Fujitsu DX60 6.3 Rebuild/Copyback Process Time

Chapter 6 Maintenance

6.3 Rebuild/Copyback Process Time

ETERNUS DX60 S2 Disk storage system User’s Guide -Operation-

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Copyright 2012 FUJITSU LIMITED P3AM-5512-03ENZ0

6.3 Rebuild/Copyback Process Time

This section explains the time required for Rebuild/Copyback.

■Rebuild process time

Table 6.2 shows the time required for the rebuild process (when the volume capacity is 100GB).

Table 6.2 Rebuild process time (disk)

*1: The time required to rebuild a 100GB volume of the indicated RAID level, number and type of disks

when there is no concurrent server I/O. The time that is required depends on the type and

configuration of the disk.

■Copyback process time

Table 6.3 shows the time required for the copyback process (when the volume capacity is

100GB).

Table 6.3 Copyback process time (disk)

*1: The time required to copyback a 100GB volume of the indicated RAID level, number and type of disks

when there is no concurrent server I/O. The time that is required depends on the type and

configuration of the disk.

RAID level No. of disks Rebuild process time (*1)

2.5" SAS disks 3.5" SAS disks Nearline SAS disks

RAID1 2 Approx. 27 minutes/

100GB

Approx. 20 minutes/

100GB

Approx. 47 minutes/

100GB

RAID1+0 8 Approx. 7 minutes/

100GB

Approx. 5 minutes/

100GB

Approx. 11 minutes/

100GB

RAID5 5 Approx. 10 minutes/

100GB

Approx. 10 minutes/

100GB

Approx. 15 minutes/

100GB

RAID5+0 6 Approx. 7 minutes/

100GB

Approx. 7 minutes/

100GB

Approx. 11 minutes/

100GB

RAID6 6 Approx. 13 minutes/

100GB

Approx. 13 minutes/

100GB

Approx. 21 minutes/

100GB

RAID level No. of disks Copyback process time (*1)

