DAS the stuff: 5 RAID units tested

By Steven Turvey, RMIT IT Test Labs
04 February 2005 04:25 PM
Tags: nexsan, promise, scsi, channel, das, fibre, t&b, hp
Specifications

Product Adaptec SANbloc EMC CLARiiON AX100 HP StorageWorks Modular Smart Array 500 G2
Company Adaptec Australia EMC HP Australia
Phone 02 8875 7874 02 9922 7888 13 13 47
Web www.adaptec.com.au www.emc.com www.hp.com.au
RRP as tested (inc GST) AU$27,990 as 1TB Dual controller unit (using 14 x 73Gb 10K drives) AU$11,455 AU$15,460.00
Capacity as tested (GB) 1022 750 1027
Price Range (inc GST) AU$17490 To AU$33190 AU$9000-AU$19,500 AU$8600 to AU$15,100
Warranty & support (includes telephone, e-mail, Web details, and hours of support) 3 years return to base (5 years on disks). 3 year on-site available 24x7 phone support (1800 number) + Web support, customer / partner installable and maintainable 3-year limited warranty next day on-site, including hardware diagnostic support, pre-failure warranty (coverage of hard drives, memory and processors). Enhancements to warranty services are available through HP Care Pack services.
RAID supported 0, 1, 0/1, 3, 5, 10, 30, 50 RAID-5 0, 1, 0+1, 5, ADG
Number of drive bays 14 bays 12 bays with 160GB or 250GB SATA drives 14 hot swap
Controller type and number Fibre channel (Dual redundant) Single SATA controller upgradeable to Dual SATA Dual Ultra320 SCSI controllers
Controller cache battery backed? Yes Yes (1GB battery backed cache) Optional battery-backed cache of 512MB (standard with 256MB cache without battery backup)
Drive type Fibre channel SCSI 160GB or 250GB SATA Intermix Ultra320 SCSI
Storage capacity min/max Min 250Gb ( 14 x 18GB drives), max 16.4TB (14 x 8 shelves x 146GB drives) 480GB (3x160GB) / 3TB (12x250GB) Min (1x36GB HDD) 36GB to Max (14x300GB HDD) 4.2TB
Type/s of server connectivity supported Dual-port 2Gb fibre channel controller Up to 16 hosts (single connect) or 8 hosts (dual connect) Dual Ultra320 SCSI channels for two hosts upgradable to support up to four hosts
Redundant power supplies? Dual redundant hot swap power supplies Dual power with dual controller option Yes, dual
Size 3RU 2RU 4RU
Other features Redundant hot-swappable components with no single point of failure system. Capability to take snapshots of volumes for backups without outages etc. Logical path management and failover. Upgradable to fibre channel connectivity, redundant data controllers

Product Nexsan ATABeast Promise Technology Vtrak 15100
Company Busi-soft Computers - Nexsan Technologies Westan
Phone 1300 888 602 +1 818 715-9111 1300 78 03 03
Web www.busi-soft.com.au
www.nexsan.com
www.westan.com.au
RRP as tested (inc GST) AU$39,979.00 AU$8822.00
Capacity as tested (GB) 8400 1120
Price Range (inc GST) AU$37,979 To AU$74,979 From AU$7590
Warranty & support (includes telephone, e-mail, Web details, and hours of support) 3-year advanced replacement (on-site and other warranty upgrades available) 3 years RTB included as standard. Business hours or 24x7 on-site warranty support available.
RAID supported 0, 1+0, 4, 5 0, 1, 3, 5, 10, 50
Number of drive bays 42 hot swap bays 15 hot swap
Controller type and number Proprietary IDE (with second auto fail over controller optional) SATA
Controller cache battery backed? Yes Yes (256MB expandable to 512MB with battery backup for up to 72 hours)
Drive type ATA Serial ATA (optional SATA to PATA adaptors available)
Storage capacity min/max 7TB / 16.8TB (with 400GB drives) Up to 5TB
Type/s of server connectivity supported Dual-port 2Gb fibre channel controller (dual controllers with auto failover optional) Dual ultra 160 SCSI (can support up to two servers)
Redundant power supplies? Three redundant hot swap power supplies Dual hot swap
Size 4RU 3RU
Other features 10/100TX port for remote management.
Scales up to 420 drives per rack (10 ATABeasts per rack). Configurable for no single point of failure.
Redundant cooling system, up two 8 VTraks can be daisy chained together on a single SCSI channel, Remote management software. E-mail notification, SNMP.

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