Storagesystem management. Bull a DAS Installation (Fibre Channel Environments)
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6
Storage-system management
This chapter explains the management applications you can use to manage storage systems from servers. Topics are
•
Managing shared or unshared storage systems using Navisphere ®
Manager software
•
Managing unshared storage systems using Navisphere Supervisor software
•
Monitoring DAE-only storage systems (JBODs)
•
Storage management worksheets
Navisphere software lets you bind and unbind disks, manipulate caches, examine storage-system status and logged events, transfer control from one
SP to another, and examine events recorded in storage system event logs.
Navisphere products have two parts: a graphical user interface (GUI) and an Agent. The GUIs run on a management station, accessible from a common framework, and communicate with storage systems through a single Agent application that runs on each server. The management station and server are often separate systems, but they need not be; that is, you can run one or more GUIs and an agent on one server. The Navisphere products are
• Navisphere Manager, which lets you manage multiple storage systems on multiple servers simultaneously; Navisphere Manager is required for shared storage and optional for unshared storage.
• Navisphere Supervisor software, which lets you manage one storage system on one server at a time, which is included with each storage system. Navisphere Supervisor supports unshared storage systems only.
• Navisphere Analyzer, which lets you measure, compare, and chart the performance of SPs, LUNs, and disks.
• Navisphere Integrator, which provides an interface between Navisphere products and HP OpenView and Tivoli.
• Navisphere Event Monitor, which checks storage systems for fault conditions and can notify you and/or customer service if any fault condition occurs.
• Navisphere Agent, which is included with each storage system, and
Navisphere CLI (Command Line Interpreter), which lets you bypass the
GUIs and issue commands directly to storage systems.
6-1
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Managing shared or unshared storage systems using Navisphere Manager software
Managing shared or unshared storage systems using
Navisphere Manager software
Navisphere Manager software (Manager) lets you manage multiple storage systems connected to servers on a TCP/IP network. Manager offers extensive management features and includes comprehensive on-line help.
Manager is required for shared storage and optional for unshared storage.
Manager runs on a management station which is a Windows NT ® host. The servers connected to a storage system can run Windows NT or one of several
UNIX ® operating systems. With shared storage, servers connected to the
SAN can run different operating systems; with unshared storage, servers connected to the same storage system must run the same operating system.
Another software component for shared storage or other high-availability storage systems is Application-Transparent Failover (ATF). ATF is a software product that works with shared storage or other high-availability storage systems to let applications continue running after the failure in the path to a LUN. If a host-bus adapter, switch, hub, SP, or cable fails, ATF can automatically route I/O to the LUNs the applications need.
The following figures show Navisphere Manager in shared and unshared environments.
Sample shared environment (SAN) with Navisphere Manager
File Server
Management station and server
Operating system A
Navisphere
Manager
Navisphere
Agent
ATF
Mail Server
Management station and server
Operating system A
Navisphere
Manager
Navisphere
Agent
ATF
Switch
Database Server
Operating system B
Navisphere
Agent
ATF
Production Server
Operating system C
Navisphere
Agent
ATF
Network
Switch
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Managing unshared storage systems using Navisphere Supervisor software
Sample unshared environment with Navisphere Manager
Accts Server
Management station and server
Operating system A
Navisphere
Supervisor
Navisphere
Agent
Database Server
Operating system B
Navisphere
Agent
Development Server
Management station and server
Operating system C
Navisphere
Supervisor
Navisphere
Agent
Network
Managing unshared storage systems using Navisphere
Supervisor software
Navisphere Supervisor software, like Manager, consists of a graphical user interface, called Supervisor, and a storage-system agent, called the
Navisphere Agent — the same Agent used by Manager. However,
Supervisor software lets you manage only one storage system at a time.
The sample management environment below shows a Windows NT server that is both a manager and an agent. You can use this server to manage its own storage system and/or to manage the storage systems on the other server with agents.
