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Fujitsu DX400, DX8000 735 , A.14 Set Thin Provisioning Pool Parameters

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Appendix A Screen Details

> A.14 Set Thin Provisioning Pool Parameters

ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance

735 Copyright 2010 FUJITSU LIMITED

P2X0-0760-02ENZ0

A.14 Set Thin Provisioning Pool Parameters

A.14.1 Set Thin Provisioning Pool Parameters (Notification Setting) Screen

Set the thresholds of Thin Provisioning Pools on this screen.

When Resource Domains are registered in the ETERNUS DX400/DX8000 series, the displayed

Thin Provisioning Pools differ depending on the current user account.

When logged on using a Total Administrator account, all the Thin Provisioning Pools that are

assigned to Resource Domains are displayed. When logged on using a Resource Domain

Administrator account, only the Thin Provisioning Pools that are assigned to the relevant

Resource Domain, and only the Thin Provisioning Pools that are assigned to the Shared

Resource, are displayed.

When Resource Domains are not registered, all the Thin Provisioning Pools registered in the

ETERNUS DX400/DX8000 series are displayed.

Refer to "A.4.1 Thin Provisioning Pool List (Pool List) Screen" (page 676) for details about Thin

Provisioning Pool List.

■Manual setting

●Setting item

•Notice (%)

-Warning

Input the Warning (high) thresholds of Thin Provisioning Pool in percent figures (%) in the

text box (required).

Specify the threshold between 5 – 99 (%). The default setting is "90 (%)".

-Caution

Input the Warning (low) thresholds of Thin Provisio ning Pool in percent figures (%) in the

text box (can be omitted).

Specify the threshold between 5 – 80 (%). The default setting is "75 (%)".

When no thresholds are specified for the Thin Provisioning Pool, delete the parameters for

the relevant Thin Provisioning Pool.

A smaller value than the Caution threshold of the target Thin

Provisioning Pool is not allowed.

A larger value than the Warning threshold of the target Thin

Provisioning Pool is not allowed.

