IBM Flex System x240 Compute Node
14
The eight SSDs are installed in the following locations:
Four in the front of the system in place of the two 2.5-inch drive bays
Two in a tray above one the memory banks for CPU 1
Two in a tray above one the memory banks for CPU 2
The ServeRAID M5115 controller has the following specifications:
Eight internal 6 Gbps SAS/SATA ports
PCI Express 3.0 x8 host interface
6 Gbps throughput per port
800 MHz dual-core IBM PowerPC® processor with LSI SAS2208 6 Gbps RAID on Chip (ROC)
controller
Support for RAID levels 0, 1, 10, 5, 50 standard; support for RAID 6 and 60 with optional upgrade
using 90Y4411
Optional onboard 1 GB data cache (DDR3 running at 1333 MHz) with optional flash backup
(MegaRAID CacheVault technology) as part of the Enablement Kit 90Y4342.
Support for SAS and SATA HDDs and SSDs
Support for intermixing SAS and SATA HDDs and SSDs; mixing different types of drives in the same
array (drive group) not recommended
Optional support for SSD performance acceleration with MegaRAID FastPath and SSD caching with
MegaRAID CacheCade Pro 2.0 (90Y4447)
Support for up to 64 virtual drives, up to 128 drive groups, up to 16 virtual drives per one drive group,
and up to 32 physical drives per one drive group
Support for logical unit number (LUN) sizes up to 64 TB
Configurable stripe size up to 1 MB
Compliant with Disk Data Format (DDF) configuration on disk (COD)
S.M.A.R.T. support
MegaRAID Storage Manager management software
Optional add-ons to the ServeRAID M5115 controller are RAID 6 support, SSD performance accelerator,
and SSD caching enabler. The feature upgrades are as listed in the following table. These are all Feature
on Demand (FoD) license upgrades.
Table 8. Supported upgrade features
Part
number
Description
Maximum quantity supported
90Y4410
ServeRAID M5100 Series RAID 6 Upgrade for IBM Flex
System
1
90Y4412
ServeRAID M5100 Series Performance Accelerator for
IBM Flex System (MegaRAID FastPath)
1
90Y4447
ServeRAID M5100 Series SSD Caching Enabler for IBM
Flex System (MegaRAID CacheCade Pro 2.0)
1