The DS3500 was initially shipped with controller firmware version 7.70.16.01. With
controller firmware version 7.77.xx.xx, the following capabilities and support are
available:
v Standard feature extended capabilities added with controller firmware version
7.77.xx.xx:
– The number of supported logical drives per subsystem is increased to 512
from 256.
– The number of logical drives that can be assigned to a host partition is
increased to 256 from 32.
v Premium feature extended capabilities added with controller firmware version
7.77.xx.xx:
– The number of drives per subsystem can be increased to 192 from 96. To
obtain this optional capability, you must purchase a 96 to 192 drive expansion
premium feature.
– The number of host partitions supported per subsystem can be increased to
128 from 64. To obtain this optional support, you must purchase the
appropriate host partition upgrade premium feature for the currently enabled
4, 8, 16, 32 or 64 host partitions.
– The number of FlashCopy logical drives per subsystem is increased to 256
from 64. To obtain this capability, you must purchase a FlashCopy premium
feature. No additional purchase is required.
– The number of VolumeCopy logical drives per subsystem is increased to 256.
To obtain this optional capability, you must purchase a VolumeCopy premium
feature. No additional purchase is required.
– The number of remote mirroring logical drives can be increased to 16 from 8.
To obtain this optional support, you must purchase an 8 to 16 mirrors
upgrade premium feature in addition to the standard remote mirroring
premium feature.
v Hardware support added with controller firmware version 7.77.xx.xx:
– 10 Gbps iSCSI host card
– DS3524 model with DC power supplies
v The controller firmware version 7.83.xx.xx supports the following features:
– Dynamic disk pooling
– Thin provisioning
– Enhanced FlashCopy
– ALUA fail-over method
v The controller firmware version 7.84.xx.xx supports the following features:
– Disaster Recovery Option (Enhanced FlashCopy)
– Backup & Restore Option (Remote Mirroring and Enhanced Remote
Mirroring)
– Performance Read Cache
– Super Key (this key activates all features)
v In addition to supporting the above features, controller firmware version
7.86.xx.xx supports the following hard disk feature:
– T10 Protection Information (T10 PI or T10PI).
For instructions to install the DS Storage Manager V10.77 or earlier, see the IBM
System Storage DS Storage Manager Version 10 Installation and Host Support Guide. For
instructions to install the DS Storage Manager V10.83 or later, see the IBM System
Storage DS Storage Manager Version 10.8 Installation and Host Support Guide.
16 IBM System Storage DS3500 and EXP3500 Storage Subsystem: Installation, User's, and Maintenance Guide
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