Contents

Main Page 3 Preface Structure of This Manual 4 Related Materials 5 Acknowledgments Abbreviations 6 Units in this Manual Administrator Privileges for Resource Domains Contents Chapter 1 Operation Screens .................................................................14 Chapter 2 Logon/Logoff ..........................................................................37 Chapter 3 Status Menu............................................................................43 Chapter 4 Getting Started Menu.............................................................78 Chapter 5 Configuration Menu ...............................................................97 Chapter 6 Settings Menu.......................................................................448 10 6.6 Remote Advanced Copy Configuration ..........................................................542 Chapter 7 Download Menu....................................................................611 Chapter 8 Remote Support Menu......................................................... 624 Chapter 9 User Accounts Menu............................................................645 Appendix A Screen Details.......................................................................669 Page Page 14 Chapter 1 Operation Screens 1.1 Initial Screen 1.1.1 Use the ETERNUSmgr Frontend Page 1.1.2 Use direct browser access to ETERNUSmgr Backend Program 1 2 3 19 1.2 Operations Menu 20 1.2.1 Status Menu 1.2.2 Getting Started Menu 1.2.3 Configuration Menu 1.2.4 Settings Menu 1.2.5 Download Menu 1.2.6 Remote Support Menu 1.2.7 User Accounts Menu Page Page 26 1.4 Screen Operations Page Page Page 30 1.5 Menus and Submenus Page Page Page Page Page Page 37 Chapter 2 Logon/Logoff 2.1 Logon 1 2 Page Page 42 2.2 Logoff 1 2 43 Chapter 3 Status Menu 3.1 Device Status 1 Page 2 Page Page Page Page Page Page Page Page Page 3 device, click the [Detail] button on the Base Rack screen. 4 5 6 58 3.2 Resource Domain List 1 2 60 3.3 RAID Group List 1 2 screen. Page Page Page 66 3.4 Thin Provisioning Pool List 1 2 List)] screen link. Page 70 3.5 Volume List 1 2 3 73 3.6 Advanced Copy Status 1 2 (1) (2) (1) (2) (1) (2) (1) (2) Chapter 4 Getting Started Menu 1 2 Page 81 4.2 RAID Group Settings Page 83 4.3 Thin Provisioning Pool Settings Page 85 4.4 Logical Volume Settings Page 87 4.5 Open-CA Settings Page Page Page Page Page Page 94 4.6 Mainframe-CA Settings Page Page 97 Chapter 5 Configuration Menu 5.1 Resource Domain Management 5.1.1 Set Resource Domain 5.1.1.1 Create Resource Domains 1 2 3 Domain name (can be omitted), and click the [Set] button. 5.1.1.2 Rename Resource Domain 1 2 3 box, and click the [Set] button. 5.1.1.3 Delete Resource Domains 1 2 5.1.2 Assign Numerical Resource 1 2 [Change] button. 3 Page 7 5.1.3 Assign Resources Page Page 5.1.3.1 Assigning RAID Group 1 2 3 (1) (2) (1) Page 5.1.3.2 Assigning Thin Provisioning Pool 2 3 (1) (2) (1) Page 5.1.3.3 Assigning Host World Wilde Name 2 3 (1) (2) (1) Page 5.1.3.4 Assigning iSCSI Host 1 2 3 (1) (2) (1) Page 5.1.3.5 Assigning Affinity Group 1 2 3 (1) (2) (1) Page 5.1.3.6 Assigning Host Response 2 3 (1) (2) (1) Page 5.1.3.7 Assigning Eco-mode Schedule 1 2 3 (1) (2) (1) Page Page 143 5.2 RAID Management 5.2.1 Create RAID Group 1 menu. 2 Page 3 Page Page Page 5.2.2 Rename RAID Group 1 Management ) in the [Configuration] menu. 2 Group, and click the [Set] button. 5.2.3 Change Controlling CM of RAID Group 1 Thin Provisioning Management) in the [Configuration] menu. 2 Selection], and click the [Set] button. Page 5.2.4 Logical Device Expansion Page 1 [Configuration] menu. 2 3 4 Page 5 Page 5.2.5 Delete RAID Group 1 2 5.2.6 Create Logical Volume The following table shows supported volume types for each device type. The following table shows supported RAID levels for each volume type in a RAID Group. Page 5.2.6.1 Create Thin Provisioning Volumes 1 2 Provisioning Volume. 