Sample unshared environment with Navisphere Supervisor
Accts Server
Management station and server
Operating system A
Navisphere
Supervisor
Navisphere
Agent
Database Server
Operating system B
Navisphere
Agent
Development Server
Management station and server
Operating system C
Navisphere
Supervisor
Navisphere
Agent
Network
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6-3
Monitoring DAE-only storage systems (JBODs)
Monitoring DAE-only storage systems (JBODs)
With a DAE-only (JBOD) system, you can monitor status with Navisphere
Manager or Supervisor. To create LUNs of different RAID types, you must use the software RAID utility designed for the operating system.
Storage management worksheets
This section includes two worksheets: one for shared storage and one for unshared storage. The following worksheet will help you plan your storage system management environment. For each host, complete a section.
For the shared storage worksheet, complete the management station hostname and operating system; then decide whether you want the
Navisphere Analyzer and/or Event Monitor and, if so, mark the appropriate boxes. Then write the name of each managed server, with operating system, storage group, and configuration access specification. You can copy much of the needed information from the LUN and Storage Group planning
Management Utility Worksheet – Shared Storage
Management station hostname:___________________Operating system:_______________
Software: V Navisphere Manager/Navisphere Agent V Navisphere Analyzer V Navisphere Event Monitor
List all the servers this host will manage. Each managed server must run an Agent and ATF software of the same type as its operating system.
Server: Op sys:
Server:
Server:
Server:
Server:
Server:
Server:
Server:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
Management station hostname:___________________Operating system:_______________
Software: V Navisphere Manager/Navisphere Agent V Navisphere Analyzer V Navisphere Event Monitor
List all the servers this host will manage. Each managed server must run an Agent and ATF software of the same type as its operating system.
Server: Op sys:
Server:
Server:
Server:
Server:
Server:
Server:
Server:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Op sys:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
Storage Group number or name:
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
V Config Access
6-4
014-002912-01
Storage management worksheets
For unshared storage, for each host, choose a Navisphere product. The host may be a management station that is not a server (complete only the
Manager section); it may be a management station that is a server
(complete the Manager section and mark the Agent box), or it may be a server (mark the Agent box).
Management Utility Worksheet – Unshared Storage
Hostname: Operating system:
Storage system type: V DPE-based V iDAE-based V 30-slot SCSI disk
Software: V Navisphere Manager and Navisphere Agent V Navisphere Supervisor and Navisphere Agent
List all the servers this host will manage. Each managed server must run an Agent of the same type as its operating system.
Server: Oper sys: Server: Oper sys:
Server:
Server:
Server:
Oper sys:
Oper sys:
Oper sys:
Server:
Server:
Server:
Oper sys:
Oper sys:
Oper sys:
Hostname: Operating system:
Storage system type: V DPE-based V iDAE-based V 30-slot SCSI disk
Software: V Navisphere Manager and Navisphere Agent V Navisphere Supervisor and Navisphere Agent
List all the servers this host will manage. Each managed server must run an Agent of the same type as its operating system.
Server: Oper sys: Server: Oper sys:
Server:
Server:
Server:
Oper sys:
Oper sys:
Oper sys:
Server:
Server:
Server:
Oper sys:
Oper sys:
Oper sys:
Hostname: Operating system:
Storage system type: V DPE-based V iDAE-based V 30-slot SCSI disk
Software: V Navisphere Manager and Navisphere Agent V Navisphere Supervisor and Navisphere Agent
List all the servers this host will manage. Each managed server must run an Agent of the same type as its operating system.
Server: Oper sys: Server: Oper sys:
Server:
Server:
Oper sys:
Oper sys:
Server:
Server:
Oper sys:
Oper sys:
Server: Oper sys: Server: Oper sys:
014-002912-01
6-5
Index
Within this index, a range of page numbers indicates that the reference spans those pages.
