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Cheetah 15K.6 FC Product Manual, Rev. C
3.1
Standard features
Cheetah 15K.6 FC drives have the following standard features:
• 4-Gbit Fibre Channel interface
• Integrated dual port FC-AL controller
• Concurrent dual port transfers
• Support for FC arbitrated loop, private and public attachment
• Differential copper FC drivers and receivers
• Downloadable firmware using the FC-AL interface
• Supports SCSI enclosure services via interface connector
• 128-deep task set (queue)
• Supports up to 32 initiators
• Drive selection ID and configuration options are set on the FC-AL backpanel or through interface com-
mands. Jumpers are not used on the drive.
• Supports SCSI Enclosure Services through the interface connector
• Fibre Channel worldwide name uniquely identifies the drive and each port
• User-selectable logical block size
(512, 520, 524, or 528 bytes per logical block)
• Selectable frame sizes from
256 to 2,112 bytes
• Industry standard 3.5-inch low profile form factor dimensions
• Programmable logical block reallocation scheme
• Flawed logical block reallocation at format time
• Programmable auto write and read reallocation
• Reed-Solomon error correction code
• Sealed head and disc assembly (HDA)
• No preventive maintenance or adjustments required
• Dedicated head landing zone
• Automatic shipping lock
• Embedded Grey Code track address to eliminate seek errors
• Self-diagnostics performed at power on
• Zone bit recording (ZBR)
• Vertical, horizontal, or top down mounting
• Dynamic spindle brake
• 16,384 Kbyte data buffer (see Section 4.5)
• Embedded servo design
• Reallocation of defects on command (Post Format)
• Fibre Channel interface transports SCSI protocol
Cheetah 15K.6 FC FDE models have the following additional features :
• Automatic data encryption/decryption on all write and reads to and from the media
• Cryptographic erase of user data for a drive that will be repurposed or scrapped
• Two independent data bands which each have it’s own ownership credential and encryption key
• Authenticated firmware download
Summary of Contents for Cheetah 15K.6 FC ST3146356FC
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Page 34: ...28 Cheetah 15K 6 FC Product Manual Rev C Figure 1 Typical ST3450856FC current profiles...
Page 35: ...Cheetah 15K 6 FC Product Manual Rev C 29 Figure 2 Typical ST3450056FC current profiles...
Page 36: ...30 Cheetah 15K 6 FC Product Manual Rev C Figure 3 Typical ST3300656FC current profiles...
Page 37: ...Cheetah 15K 6 FC Product Manual Rev C 31 Figure 4 Typical ST3300056FC current profiles...
Page 38: ...32 Cheetah 15K 6 FC Product Manual Rev C Figure 5 Typical ST3146356FC current profiles...
Page 39: ...Cheetah 15K 6 FC Product Manual Rev C 33 Figure 6 Typical ST3146756FC current profiles...
Page 45: ...Cheetah 15K 6 FC Product Manual Rev C 39 Figure 11 Recommended mounting Z Y X Z Y X...
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