Hitachi Simple Modular Storage 100, Руководство пользователя

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Introduction
Hitachi Simple Modular Storage 100 User’s Guide
Data backups offer critically important benefits, as long as backups are
done correctly and consistently. ShadowImage In-system Replication
software offers nondisruptive, high-speed data backup operations on a copy
of up-to-date production data, while critical applications run unaffected and
businesses remain online.
Traditional downtime recovery processes can be labor-intensive and span
several hours, during which production data is unavailable. Copy-on-Write
Snapshot software rapidly creates point-in-time copies of any data volume
within your Hitachi Simple Modular Storage 100 without impacting
application service or performance levels. Because snapshots store only the
changed data blocks, the storage capacity required for each copy is
substantially smaller than the source volume, providing significant savings
over full cloning methods. The Copy-on-Write Snapshot copies are fully
read/write compatible, simplifying rapid data restores, data mining and
warehousing, and nondisruptive backup and maintenance procedures.
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LUN Management
Feature
• LUN Manager
A Logical Unit Number (or LUN) refers to either an entire physical disk, or a
subset of a larger physical disk or disk volume. LUNs represent the
“virtualization layer” between the physical disk/volume and applications. A
LUN can be used to present a smaller view of the total amount of disk
storage available to a server. For example if you partition a drive into small
pieces for an application or to accommodate disk limitations of your server’s
operating system, each segment would share a common SCSI target ID,
with each partition having a unique LUN.
LUN Manager streamlines the processes associated with adding,
configuring, modifying, deleting, and reassigning LUNs to specific paths
without having to reboot your array. LUN Manager also lets you assign
multiple paths to a single LUN to support alternative path failover, path load
balancing, and clustered systems.
Security
Feature
• Password Protection
Your Hitachi Simple Modular Storage 100 offers several data-protection
features to protect your critical data assets. Password Protection lets you
restrict access to your Hitachi Simple Modular Storage 100 to one registered
user at a time.
NOTE: ShadowImage In-system Replication software and Copy-on-Write
Snapshot software are available only for Hitachi Simple Modular Storage
100s equipped with dual controllers.