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Archived - Promise VTrak: Third SAS-connected Expansion Chassis Only: Xsan (Data Only) configuration script

This article contains a script used to configure Promise VTrak SAS-connected Expansion Chassis for Xsan. This script is used in the event that a Promise VTrak RAID Controller has already been configured for use with Xsan, and that an Expansion Chassis is being connected to the already-configured RAID Controller.

This article has been archived and is no longer updated by Apple.

To create the configuration script, copy the text below beginning with the line "#Begin Copy" to the line "#End Copy" and paste the text into TextEdit, using these guidelines. Once you've created the script, follow the guidelines in this article to import the configuration script.


#Begin Copy
#
# Promise VTrak E-Class configuration script
#
# Script Name: Third SAS-connected Expansion Chassis: Xsan (Data Only)
#
# Script Details: builds 3 LUNs from 16 drives (Third expansion unit)
# in the recommended configuration for use with Xsan 2
#
# Script Assumptions: no arrays or logical drives created
# (uncomment out array deletion if needed)
# script works with either SATA or SAS configurations
#
# Global controller settings
# LUN Affinity: enabled [required]
# Adaptive Writeback Cache: enabled [optional]
# Host Cache Flushing: disabled [optional]
# Forced Read Ahead: enabled [optional]
#
#ctrl -a mod -i 1 -s "lunaffinity=enable, adaptivewbcache=enable, hostcacheflushing=disable, forcedreadahead=enable"
#ctrl -a mod -i 2 -s "lunaffinity=enable, adaptivewbcache=enable, hostcacheflushing=disable, forcedreadahead=enable"
#
# Delete any existing arrays
# Delete array 9 thru 11
#
#array -a del -d 9
#array -a del -d 10
#array -a del -d 11
#
# Build Data5 LUN
# RAID level: 5
# Physical Drives: 49, 50, 53, 54, 57, 58
# Alias: Data7
# Controller Affinity: 1
# Configuration options: Capacity all (default), 64K stripe size (default),
# 512 byte sector (default), Read Ahead, Write Back
#
array -a add -p 49,50,53,54,57,58 -s "alias=Data7" -c 1 -l "alias=Data7, raid=5, readpolicy=readahead, writepolicy=writeback, preferredctrlid=1"
#
# Build Data6 LUN
# RAID level: 5
# Physical Drives: 51, 52, 55, 56, 59, 60
# Alias: Data8
# Controller Affinity: 2
# Configuration options: Capacity all (default), 64K stripe size (default),
# 512 byte sector (default), Read Ahead, Write Back
#
array -a add -p 51,52,55,56,59,60 -s "alias=Data8" -c 1 -l "alias=Data8, raid=5, readpolicy=readahead, writepolicy=writeback, preferredctrlid=2"
#
# Build Audio/Scratch2 LUN
# RAID level: 5
# Physical Drives: 61, 62, 63
# Alias: Scratch4
# Controller Affinity: 2
# Configuration options: Capacity all (default), 64K stripe size (default),
# 512 byte sector (default), Read Ahead, Write Back
#
array -a add -p 61,62,63 -s "alias=Scratch4" -c 1 -l "alias=Scratch4, raid=5, readpolicy=readahead, writepolicy=writeback, preferredctrlid=1"
#
# Set up global spares
# Physical Drives: 64
# Type: Global spares, Revertible
#
spare -a add -p 64 -t g -r y
#
# Perform Init on all new LUNs
#
init -a start -l 9 -q 100
init -a start -l 10 -q 100
init -a start -l 11 -q 100
#
# END
#
#End Copy

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
Last Modified: May 17, 2013
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  • Last Modified: May 17, 2013
  • Article: HT3601
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