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Infortrend
B-6
S.M.A.R.T. Support:
Copy & Replace Drive
Supported. User can choose to clone a member drive
before drive failure.
Drive S.M.A.R.T. Support
Supported, with intelligent error handling
implementations.
User selectable modes for
S.M.A.R.T.
1. Detect only
2. Perpetual Clone on detection of S.M.A.R.T. condition
3. Clone + Replace
Redundant Controller:
Active-active redundant
controller
Supported
Synchronized cache
Supported. Through single or redundant, dedicated
synchronizing channels. Synchronized cache over Fibre
loops is supported.
Synchronized cache can be disabled when using write-
through mode in redundant controllers to prevent
performance trade-offs.
Write-back cache
enabled in redundant
controller mode
Yes; with synchronized cache connection between
controllers.
Automatic Failover
Yes for all PowerPC controllers (user's interaction
necessary)
Automatic Failback
Yes for all PowerPC controllers (user's interaction
necessary)
Fibre channel redundant
controller
Supported.
Controller Hot-Swap
!
No need to shut down the failed controller before
replacing the failed controller. (Customer's design-in
hot-swap mechanism necessary)
!
Support on-line hot-swap of the failed controller.
There is no need to reset or shutdown the failed
controller. One controller can be pulled out during
active I/Os to simulate the destructive controller failure.
(Customer's design-in hot-swap mechanism
necessary)
Redundant Controller
Communication channel
SentinelRAID: SCSI; RCC Reset signals built-in
EonRAID: Fibre channel(s); RCC cable necessary
Parity Synchronization
in redundant controller
write-back mode to
avoid write-hole
Supported.