For all network sizes, Alcatel-Lucent requires the use of at least four disks on
workstations running the 5620 SAM Database. This disk configuration allows for better
performance by distributing the database onto multiple disks. Customized disk
configurations may be required for larger network deployments or where large scale
statistics collection is required. Request a formal platform sizing for further details. NAS
disk configurations are not supported.
Disk configurations for workstations running the 5620 SAM Database with less than four
physical disks greatly limits the 5620 SAM system performance, managed-network size,
and data storage capacity, and is therefore only supported for lab trials.
Refer to
“Scaling guidelines for statistics collection” (p. 6-8)
for statistics collection
recommendations.
In 5620 SAM upgrade scenarios, previous disk configurations may still be valid.
To alter existing disk configurations, a migration plan is available. Consult with
Alcatel-Lucent personnel.
Using RAID technologies
Alcatel-Lucent requires the use of RAID 0 (striping) provided by a hardware based RAID
controller. Software based RAID 0 is not supported. Alcatel-Lucent will provide disk
layout and configuration details for customers requiring a Storage Array or layouts not
specified in the
5620 SAM | 5650 CPAM Installation and Upgrade Guide
. The increased
disk I/O performance offered by RAID 0 is required for all 5620 SAM deployments. The
5620 SAM | 5650 CPAM Installation and Upgrade Guide
provides details of these
configurations. A RAID 0 stripe size of 512 Kbytes is required for optimal 5620 SAM
disk performance. If a platform does not support a stripe size of 512 Kbytes, choose the
next largest stripe size, for example, 256 Kbytes. Specifying a smaller or larger stripe size
may result in degraded performance that compromises 5620 SAM network management.
Alcatel-Lucent supports the use of RAID 1 (Mirroring). Deployments requiring increased
resiliency are encouraged to use 5620 SAM platform redundancy. If RAID 1 is required, a
platform providing hardware RAID 1 and that has sufficient number of disk to meet the
increased disk requirements must be selected.
To reduce the chance of data loss or application down time, Alcatel-Lucent recommends
the use of RAID 1+0.
Note:
Alcatel-Lucent is not responsible for installation, administration or recovery of
RAID on a 5620 SAM platform.
Platform requirements
Storage considerations
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5620 SAM
3HE-09809-AAAG-TQZZA 13.0 R7
Issue 1
December 2015
