context information for
folders, permissions, flags and rich text and it includes a record
if the message was opened, edited, replied, forwarded or deleted.
For an initial discussion with one
of our archiving specialists call us now on (01344) 780000. |
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NearPoint Sidebar
Links
Introduction
Exchange Archiving
File Archiving
SharePoint Archiving
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