HP Xw6400 Workstation RAID Support

HP Xw6400 - Workstation - 4 GB RAM Manual

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  • HP Xw6400 | Workstation RAID Support - Page 1
    Workstation RAID Support Mini-White Paper xw4400 RAID Support (Windows)...2 xw6400 RAID Support (Windows)...3 xw8400 RAID Support (Windows)...4 xw9400 RAID Support (Windows)...5 RAID 0 Arrays (Striped) ...6 RAID 1 Arrays (Mirrored)...7 RAID 10 Arrays (Striping and Mirroring 8 RAID 5 Arrays (Parity)
  • HP Xw6400 | Workstation RAID Support - Page 2
    RAID Support (Windows) Boot RAID 0 SATA Motherboard & System Capability Factory Integration 2-4 HDD3 2-4 HDD3 SAS Controller & System Capability Factory Integration 2-4 HDD1,2,3 2-4 HDD1,2,3 Boot RAID 1 Boot RAID 5 2 HDD 3-4 HDD3 Boot RAID 10 SATA Boot w/SATA Data 0 SATA Boot w/SAS
  • HP Xw6400 | Workstation RAID Support - Page 3
    xw6400 RAID Support (Windows) Boot RAID 0 SATA Motherboard & System Capability Factory Integration 2-3 HDD 2 HDD SAS Controller1 & System Capability Factory Integration 2-3 HDD 2 HDD Boot RAID 1 2 HDD 2 HDD 2 HDD 2 HDD Boot RAID 5 3 HDD No No No Boot RAID 10 No No No No
  • HP Xw6400 | Workstation RAID Support - Page 4
    xw8400 RAID Support (Windows) Boot RAID 0 SATA Mobo & System Capability Factory Integration Mobo & System Capability SAS Controller1 & System Capability 2-4 HDD2 2-4 HDD2 2-4 HDD2 2-4 HDD2 Factory Integration 2-4 HDD2 Boot RAID 1 Boot RAID 5 Boot RAID 10 SATA Boot w/SATA Data 0 SATA Boot
  • HP Xw6400 | Workstation RAID Support - Page 5
    RAID Support (Windows) Boot RAID 0 SATA Mobo & System Capability Factory Integration Mobo & System Capability SAS Controller1 & System Capability 2-4 HDD2 2-4 HDD2 2-4 HDD2 2-4 HDD2 Factory Integration 2-4 HDD2 Boot RAID 1 Boot RAID 5 Boot RAID 10 SATA Boot w/SATA Data 0 SATA Boot w/SAS
  • HP Xw6400 | Workstation RAID Support - Page 6
    16 Drive A Drive B Physical Drives • Raid 0=Striped • Data is interleaved among the physical disks o Data writes and reads are parallel o Offering maximum hard disk performance • All physical space is available (for example, two 40GB drives shown as one 80GB volume in OS) • Single hard drive
  • HP Xw6400 | Workstation RAID Support - Page 7
    Block 5 Block 6 Block 7 Block 8 Drive A Drive B Physical Drives • RAID 1 = Mirror • Data is written to two physical drives in real time • On single disk failure - no system downtime All data immediately available from other drive • Duplicate drive rebuilt upon replacement • Physical space is cut
  • HP Xw6400 | Workstation RAID Support - Page 8
    Size = Half of total physical capacity RAID 10 = Stripe + Mirror •Provides read performance of RAID 0 •Protects against single HDD failure •Provides write performance of RAID 1 •Requires minimum of four drives Data written to all drives as multiple mirrored arrays Mirrored Array Mirrored
  • HP Xw6400 | Workstation RAID Support - Page 9
    A Drive B Physical Drives Drive C • RAID 5 = parity • Failed drive is rebuilt from parity data • Very high read performance • High system overhead for writes • Requires minimum of three drives • Summary o Better performance than a single drive o Inexpensive redundancy © 2006 Hewlett-Packard
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Workstation RAID Support
Mini-White Paper
xw4400 RAID Support (Windows)
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2
xw6400 RAID Support (Windows)
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3
xw8400 RAID Support (Windows)
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4
xw9400 RAID Support (Windows)
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5
RAID 0 Arrays (Striped)
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6
RAID 1 Arrays (Mirrored)
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7
RAID 10 Arrays (Striping and Mirroring)
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8
RAID 5 Arrays (Parity)
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8
RAID 5 Arrays (Parity)
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