3 4 5 Page 5.2.6.2 Create Non-Thin Provisioning Volumes 1 2 3 4 Page 5 Page Page 5.2.7 Set Snap Data Pool Page Page 5.2.7.1 Create SDPV 2 3 4 be created in the RAID Group. 5 Page 9 5.2.7.2 Delete SDPV 1 2 3 Page 5.2.7.3 Display a list of copy sessions and SDVs using the SDPV 2 3 5.2.7.4 Change SDPE 1 Page 5.2.8 Rename Logical Volume 1 2 Page 5.2.9 Convert Encryption Volume 201 1 2 3 4 5.2.10 Format Logical Volume Page 1 2 3 4 Page Page 5.2.11 Initialize Snap Data Volume 1 [Configuration] menu. 2 Page 5.2.12 RAID Migration Page The migration source and destination volumes cannot both be used for the following operations. Not Available: Functions that cannot be used : Functions that are not supported Volumes for each model 1 2 3 4 5 6 Page Page Page 5.2.13 Progress of RAID Migration 5.2.13.1 Check Migration Progress 1 2 5.2.13.2 Stop Migration 1 2 Page 5.2.14 LUN Concatenation Page 1 Page 4 5 6 Select the volume to remove with the radio button, and click the [Delete] button. 8 series. 9 10 5.2.15 Delete Logical Volume 1 2 Page Page Page 5.2.16 Create Hot Spare 1 2 5.2.17 Delete Hot Spare 1 2 Page 246 5.3 Thin Provisioning Management 5.3.1 Create/Extend Thin Provisioning Pool 5.3.1.1 Create Thin Provisioning Pool 2 3 Groups to be registered, and click the [Set] button. Page 4 Provisioning Pool. 5 Group, and click the [Set] button. Page Page Page 5.3.1.2 Thin Provisioning Pool Expansion 2 3 (TPP), select the Method of selecting disk, and click the [Set] button. Page 4 Provisioning Pool. 5 the RAID Group, and click the [Set] button. Page Page 5.3.1.3 Change Thin Provisioning Pool Name 2 3 click the [Rename] button. Page 5.3.2 Set Thin Provisioning Pool Parameters 1 2 Page Page 5.3.3 Format Thin Provisioning Pool 1 in the [Configuration] menu. 2 and click the [Set] button. 3 Page 5.3.4 Rename RAID Group 5.3.5 Change Controlling CM of RAID Group 5.3.6 Delete Thin Provisioning Pool 1 in the [Configuration] menu. 2 Page 5.3.9 Set Thin Provisioning Volume Parameters 1 2 5.3.10 Format Logical Volume 5.3.11 Thin Provisioning Volume Expansion 1 2 Page 5.3.12 Balance Thin Provisioning Volume Page 1 2 Page Page 5.3.13 Progress of Balance Thin Provisioning Volume Page 5.3.13.1 Checking the Progress of the Balancing TPV 1 Provisioning Management in the [Configuration] menu. 2 Page 5.3.13.2 Stopping a Balancing TPV 1 Provisioning Management in the [Configuration] menu. 2 Page Page Page 5.3.19 Register Thin Provisioning License 1 2 Page 300 5.4 Host Interface Management 5.4.1 Set CA Parameters Page 5.4.1.1 Set Connection Information of a Connection between the CA and the Host 1 host, and click the [Set] button. [Configuration] menu. 2 Page Page 3 Page Page Page Page (1) Page Page Page Page Page Page Page Page Page Page 5.4.1.2 Copy the Connection Information 1 [Configuration] menu. 2 3 Page Page Page Page 5.4.2 Set Host World Wide Name(s) 5.4.2.1 Add WWN 1 2 3 (1) (2) (3) (4) 4 Pending)] on the [Set Host World Wide Name(s) (Initial)] screen. 5 DX8000 series. 5.4.2.2 Delete WWN 1 2 4 5.4.2.3 Change Host Response 1 2 3 5.4.3 Set iSCSI Host Page 5.4.3.1 Add iSCSI Host (Retrieve iSCSI Host function used) 1 2 3 4 be made), enter the Alias name and click the [Execute] button. 5 6 7 9 5.4.3.2 Add iSCSI Host (Retrieve iSCSI Host function not used) 1 2 3 4 Page 5.4.3.3 Change iSCSI Host 1 2 3 4 Page 5.4.3.4 Delete iSCSI Host 1 2 4 5.4.4 Set Affinity Group can be registered Page 5.4.4.1 Add Affinity Group 1 2 Page 3 Page Page 5 6 Page 5.4.4.2 Change Affinity Group 1 2 3 Page Page 4 5 6 Page 5.4.4.3 Delete Affinity Group 1 2 3 Page 5.4.5 Allocate Host-Affinity Group can be registered Page 5.4.5.1 Add Host-Affinity Group 2 3 (1) (2) 4 5.4.5.2 Delete Host-Affinity Group 1 [Configuration] menu. 2 3 can be made), and click the [Delete] button. 