7:40 AM - 08/10/2007 by
Patrick Schmid
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| Manufacturer | Adaptec | Atto | ICP | Raidcore |
|---|---|---|---|---|
| Model | RAID 3805 | ExpressSAS R348 | ICP 5085BL | RC5252-8 |
| Internal connectors | 2x SFF 8087 | 2x SFF 8087 | 2x SFF 8087 | 2x SFF 8087 |
| External connectors | Na | 1x SFF 8088 | na | na |
| Total SAS Ports | 8 | 8 | 8 | 8 |
| Cache | 128 MB DDR2 ECC | 256 MB DDR2 ECC | 256 MB DDR2 ECC | None |
| Interface | PCI Express x4 | PCI Express x8 | PCI Express x4 | PCI Express x4 |
| XOR Engine | Intel 80333
500 MHz |
IOP 348
800 MHz |
Intel 80333
800 MHz |
software |
| RAID Level Migration | Yes | yes | Yes | |
| Online Capacity Expansion | Yes | yes | yes | Yes |
| Multiple RAID Arrays | Yes | yes | yes | Yes |
| Staggered Spin-up | Yes | yes | Yes | |
| Flexible Hot Spare Support | Yes | yes | yes | Yes |
| Automatic Failover | Yes | yes | ||
| Battery Backup Unit | Optional | optional | optional | not needed, no cache |
| FAN | no | no | no | No |
| Supported OS | Windows 2000, XP, Server 2003, Vista
Red Hat Enterprise Linux (RHEL) SUSE Linux Enterprise Server (SLES) Novell NetWare 6.5 SCO OpenServer UnixWare Sun Solaris 10 x86 FreeBSD |
Windows Vista, Server 2003, XP, 2000
Mac OS X (10.4.x) Linux (Fedora, Red Hat and SuSE) |
Windows 2000, XP, Server 2003, Vista
Red Hat Enterprise Linux (RHEL) SUSE Linux Enterprise Server (SLES) Novell NetWare 6.5 SCO OpenServerUnixWare Sun Solaris 10 x86 FreeBSD |
Windows 2000, XP, Server 2003, Vista
Red Hat Enterprise Linux (RHEL) 4,5 SuSE 9.3, 10.1, 10.2 SUSE Linux Enterprise Server (SLES) Fedora Core 5,6 |
| Other | Copyback | DVRAID | Copyback | Controller Spanning |
| Warranty | 3 years | 2 years | 3 years | 3 years |
| MSRP | $575.00 | $1,095.00 | $650.00 |
Test Setup
| System Hardware | |
|---|---|
| Processors | 2x Intel Xeon Processor (Nocona core)
3.6 GHz, FSB800, 1 MB L2 Cache |
| Platform | Asus NCL-DS (Socket 604)
Intel E7520 Chipset, BIOS 1005 |
| RAM | Corsair CM72DD512AR-400
(DDR2-400 ECC, reg.) 2x 512 MB, CL3-3-3-10 Timings |
| System Drive | Western Digital Caviar WD1200JB
120 GB, 7.200 RPM, 8 MB Cache, UltraATA/100 |
| Mass Storage Controller | Intel 82801EB UltraATA/100 Controller (ICH5)
Promise SATA 300TX4 Promise FastTrak TX4310 |
| Driver | 2.06.1.310 |
| Network interface | Broadcom BCM5721 On-Board Gigabit Ethernet NIC |
| Graphics | On-Board Graphics
ATI RageXL, 8 MB |
| Benchmarks | |
| Performance Measurements | Atto Diskmark |
| I/O-Performance | IOMeter 2003.05.10
Fileserver-Benchmark Webserver-Benchmark Database-Benchmark Workstation-Benchmark |
| System, Software & Drivers | |
| OS | Microsoft Windows Server 2003 Enterprise Edition, Service Pack 1 |
| Platform Driver | Intel Chipset Installation Utility 7.0.0.1025 |
| Graphics Driver | Default Windows Graphics Driver |
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...well,
- Unless RaidCore is trying to peddle their VST Pro software,...aka as Fulcrum proprietary based ? which BTW you said no to, I don't see any advantages here.
Why?, ZFS is free !
And, where are the Drives for Solaris, or the xBSD's , or even MacOSX !!!?
-and still no, becuase their newer 54xx series doesn't support the other 'ix OS's.
Nope, unfortunately, not much to see here.
so, based on the above, Adaptec 5805,... or Areca,... blows this.
-Rikster
I think this paragraph has an error. I believe it should read
For SAS, the two connector segments were merged, which makes it possible to attach a SATA drive to a SAS controller using the continuous connector, but you cannot hook up a SAS hard drive to a SATA controller using the SATA connector (SFF 8482).
In fact I believe the statement should have less emphasis on the connector as its the actual controller that appears to limit the connectivity, the connector is just keyed to allow you to plug SATA drives into SAS but not the other way around.
from wikipedia: "SATA 3.0 Gbit/s drives may be connected to SAS backplanes, but SAS drives may not be connected to SATA backplanes."
I believe the fact that signaling voltages are nearly double on a SAS drive is significant to mention.
Let me know if I am wrong, I just started playing around with a bunch of SAS drives so I am figuring this out as I go.