IBM XIV User Manual

PERF_CLASS_RESOURE_EXHAUSTION
Severity warning
Description Exhausted all allowed resources for performance
classes on Module Id, BUSY until resources
available.
CONNECTED_HOSTS_LIMIT_REACHED
Severity informational
Description Number of connected Hosts was reached for port
'port_id' in Module Module Id.
QoS_HAS_BEEN_TRIGGERED
Severity informational
Description Queues on port 'port_id' in Module Module Id
caused QoS to be activated.
INODE_CONNECTED_TO_ALL_CACHES
Severity informational
Description Interface 'node_id' is connected to all cache nodes.
IO_FAILURES_TO_ALL_CACHES
Severity warning
Description Interface node #Node got bad statuses from all
caches during the last failure_duration seconds (last
failure_count IOs) and therefore killed itself.
PERF_CLASS_RATE_AT_LIMIT
Severity informational
Description Performance class 'perf_class'onModule Id reached
its limit of Limit Limit Name, IOs being throttled.
PARTIAL_WRITE
Severity warning
Description Interface node #Node reports partial write to
volume 'volume'onlbalba, primary
failed=primary_failed, secondary
failed=secondary_failed, remote failed=remote_failed.
PORT_PREP_FOR_UPGRADE_TIMED_OUT
Severity warning
Description Preparation of port_type port 'local_port_name' for
hot-upgrade timed out due to host 'host_name'
port 'host_port_name'host_port_addr
614 IBM XIV Storage System User Manual

IBM XIV Specifications

General

Power Supply	Redundant power supplies
Drive Type	SATA
Redundancy	Fully redundant components
Connectivity	Fibre Channel, iSCSI
Form Factor	Rack-mounted
Cache	Distributed cache across modules
Data Protection	Snapshots, remote mirroring
Performance	High throughput and low latency
Scalability	Modular, scale-out architecture
Cooling	Redundant cooling
Architecture	Grid-based, distributed architecture