As an additional bonus, the system administrator maintains complete control over configuring the size and number of logical volumes
presented to each client server, thus providing a large margin of flexibility for determining how much and how long backup data resides at disk speeds.
Similarly, Exchange clients with different data availability needs may be assigned to logical volumes
with different protection characteristics.
The servers no longer see (and try to grab) specific physical targets, but instead "discover" logical volumes
for their exclusive use.
By using the emerging iSCSI standard, TCP/IP and Gigabit Ethernet, StoneFly's new i1000 and i1500 Storage Concentrators add intelligent block-level logical volume
management to existing IP networks to pool existing and new storage assets, thus providing more efficient utilization, streamlined management, rapid deployment and reconfiguration of storage, and reduced SAN-based backup and restore times.
Storage volume management: Logical Volume
Manager (LVM) included with Red Hat and SuSE Linux (http://www.
In addition, the product supports logical volumes
greater than 16TB.
Directly addressing these pain points, the new version of CentricStor provides the industry's biggest backup capacities - starting with the biggest VTL cache, which now scales up to a massive one petabyte - and Fujitsu Siemens Computers has trebled the number of logical volumes
that can be processed in one system, from 500,000 to 1,500,000.
IOSmart * Allows for the flexible configuration of logical drives, logical volumes
and logical partitions * Ensures instant RAID availability via background logical drive initialization * Fibre loops load balancing is provided within the subsystem * Embedded intelligent algorithms, such as Adaptive Write Policy and Guaranteed Latency I/O, improve sequential write performance for the fast and continuous flow of data DrvSmart * Media Scan function retrieves data from degraded or damaged hard drives and handles low quality drives in both the degraded mode and during the rebuild process * Other features include disk cloning, drive roaming, SMART, transparent resetting of non-responsive hard drives, and RAID parity update tracking and recovery.
In an IP SAN configuration, backup software instructs client servers to send backup date to logical volumes
presented by the IP SAN over a dedicated Gigabit Ethernet link.
The fabled EMC microcode has been enhanced so that up to 4,096 logical volumes
can be addressed on Symmetrix servers, up from 1,024 now.