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Cisco 5400 ENCS - Secured RAID Group Configuration

Cisco 5400 ENCS
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Table 9: Drive Type Mixing
RAID-0 (not in 3.6.1)RAID-1JBODMix of Drive Types in
RAID Group
YesYesYesSATA HDD + SATA
HDD
YesYesYesSATA SSD + SATA SSD
YesYesYesSAS HDD + SAS HDD
Yes
1
Yes
1
Yes
1
SAS SED HDD + SAS
SED HDD
YesYesYesSAS HDD + SATA HDD
Yes
2
Yes
2
YesSAS HDD + SAS SED
HDD
NoNoYesHDD + SSD
1 With or without encryption enabled.
2 Virtual disk encryption cannot be enabled.
Mixing Drive Types in RAID Groups
For the best performance, follow these guidelines:
Use either all SAS or all SATA drives in a RAID group.
Use the same capacity for each drive in the RAID group.
Never mix HDDs and SSDs in the same RAID group.
Never mix SAS and SED SAS.
Disks Replacement Considerations
For the best compatibility with NFVIS, follow these guidelines:
- When replace a faulty unit, make sure the replacement unit does not have existing partitions.
- Do not swap the drives between Slot-0 and Slot-1.
- Do not swap or replace drives used by other ENCS system without reformatting it beforehand.
RAID Backup Units
ENCS-MRAID does not support RAID backup units.
Cisco 5400 Enterprise Network Compute System Hardware Installation Guide
40
Supported RAID Controllers and Required Cables
Disks Replacement Considerations

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