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System Requirements

SPECTRUM Software Release Notes Page 32

Disk Requirements (Disk Striping)

For optimum performance, Aprisma recommends running SPECTRUM on

systems with multiple ultra-wide SCSI or EIDE drives using RAID disk

striping technologies. SPECTRUM requires high-performance disk I/O

optimized for small random writes. Please contact your hardware vendor

for an appropriate RAID solution.

OLARIS

The REQUIRED conﬁguration is to install SPECTRUM on a separate disk

other than the operating system and install DDM on a separate disk (on a

separate disk away from the rest of the SPECTRUM install) for a total of 3

disks*.

A BETTER conﬁguration is to install SPECTRUM (with DDM) on a 3-disk

stripe set. The stripe set can be set up by either using the Solstice Disk

Suite software package or through the use of a raid controller (RAID 0).

The BEST solution for disk performance is to install SPECTRUM and

DDM each on their own 3-disk stripe set (a combination of the above two

solutions).

To summarize the above Solaris scenarios:

To move the DDM directory onto to a disk separate from Solaris, perform

the following actions:

OS SPECTRUM DDM

Required disk1 disk2 disk3

Better disk1

Best disk1 3 disk stripe set 3 disk stripe set

3 disk stripe set

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 202 203

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Cabletron Systems 9W006 Especificaciones Pagina 32