Dell OpenManage Server Administrator Version 6.5 Instrukcja Użytkownika Pobierz pdf (Strona 228)

228 omconfig storage Commands

[writepolicy=<wb| wt| wc| nwc>] Parameter (Optional)

Different controllers support different write policies. Table 8-9 indicates how

to specify the [writepolicy=<wb| wt| wc| nwc | fwb>] parameter for each

of the write policies.

[name=<string>] Parameter (Optional)

Use this parameter to specify a name for the virtual disk. For example:

name=VirtualDisk1

[spanlength=<n>] Parameter (Required for RAID 50 and RAID 60 and optional for

RAID 10)

Use this parameter to specify the number of physical disks to be included in

each stripe.

This parameter only applies to RAID-50 virtual disks. If you are

not creating a RAID-50 virtual disk, do not specify this parameter. For

example:

spanlength=3

For RAID 10 on SAS controllers with firmware version 6.1 and later,

spanlength is optional. Also, you can now specify the spanlength as an

even number with a maximum of 8 spans with 32 physical disks each. For

example,

omconfig storage controller action=createvdisk

controller=1 raid=r10 size=min pdisk=

1:1:0,1:1:1,1:1:3,1:1:4,1:1:6,1:1:7,1:1:8,1:1:9

spanlength=4

Table 8-9. Write Policy Parameters

Write Policy writepolicy=wb | wt | wc | fwb | nwc Parameter

Specification

Write–back cache writepolicy=wb

Write–through cache writepolicy=wt

Write cache writepolicy=wc

Force write back writepolicy=fwb

No write cache writepolicy=nwc

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Dell OpenManage Server Administrator Version 6.5 Instrukcja Użytkownika Strona 228