IBM XIV User Manual

Id Name Default Position
proxy Proxy N/A
capacity Capacity (blocks) N/A
modified Modified N/A
sg_name Snapshot Group Name N/A
delete_
priority
Deletion Priority N/A
locked Locked N/A
serial Serial Number N/A
snapshot_time Snapshot Creation Time N/A
snapshot_time_
on_master
Master Copy Creation Time N/A
snapshot_
internal_role
Snapshot Internal Role N/A
snapshot_of Snapshot of N/A
sg_snapshot_of Snapshot of Snap Group N/A
wwn WWN N/A
mirrored Mirrored N/A
locked_by_pool Locked by Pool N/A
used_capacity Used Capacity (GB) 7
used_capacity_
MiB
Used Capacity (MiB) N/A
short_lived_io Short Live IO N/A
enable_VAAI VAAI enabled N/A
user_disabled_
VAAI
VAAI disabled by user N/A
snapshot_
format
Snapshot Format N/A
ssd_caching SSD Caching State N/A
use_ssd_
caching_
default
Use SSD Caching Default State N/A
unmap_support Unmap Support N/A
managed Managed N/A
enable_unmap unmap enabled N/A
user_disabled_
unmap
unmap disabled by user N/A
marked Marked N/A
Example:
vol_by_id id=59
Chapter 3. Volume Management
41

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