Numerics
30-slot SCSI-disk storage systems
disk structure example
physical disk structure example
site requirements 5-15 weight 5-15
A ac power requirements
30-slot SCSI-disk systems 5-15
application planning
application worksheet, completing
applications, sample. for RAID groups 2-14
application-transparent failover (ATF)
disk-array storage system
interface kit
B basic configuration
C
cabinets for rackmount storage systems 5-16
cabling
cache
communication with storage system,
configurations
error recovery features
LUN and file system
RAID
server and storage system
shared storage
storage system
basic 4-2 dual-adapter/dual-SP 4-2
tradeoffs
unshared storage
cooling requirements, cabinet 5-16
copper cable, types and sizes 5-18
CRUs (customer-replaceable units) locating 5-6
D
DAE-only storage systems
site requirements 5-14 weight 5-14
device name, operating system 3-13, 4-18
disk configuration types
see RAID group
shared storage
014-002912-01
Index-1
Index disk (continued)
Disk Array Enclosure (DAE)
disk module(s)
IDs
full-fibre system 3-2, 4-5
disk unit number on worksheet 3-6, 3-11,
disk-array storage system
types
DPE storage systems
dimensions 5-12 site requirements 5-12 weight 5-12
dual-adapter/dual-SP configuration
dual-initiator/dual-loop configuration
disk structure example 4-6–4-7
dual-ported disk
as function of dual SPs 5-3, 5-7
dual-server configurations
disk structure example 4-6–4-7
E enclosure address (EA)
error recovery features
F
Fibre Channel
file system
worksheet
footprint
30-slot SCSI-disk systems 5-15
G
GBIC (Gigabit Interface Converter), about 1-4
see hot spare
GUI (in storage-system management utilities) 6-2
H hardware
planning worksheets
heat dissipation
30-slot SCSI-disk systems 5-15
height
30-slot SCSI-disk systems 5-15
high availability options
high-availability features, see
error recovery features
server host-bus adapter (HBA)
hot spare
hub
sample hardware worksheet 5-26
I iDAE storage systems
dimensions 5-13 site requirements 5-13 weight 5-13
RAID 5 group
Index-2
014-002912-01
individual disk unit
cables, hubs, switches 1-3 interface kit 1-3
L
LCC (link control card)DPE storage system 5-6
see file system
LUN (logical unit) configurations
individual disk
RAID 0
RAID 1/0 group
RAID 3 group
RAID 5 group
shared storage
unshared storage
worksheets 3-9–3-11, 4-14–4-16
number on worksheet 3-6, 3-11, 4-10,
M
MIA (media interface adapter), about 1-3
see RAID 1 mirrored pair
RAID 1/0 group
Index
N
Navisphere Manager utility 6-1
see RAID 0 group
O operating system
device name for disk unit 3-13, 4-18
optical cable, types and sizes 5-18
P
RAID 3 group
see LUN (logical unit)
LUN (logical unit)
planning, LUNs and file systems 3-4
plant requirements
30-slot SCSI-disk systems 5-15
power requirements
30-slot SCSI-disk systems 5-15
power supplies (PSs)
R
rackmount model, DPE storage system 5-2
RAID group configurations
types and tradeoffs, 2-1; see also
RAID groups types and tradeoffs, 2-1;
014-002912-01
Index-3
Index
RAID 0 group
RAID 1 mirrored pair
RAID 1/0 group
RAID 3 group
RAID 5 group
redundant array of independent disks
RAID group
S server
configurations
connection to storage system, see
cabling dual-server configuration
planning worksheet
unshared configurations
service clearance
shared storage systems
hardware
single-server configurations
site requirements
30-slot SCSI-disk systems 5-15
size
SP (storage processor)
SPS (standby power supply), DPE storage system 5-6
sstorage components 5-1
storage managment worksheets 6-4
storage system caching
configurations
basic 4-2 dual-adapter/dual-SP 4-2
storage-system caching, as feature 5-8
stripe
switch
in sample shared storage configuration 3-1
T temperature requirements
30-slot SCSI-disk systems 5-15
terms
tradeoffs configuration
U unshared storage
hardware
storage system configurations 4-1
V
Index-4
014-002912-01
W weight
30-slot SCSI-disk systems 5-15
storage system installation 5-16
Index worksheet
application 3-4 completing 3-4
component planning
LUN configuration 3-9–3-11, 4-14–4-16
014-002912-01
Index-5
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Titre / Title : Bull DAS – Disk Array Storage Systems Planning a DAS Installation Fibre Channel
Environments
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Use the cut marks to get the labels.
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Planning a DAS
Installation
Fibre Channel
Environments
86 A1 94JX 04
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Planning a DAS
Installation
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Environments
86 A1 94JX 04
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Planning a DAS
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