4 5.4.5.3 Copy Host-Affinity Group 1 2 Page Page Page 5.4.6 Set LUN Mapping 5.4.6.1 Add/Change/Delete LUN Mapping 1 2 3 (1) (2) (3) (4) (1) Page Page Page 5.4.6.2 Copy LUN Mapping 1 [Configuration] menu. 2 Page 5.4.7 Set CA Reset Group 1 2 3 Step 2, and click the [Set] button (multiple selection can be made). 5.4.8 Set Host Response Page Page 5.4.8.1 Add Host Response 1 [Configuration] menu. 2 3 4 Page 5.4.8.2 Change Host Response 1 2 3 4 Page Page 5.4.8.3 Delete Host Response 1 2 3 Page Page 5.4.9 Set LCU (ETERNUS DX8000 series only) 5.4.9.1 Add LCU 1 menu. 2 3 Page 5.4.9.2 Change LCU 1 menu. 2 3 4 5.4.9.3 Delete LCU Page 5.4.10 Set IOA Mapping (ETERNUS DX8000 series only) 5.4.10.1 Add/Change/Delete IOA Mapping 1 2 3 4 5 Page (1) (2) Page 7 9 5.4.10.2 Copy IOA Mapping 1 2 3 Page 5.4.11 Change RA Mode Page 5.4.11.1 Change RA Mode 1 2 3 5.4.11.2 Copy RA Mode 1 [Configuration] menu. 2 3 Page 5.4.12 Release Reservation 1 2 radio buttons. Page Page 448 Chapter 6 Settings Menu 6.1 Setting Configuration 6.1.1 Set Configuration 1 2 Page Page 452 6.2 Sub System Parameter 6.2.1 Set Sub System Parameters 1 2 Page 454 6.3 Advanced Copy Settings 6.3.1 Set EC/OPC Priority 1 2 6.3.2 Set REC Priority 1 2 3 Page Page 6.3.3 Stop EC/OPC Session 1 2 Page Page 6.3.4 Stop REC Session 1 2 3 6.3.5 Set Advanced Copy Table Size 1 2 Page A B 6.3.6 Register Advanced Copy License C D 1 the [Settings] menu. 2 6.3.7 Set REC Buffer Page 6.3.7.1 Create/Change REC Buffer 1 2 3 Page 4 5 Page 6.3.7.2 Delete REC Buffer 1 2 6.3.8 Create REC Disk Buffer Page 1 2 3 Page Page 6.3.9 Format REC Disk Buffer 1 2 3 made), and click the [Set] button. 5 6.3.10 Delete REC Disk Buffer 1 2 and click the [Set] button. 6.3.11 Set Advanced Copy Event Notification 1 Settings in the [Settings] menu. 2 Page 498 6.4 SNMP 6.4.1 Set SNMP Agent Environment 6.4.1.1 Enable SNMP Agent Environment 1 2 Page 6.4.1.2 Disable SNMP Agent Environment 1 2 6.4.2 Download Extended MIB Definition File 1 2 3 4 6.4.3 SNMP Trap Test 1 2 Page 506 6.5 Eco-mode 6.5.1 Set Common Eco-mode 6.5.1.1 Eco-mode Start setting 1 Page Page 6.5.2 Set Eco-mode Schedule 6.5.2.1 Add Eco-mode Schedule 1 2 3 Page 4 5 6 Page 6.5.2.2 Delete Eco-mode Schedule 1 2 can be made), and click the [Delete] button. 3 4 6.5.2.3 Change Eco-mode Schedule Page Page 6 6.5.3 Set RAID Group-Eco-mode Page 6.5.3.1 Batch setting of Eco-mode schedule in the RAID group 1 2 Page Page Page Page 6.5.3.2 Manual setting of Eco-mode schedule in the RAID group 1 2 from the [RAID Group List]. Page Page Page 6.5.4 Set Thin Provisioning Pool-Eco-mode 6.5.4.1 Batch setting of Eco-mode schedule in the Thin Provisioning Pool 1 2 the [Execute] button. Page Page Page 6.5.4.2 Manual setting of Eco-mode schedule in the Thin Provisioning Pool 1 2 schedule from the [Thin Provisioning Pool List]. Page Page Page 542 6.6 Remote Advanced Copy Configuration 6.6.1 Export Advanced Copy Information 1 2 Page 3 6.6.2 Create Advanced Copy Information Page 6.6.2.1 Edit Path Configurations 1 2 3 4 5 6 Page Page 6.6.2.2 View Path Configurations 3 4 5 6 Page 6.6.2.3 Add New Storage System Page 4 5 Page Page 6 (1) (2) (3) 6.6.2.4 Upload Adaptor Information 1 2 3 4 5 Page 6 6.6.2.5 Edit Adaptor Information 1 2 3 4 5 Page 6 (1) (2) (3) 6.6.2.6 Delete Storage System 1 2 3 4 5 Page 6.6.2.7 Save Advanced Copy Path 6.6.3 Set Advanced Copy Path 6.6.3.1 Set Advanced Copy Path 1 2 Page 6.6.3.2 Initialize Advanced Copy Path 1 2 6.6.4 