Supported Storage Expansion Enclosure Configurations And Intermix Combinations; Storage Expansion Enclosure Configurations For Ds4300 Dual-Controller Turbo Models Only - IBM TotalStorage DS4300 Installation, User's, And Maintenance Manual

Supported storage expansion enclosure configurations and intermix
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Although the DS4300 Storage Subsystem supports various types of DS4000
storage expansion enclosures, not all combinations of these supported storage
expansion enclosures are possible or supported as storage expansion enclosures
intermixed within a DS4300 Storage Subsystem configuration. In addition, if you
intermix storage expansion enclosures with SATA and FC drives within a DS4300
Storage Subsystem configuration, an FC/SATA intermix premium feature must be
purchased for that DS4300 Storage Subsystem. For additional information about
Intermix configurations, see the IBM TotalStorage DS4000 Fibre Channel and Serial
ATA Intermix Premium Feature Installation Overview (GC26-7713-01).
For the DS4300 dual-controller standard model, the maximum number of storage
expansion enclosures in a DS4300 drive loop is three no matter what type of
storage expansion enclosures used or whether there is a mix of 14-drive and
16-drive storage expansion enclosure in the drive loop or not when the three
expansion attachment entitlement was purchased. Otherwise, the maximum number
of storage expansion enclosures in the drive loop is equaled to the number
indicated in the purchased storage expansion enclosure attachment entitlement
(one or two).
For the DS4300 dual-controller Turbo model, the maximum number of storage
expansion enclosures in a DS4300 drive loop depending on whether the atttached
storage expansion enclosures are of 14-drive enclosures or 16-drive enclosures
only or of a combination of the 14-drive or 16-drive enclosures. Table 9 shows the
maximum number of enclosures in a DS4300 drive loop for various supported
DS4000 storage expansion enclosures, as well as the maximum number of
enclosures in the drive loop when intermixing supported enclosure models.
Table 9. Storage expansion enclosure configurations for DS4300 dual-controller Turbo
models only
EXP100
Maximum 7 (or 8
number of
enclosures in a
DS4300 drive
loop
Maximum 7
number of
enclosures in a
DS4300 drive
loop when
intermixing with
EXP700
Maximum 7
number of
enclosures in a
DS4300 drive
loop when
intermixing with
EXP100
EXP700
2
) 7
7
7
Chapter 3. Cabling the storage subsystem
EXP710 EXP810
3
7 6 (or 7
7 Not supported
7 6
)
1
47