Transcript
PRIMERGY Modular RAID Controller "RAID 5/6 SAS based on LSI MegaRAID"
Issue
Pages
June 5, 2008
2
The PRIMERGY Modular RAID concept is designed to provide a flexible and common RAID solution for the internal disks in all PRIMERGY servers and consists of three different RAID solutions: - embedded RAID for SATA disks - entry RAID controller for SAS and SATA disks - full featured RAID controller for SAS and SATA disks The RAID controller "RAID 5/6 SAS based on LSI MegaRAID" is released to drive the server internal disk drive. The RAID stack is based on LSI MegaRAID ® and offers powerful data throughput, extensive fault-tolerant capabilities and easy-to-use management. Key features: Industry proven MegaRAID® data protection Flexibility for both SAS and SATA II Advanced management and configuration suits Supports RAID level 0, 1, 5, 6, 10, 50 and 60 256MB or 512MB cache optional with BBU saved Offers advanced MegaRAID functionality to integrated LSI SAS Robust SAS/SATA RAID Solution Keeping electronic data online and available is essential to running a successful business. Making sure that data is protected – while remaining instantly accessible – requires faster, smarter solutions. The " RAID 5/6 SAS based on LSI MegaRAID" RAID controller, based on the second generation SAS RAID platform from LSI, addresses these demands and boasts being the most powerful internal RAID solution we’ve offered to date. The RAID adapter features the LSI SAS1078 IC, a powerful I/O storage engine that transparently performs all the data protection, data checking, and restoration tasks. System builders can attach up to 12 disks (controller supports up to 240 disks); choose high performance SAS disks or high capacity SATA drives – or a combination of both – for greater system design flexibility. Finally, this adapter is available with two different cache sizes (256MB or 512MB), with a battery backup options for each version. Attention: When mixing SAS and SATA drives also the configurationen guideline of the system has to be taken into account.
RAID 6, Advanced Data Protection The RAID controller supports all key RAID levels including RAID 6 and 60. RAID 6 tolerates two simultaneous failures, and thus the ability to manage unrecoverable media errors during rebuilds. This is particularly useful when using lots of ports high-capacity, lower-cost SATA disk drives. Check consistency and Patrol Read, advanced background sentry services that find and fix bad media blocks on disk drives, offer critical-business applications unparalleled data protection capabilities. RAID performance The RAID controller offers maximum I/O performance and data throughput by leveraging a stable and proven RAID firmware based on LSI MegaRAID ®. Through support for 64-bit addressing, a robust RAID feature set, and advanced fault tolerance capabilities, the controller delivers high RAID performance and data availability. Powerful online management utilities (FSC's ServerView RAID) that are easy to use and quick to install allow administrators unequalled array flexibility and accessibility. Optional BBU Support The optional battery-backup module protects the integrity of the cached data on the RAID controller by providing backup power if there is a complete AC power failure or a brief power outage. The battery backup units provide an inexpensive alternative to using an uninterruptible power supply (UPS).
Data Sheet ⏐ Issue: June 5, 2008⏐ PRIMERGY Modular RAID Controller "RAID 5/6 SAS based on LSI MegaRAID"
Controller specifications Processor PCI Cache Battery Backup Unit
Drives per controller
Fault Tolerant RoC (RAID on Chip) LSI SAS1078 PCI Express, x4 lane width 256MB DDR II SDRAM or 512MB DDR II SDRAM with ECC optional BBU for up to 72 hour data retention (required a mounting area in the system cabinet) 8 direct attached 12 with SAS expander
PCI
Power Requirements
card: low profile, half length (16,0cm x 6,5cm) bracket: full height and low profile bracket available PCI Express, x8 lane connector, 4 lanes routed PCI Express Rev 1.0a +3.3 V (1,0A TPD, 1,6A max) +12 V (0,95A TPD, 1,1A max)
SAS specification
two SAS SFF8087 internal SAS connector (mini SAS) each x4 SAS wide port
3Gb/s throughput per port (1.200MB/s on x4 wide port) max. capacity per array: max. capacity per LUN:
greater than 2 TB 2 TB
RAID Fault Tolerant- and Flexibility-Features
RAID levels 0, 1, 5, and 6 RAID Spans 10, 50 and 60 Online Capacity Expansion (OCE) (only supported with one logical drive per RAID array) Online RAID level migration (RLM) Variable Stripe Size for all logical drives Fast initialization for quick array setup Advanced error recognition of drives (Patrol Read) Background initialization for RAID 1, 5, 10, 50, 6 and 60 Several logical drives per RAID cluster possible Hot spare dives configurable Independent cache administration method per logical drive ° Write-back/Write-through ° °
COD – Configuration on disk and NVRAM Auto detection of failed drives Automatic rebuild of hot-plug drives optional Battery Backup cache memory Support for SAT-TE enclosure management S.M.A.R.T monitoring
Supported Operating Systems
Technical specifications Dimension
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Microsoft Windows 2003 Server Microsoft Windows 2008 Server (geplant) Novell Linux SLES9 / 10 Red Hat Enterprise Linux 4 / 5 VMware ESX 3.x
Compliance with Norm and Standards Product safety Global Europa USA / Kanada Europa
IEC 60950 EN 60950 CSA 60950 CAN 60950
Electro magnetic compatibility Europa Taiwan Japan Australien USA / Kanada
EN55022, EN55024 BSMI Klasse A VCCI C-tick FCC Teil 15 Klasse A, ICES-003
Conformity process Europa (CE) EN Klasse A Nordamerika FCC Klasse A There is general compliance with the safety requirements of all European countries and North America. National approvals required in order to satisfy statutory regulations or for other reasons (e.g. for Canada and USA, East European countries, Norway), can be applied for on request.
Read-ahead: Disable / Enable / Adaptive Cached I/O / Direct I/O up to 64 Logical drives per controller
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