Check Advanced Copy Path 1 2 3 4 587 6.7 Setting Encryption 6.7.1 Set Encryption Mode 6.7.1.1 Set Encryption Mode 1 2 3 6.7.1.2 Change Encryption Mode 1 2 3 591 6.8 Others 6.8.1 Set IP Address for USER Port 6.8.1.1 Set IP Address for USER Port 1 2 Page Page 4 6.8.1.2 Delete IP Address for USER Port 1 Page 4 6.8.2 Set IP Address for REMCS Port 6.8.2.1 Set IP Address for REMCS Port 1 2 Page Page 4 6.8.2.2 Delete REMCS Port Settings 1 Page 6.8.3 Set Date and Time 1 Page Page 6.8.4 Set Box ID 1 2 Page 611 Chapter 7 Download Menu 7.1 Download 7.1.1 Export Configuration 1 2 3 7.1.2 Export Log 1 2 3 4 Page 7.1.3 Set Syslog 7.1.3.1 Enabling the Syslog function 1 Page 7.1.3.2 Disabling the Syslog function Page 7.1.4 Export Panic Dump 1 2 3 4 Page 624 Chapter 8 Remote Support Menu 8.1 Display 8.1.1 Display Support Settings 1 Page 8.1.2 Communication Log 1 2 3 627 8.2 Set 8.2.1 Set Remote Support 1 2 Page Page 8.2.2 Update Customer Information 1 2 Page 8.2.3 Change Communication Environment Information 1 [Remote Support] menu. 2 Page Page 639 8.3 Operation 8.3.1 Sending Log 8.3.1.1 Automatic Sending Log 1 2 Page 3 4 8.3.2 Pause/Restart Remote Support 1 Support] menu. 2 Click the [Execute] button to execute the process. 645 Chapter 9 User Accounts Menu 9.1 Account 9.1.1 Set User Account Page 9.1.1.1 Register User Account 1 2 3 4 9.1.1.2 Delete User Account 1 2 3 9.1.1.3 Change User Account Password 1 2 3 9.1.1.4 Change User Account Role 1 2 3 Page 9.1.2 Set Role 9.1.2.1 Register Role 1 2 3 Page 2 3 role, and click the [Execute] button. Page 9.1.2.3 Delete Role 1 2 Page 9.1.3 Set RADIUS Authentication 9.1.3.1 Enabling RADIUS Authentication Function 1 Page 9.1.3.2 Disabling RADIUS Authentication Function Page Page 669 Appendix A Screen Details A.1 Device Status A.1.1 Device Status (Collect Device Information) Screen Page 671 A.2 Resource Domain List A.2.1 Resource Domain List (Initial) Screen Page 673 A.3 RAID Group List A.3.1 RAID Group List (Initial) Screen Page Page 676 A.4 Thin Provisioning Pool List A.4.1 Thin Provisioning Pool List (Pool List) Screen Page A.4.2 Thin Provisioning Pool List (Volume List in the Pool) Screen Page Page Page 682 A.5 Volume List A.5.1 Volume List (Initial) Screen Page Page Page Page Page 688 A.6 Advanced Copy Status A.6.1 Advanced Copy Status (EC Session List) Screen Page A.6.2 Advanced Copy Status (OPC Session List) Screen Page Page A.6.3 Advanced Copy Status (EC Session Details/OPC Session Details) Page A.6.4 Advanced Copy Status (REC Session List) Screen Page A.6.5 Advanced Copy Status (REC Session Details) Screen Page A.6.6 Advanced Copy Status (Advanced Copy Path Status) Screen Page Page 1 2 3 4 5 703 A.7 Set Resource Domain A.7.1 Set Resource Domain (Create Resource Domains) Screen 704 A.8 Assign Numerical Resource A.8.1 Assign Numerical Resource (Set Assignable Resources) Screen 705 A.9 Assign Resources A.9.1 Assign Resources (Set RAID Group) Screen A.9.2 Assign Resources (Set TPP) Screen A.9.3 Assign Resources (Set Host WWN) Screen Page A.9.4 Assign Resources (Set iSCSI Host) Screen A.9.5 Assign Resources (Set Affinity Group) Screen A.9.6 Assign Resources (Set Host Response) Screen Page Page A.9.7 Assign Resources (Set Eco-mode Schedule) Screen Page 716 A.10 Create RAID Group A.10.1 Create RAID Group (Initial) Screen Page Page Page 720 A.11 Create Logical Volume A.11.1 Create Logical Volume (Create Logical Volume) Screen Page Page Page Page Calculated as 1TB=1,024GB, 1GB=1,024MB. A.11.2 Create Logical Volume (Create Thin Provisioning Volume) Screen Page 729 A.12 Set Snap Data Pool A.12.1 Set Snap Data Pool (SDPV List) Screen Page A.12.2 Set Snap Data Pool (Create SDPV) Screen A.12.3 Set Snap Data Pool (Select