Valid Drive Mix Configurations With Hdds And Ssds; Valid Drive Mix Configurations - Lenovo ThinkServer RD240 Software User's Manual

1.7.1

Valid Drive Mix Configurations with HDDs and SSDs

1-8
You can allow a virtual drive to consist of both SSDs and HDDs.
For virtual drives that have both SSDs and HDDs, you can choose
whether to mix SAS drives and SATA drives on the SSD devices.
You can choose whether to allow a virtual drive to consist of both SSD
devices and HDDs. For a virtual drive that consists of SSDs only, you
can choose whether to allow SAS SSD drives and SATA SSD drives in
that virtual drive. For virtual drives that have both SSDs and HDDs, you
can choose whether to mix SAS and SATA HDD drives with SAS and
SATA SSD devices in various combinations.
Table 1.1 lists the valid drive mix configurations you can use when you
create virtual drives and allow HDD and SSD mixing. The valid drive mix
configurations are based on manufacturer settings.
Table 1.1

Valid Drive Mix Configurations

# Valid Drive Mix Configurations
1. SAS HDD with SAS SDD (SAS-only configuration)
2. SATA HDD with SATA SSD (SATA-only configuration)
3. SAS HDD with a mix of SAS and SATA SSD (a SATA HDD
cannot be added)
4. SATA HDD with a mix of SAS and SATA SSD (a SAS HDD
cannot be added)
5. SAS SSD with a mix of SAS and SATA HDD (a SATA SSD
cannot be added)
6. SATA SSD with a mix of SAS and SATA HDD (a SAS SSD
cannot be added)
7. A mix of SAS and SATA HDD with a mix of SAS and SATA
SSD
8. A SSD cannot be added to a HDD, but a SAS/SATA mix is
allowed.
Note: Only one of the valid configurations listed in
allowed based on your controller card manufacturing
setting.
Note: The valid drive mix also applies to hot spares. For hot spare
information, see
Overview
Section 2.4.13, "Hot Spares," page
Table 1.1 is
2-11.