2.5" SAS disks 3.5" SAS disks Nearline SAS disks

RAID1 2 Approx. 27 minutes/

100GB

Approx. 20 minutes/

100GB

Approx. 49 minutes/

100GB

RAID1+0 8 Approx. 7 minutes/

100GB

Approx. 5 minutes/

100GB

Approx. 11 minutes/

100GB

RAID5 5 Approx. 10 minutes/

100GB

Approx. 7 minutes/

100GB

Approx. 16 minutes/

100GB

RAID5+0 6 Approx. 7 minutes/

100GB

Approx. 5 minutes/

100GB

Approx. 11 minutes/

100GB

RAID6 6 Approx. 13 minutes/

100GB

Approx. 13 minutes/

100GB

Approx. 20 minutes/

100GB

Contents

Main Page Preface About this Manual Organization Warning Notations How Warnings are Presented in this Manual Additional Information Symbols Used in This Manual Abbreviations Used in This Manual Table of Contents Chapter 1 Components ...........................................................................12 Chapter 2 Standard Operations..............................................................30 Chapter 5 Installing Optional Products .................................................55 Chapter 6 Maintenance............................................................................77 Chapter 7 Troubleshooting.....................................................................80 Appendix A Event Notification Message List ...........................................87 Page List of Figures List of Tables Chapter 1 Components 1.1 Controller Enclosure 1.1.1 Front 1.1.2 Rear 1.1.3 Components (Front) Page Figure 1.9 Disk slot numbers (2.5" type controller enclosure) Figure 1.8 2.5" type disk Figure 1.9 shows the slot number of each disk. Page 1.1.4 Components (Rear) 1.1.4.1 Controllers Page Page Page Page 1.1.4.2 Power Supply Units 1.2 Drive Enclosures 1.2.1 Front 1.2.2 Rear 1.2.3 Components (Front) Table 1.8 Status and meanings of each LED (in front of drive enclosure) Figure 1.21 3.5" disk Figure 1.22 shows the slot number of each disk. Figure 1.22 Disk slot numbers (drive enclosure) LEDs The states of LEDs are listed below. Table 1.9 Status and meanings of each LED (3.5" disks) 1.2.4 Components (Rear) Page 1.3 Power Distribution Units (for Regions other than EMEA&I) 1.3.1 Power Distribution Units (1U) 1.3.2 Power Distribution Units (2U) Chapter 2 Standard Operations 2.1 Powering On and Off Page 2.1.2 Powering On 1 2 lit up. 3 2.1.3 Powering Off 1 2 2.2 Attaching and Removing the Flange Cover 1 2 2.3 Attaching and Removing the Front Cover 1 2 enclosure. 1 2.4 Turning On and Off the AUTO POWER Switch Remove the front cover from the 3.5" type controller enclosure. 2 3 Re-attach the front cover to the 3.5" type controller enclosure. 2.5 Using the IP RESET Switch Remove the front cover from the 3.5" type controller enclosure. 2 3 Chapter 3 Setup 3.1 Data Encryption 3.2 Eco-mode Page Page 3.3 Optimizing Volume Configurations 3.3.1 RAID Migration 3.3.2 Logical Device Expansion (LDE) 3.3.3 LUN Concatenation Page Chapter 4 Operations 4.1 LAN for Operation Management 4.2 Monitoring ETERNUS DX Disk Storage System Status 4.2.1 LED Status Check 4.2.2 Displaying Status via ETERNUS Web GUI 4.2.3 Event Notification Chapter 4 Operations 4.2 Monitoring ETERNUS DX Disk Storage System Status Copyright 2012 FUJITSU LIMITED P3AM-5512-03ENZ0 Figure 4.4 Event notification Chapter 5 Installing Optional Products 5.1 Installing Disks 5.1.1 Installation Rules for Disks 5.1.2 Installable Disks 5.1.3 Disk Handling Instructions Page 5.1.4 Additional Disk Installation Procedure 1 2 3 4 4-1 4-2 4-3 4-4 Page 5 5-1 5-2 5-3 5-4 5.2 Installing Drive Enclosures 5.2.3 Drive Enclosure Handling Instructions 5.2.4 Drive Enclosure Rack Installation Procedure 1 static electricity. 2 (1) (2) (3) (4) (5) (1) (2) (3) 3 4 5 6 Page 5 5-1 5-2 6 6-1 6-2 7 8 9 Page Chapter 6 Maintenance This chapter describes maintenance for the ETERNUS DX Disk storage system. Do 6.1 Periodic Backup In case of a system failure, important data should be regularly backed up. 6.3 Rebuild/Copyback Process Time This section explains the time required for Rebuild/Copyback. 6.4 Maintenance Service 6.4.1 Maintenance Support Period 6.4.2 Related Service Chapter 7 Troubleshooting 7.1 Check List 1 2 3 1 2 3 4 5 Page 7.2 Required Information for Inquiries Page Appendix A Event Notification Message List A.1.1 E-Mail An example of event notification by e-mail and its contents are shown below: Page A.1.2 SNMP A.1 Message Format The notification format of SNMPv1 is shown below. A.1.3 Host Sense A.2 Message List This section describes the event notification messages for each severity. A.2.1 Common Terms The following table shows components and terms that are used in A.2.2 to A.2.4 A.2.2 Error Messages Page Page Page Page Page The following messages are sent when an event that requires maintenance occurs: Page A.2.3 Warning Messages This section describes the messages that are sent when the severity is Warning. Page Page Page A.2 Message List *1: This row indicates TrapWarningInfo for Trap No. 5 and TrapSensorInfo for Trap No. 6. A.2.4 Informational Messages This section describes the messages that are sent when the severity is Information. The following messages are sent when an information-level event occurs: Page Page Page Page Page Page Page A.2 Message List *1: This row indicates TrapWarningInfo for Trap No. 25 and TrapSensorInfo for Trap No. 26. The following messages are sent when a normal state is restored for Error or Warning level events. A.2.5 Test Messages A.2.6 Sense Codes Page Page Appendix B Event (SNMP Trap) Display When Using ServerView Operation Manager Appendix B Event (SNMP Trap) Display When Using ServerView Operation Manager