Determine Whether Das Cache Configuration Is Required - Dell EMC VxFlex Ready Node 13G Manual

Preparing Disks

Determine whether DAS Cache configuration is required

Hardware Configuration and Operating System Installation Guide - Linux Servers
58
Note
In the above example, DAS Cache is not used.
5. Verify that all the VDs are configured correctly.
The following values should appear in the display:
Cache = NRWTD (for SSDs)
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Cache = RWBD (for HDDs, no DAS Cache)
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or
Cache = RWTD (for HDDs with DAS Cache)
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Cache = NRWTD (for SSDs)
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Cache = RWBD (for HDDs)
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After you finish
The next step is determined by the disk configuration of the node:
Mix of HDD and SSD: Proceed to
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required on page 58
All HDD: Proceed to
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Use the iDRAC web utility to determine whether DAS Cache configuration is required.
This is determined by the mix of disks that are on the server.
Before you begin
Ensure that you have:
The IP address of the BMC (iDRAC) port
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The username and password for accessing the BMC (iDRAC)
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Procedure
1. From your Internet browser, go to http://
Determine whether DAS Cache configuration is
Retrieve device paths in a Linux server
<BMC/iDRAC_IP_address> .
on page 65