SDPV) Screen Page 734 A.13 LUN Concatenation A.13.1 LUN Concatenation (Input Volume) Screen 735 A.14 Set Thin Provisioning Pool Parameters A.14.1 Set Thin Provisioning Pool Parameters (Notification Setting) Screen Page 737 A.15 Format Thin Provisioning Pool A.15.1 Format Thin Provisioning Pool (Select Format Type) Screen 738 A.16 Set Thin Provisioning Volume Parameters A.16.1 Set Thin Provisioning Volume Parameters (Notification Setting) 739 A.17 Balance Thin Provisioning Volume A.17.1 Balance Thin Provisioning Volume (Select Balancing TPV) Screen Page 741 A.18 Set CA Parameters A.18.1 Set CA Parameters (FC-CA Detailed Settings) Screen Page Page A.18.2 Set CA Parameters (FC-RA Detailed Settings) Screen A.18.3 Set CA Parameters (RFCF-RA Detailed Settings) Screen Page A.18.4 Set CA Parameters (OCLINK Detailed Settings) Screen A.18.5 Set CA Parameters (FCLINK Detailed Settings) Screen A.18.6 Set CA Parameters (iSCSI-CA Detailed Settings) Screen Page Page Page A.18.7 Set CA Parameters (iSCSI-RA Detailed Settings) Screen Page Page Page 756 A.19 Set Host World Wide Name(s) A.19.1 Set Host World Wide Name(s) (Initial) Screen Page Page 759 A.20 Set iSCSI Host A.20.1 Set iSCSI Host (Add) Screen Page 761 A.21 Set Affinity Group A.21.1 Set Affinity Group (Initial) Screen Page Page 764 A.22 Set Host Response (Add Host Response) A.22.1 Set Host Response (Initial) Screen Page A.22.2 Set Host Response (Detailed Setting) Screen Page Page Page 770 A.23 Release Reservation A.23.1 Release Reservation (Select Volume) Screen Page A.23.2 Release Reservation (Detail) Screen 773 A.24 Set Sub System Parameters A.24.1 Set Sub System Parameters (Initial) Screen Page 775 A.25 Set REC Priority A.25.1 Set REC Priority (Speed Setting) Screen Page 777 A.26 Set Advanced Copy Table Size A.26.1 Set Advanced Copy Table Size (Initial) Screen 778 A.27 Set REC Buffer A.27.1 Set REC Buffer (Set) Screen Page Page A.27.2 Set REC Buffer (Add REC Disk Buffer) Screen 782 A.28 Set SNMP Agent Environment A.28.1 Set SNMP Agent Environment (Initial) Screen Page Page Page 786 A.29 Set Eco-mode Schedule A.29.1 Set Eco-mode Schedule (Set) Screen Page Page Page 790 A.30 Set RAID Group-Eco-mode A.30.1 Set RAID Group-Eco-mode (Set) Screen Page Page 793 A.31 Set Thin Provisioning Pool-Eco-mode A.31.1 Set Thin Provisioning Pool-Eco-mode (Set) Screen Page 795 A.32 Create Advanced Copy Information A.32.1 Create Advanced Copy Information (Input New Device Information) 796 A.33 Set IP Address for USER Port A.33.1 Set IP Address for USER Port (Initial) Screen Page 798 A.34 Set IP Address for REMCS Port A.34.1 Set IP Address for REMCS Port (Initial) Screen Page 800 A.35 Set Syslog A.35.1 Set Syslog (Initial) Screen Page 802 A.36 Set Remote Support A.36.1 Set Remote Support (Initial) Screen Page Page Page Page Page 808 A.37 Set User Account A.37.1 Set User Account (Registration) Screen Page 810 A.38 Set Role A.38.1 Set Role (Register Role/Change Role) Screen Page Page Supported: Supported category : Categories that are not supported 814 A.39 Set RADIUS Authentication A.39.1 Set RADIUS Authentication (Initial) Screen Page Appendix B Notes on Access via https 2 Page Page Page 2 3 2 822 Appendix C Syslog Message List C.1 Syslog Function C.1.1 Outline C.1.2 Message Format Page Page 825 C.2 Syslog Message List C.2.1 Common Terms The following table shows components and terms that are used in C.2.2 to C.2.4. C.2.2 Error Messages The following messages are sent when components fail or degrade. Page The following messages are sent when a temperature error occurs. C.2.3 Warning Messages Page Page Page Page C.2.4 Informational Messages This section describes the messages that are sent when the severity is Information.