HPE Smart Array P542D Controller
Overview
HPE Smart Array P542D Controller
The HPE Smart Array P542D Controller is a PCI-Express (PCIe) 3.0 mezzanine, 12Gb/s Serial Attached SCSI (SAS) RAID controller
that supports
Synergy
advanced RAID capabilities.
power failure. It features eight external physical links and eight internal physical links
module uptime by providing advanced storage functionality, including online RAID leve
and pre-failure alert.
HPE Smart Array P542D/2GB FBWC 12Gb Mezzanine SAS Controller
HPE Smart Array P542D/2GB Controller for ProLiant XL270d Gen9 Server
HPE Smart Array P542D/2GB FBWC 12Gb Mezzanine SAS Controller
The Smart Storage Battery and SAS cable are not included with this HPE Smart Array P542D Controller
(759557
configured in RAID mode.
thus
The SAS cable is only required when attaching to the
HPE Smart Array P542D/2GB Controller for ProLiant XL270d Gen9
Server
The Smart Storage Battery and SAS cable for the internal drives on ProLiant XL270d server are
included with this HPE Smart Array P542D Controller (851508-B21).
internal and direct attached storage. It provides enterprise-level reliability, connectivity, and performance for HPE
compute and storage modules, and HPE ProLiant XL270d server through its support of the latest SCSI technology and
The controller supports 2GB flash-backed write cache (FBWC) to maximize data retention in case of a
within four ports to deliver increased compute
l migration with FBWC, global online spare,
-B21). The Smart Storage Battery is required by the Smart Array P542D Controller when
Only one Smart Storage Battery is required per Synergy Compute Module,
you can use the Smart Storage Battery that was included with the Smart Array P240nr controller.
internal compute SAS/NVMe backplane.
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HPE Smart Array P542D Controller
Standard Features
• Storage interface (SAS/SATA)
• 12Gb/s SAS (1200 MB/s theoretical bandwidth per physical lane)
•
Online Management
Features
• Online array expansion
•
The following features offer detection of possible failures before they occur, allowing preventive action
to be taken:
during inactive periods and automatically remaps bad sectors, ensuring data integrity.
– 16 physical links 2 x4 internal ports and 2 x4 external ports
– 12Gb/s SAS, 6GB/s SATA technology
– Mix-and-match SAS and SATA drives to the same controller
– Support for SAS tape drives, SAS tape autoloaders and SAS tape libraries
2 GiBytes Flash-Backed Write Cache (FBWC)
PCI Express Gen3 x8 link
RAID 0, 1, 10, 5, 50, 6, 60, 1 ADM, 10 ADM
RAID or HBA mode
Legacy and UEFI boot operation
Up to 71 physical drives
Up to 64 logical drives
HPE SmartCache (optional license)
HPE Secure Encryption (optional license)
HPE SSD Smart Path
6Gb/s SATA (600 MB/s theoretical bandwidth per physical lane)
PCI Express Gen3 x8 link width
2 GiBytes 72-bit wide DDR3-1866MHz Flash-Backed Write Cache provides up to 12.8GB/s
maximum cache bandwidth
Read ahead caching
Online capacity expansion
Online logical drive extension
Online RAID level migration
Online stripe size migration
Online mirror split, recombine, and rollback
Online active drive replacement
Online drive firmware upgrade
Online and high performance offline Rapid Parity Initialization (RPI)
Unlimited global online spares assignment
User selectable expand and rebuild priority
User selectable RAID level and stripe size
User selectable read and write cache sizes
Supports Predictive Spare Activation
S.M.A.R.T.: Self-Monitoring Analysis and Reporting Technology first developed at Hewlett Packard
Enterprise detects possible hard disk failure before it occurs, allowing replacement of the
component before failure occurs.
Dynamic Sector Repairing continually performs background surface scans on the hard disk drives
8 SAS/SATA physical links across 2 x4 ports
8 SAS/SATA physical links across 2 x4 ports
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HPE Smart Array P542D Controller
• Smart Array Cache Tracking monitors integrity of controller cache, allowing pre-failure
preventative maintenance.
Minimizes downtime, reconstructs data, and facilitates a quick recovery from drive failure:
•
• DRAM ECC detects and corrects data bit errors.
The HPE SmartCache feature is a controller-based read and write caching solution in a DAS
environment that caches the most frequently accessed data (
dynamically accelerate application workloads. The
supports any
HPE SmartCache is an opt
For more information please visit: http://www.hpe.com/servers/smartcache
HPE Secure Encryption is a Smart Array controller-based data encryption that protects sensitive,
mission critical data. This is an enterprise
attached to the
controller.
(see
The solution is available for both local and remote key management mode deployments. Local Key
Management Mode is focused on single server deployment where there is one Master key per
controller that is managed by the user. Remote Key Management Mode
deployments from just a few servers to thousands of servers.
For more information please visit http://www.hpe.com/servers/secureencryption
The HPE SSD Smart Path feature included in the Smart Array software stack improves Solid State Disk
(SSD) read performance. With up to 4x better SSD read performance, HPE SSD Smart Path chooses
the optimum path to the SSD and accelerates reads for all RAID levels an
Smart Path requires updated firmware, drivers, and configuration utility available at:
http://www.hpe.com/servers/ssa
in
disabled for HPE SSD Smart path to be operational.
Recovery ROM: This feature protects the user from a firmware image corruption by storing a
redundant copy of the firmware image. If the active firmware image becomes corrupt, the
controller will use the redundant firmware image and continue operating.
On-Line Spares: There is no limit to the number of spare drives that can be installed prior to drive
failure. If a failure occurs, recovery begins with an On-Line Spare and data is reconstructed
automatically.
"hot" data) onto lower latency SSDs to
HPE SmartCache architecture is flexible and
server supported HDD for bulk storage and any server supported SSD as an accelerator.
ional license (see
SmartCache is deployed and managed using the HPE Smart Storage Administrator (HPE SSA).
-class encryption solution for data at rest on any bulk storage
HPE Smart Array P542D controller including data on the cache memory of the
HPE Secure Encryption is an optional license per server requiring encryption enablement
Related Options for more information on the license).
for more information on the license).
.
. HPE SSD Smart Path is ideal for read intensive workloads and is
cluded as a base feature on HPE Smart Array P-series controllers. Please note, FBWC must be
is for enterprise wide
d RAID 0 writes. HPE SSD
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