Red Hat ENTERPRISE LINUX - ONLINE STORAGE RECONFIGURATION GUIDE BETA manuels

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Table des matières

Red Hat Enterprise Linux 6

1

Storage Administration Guide

1

Edition 2

3

Edited by

4

Legal Notice

5

Abstract

5

Table of Contents

6

1. Document Convent ions

13

1.2. Pull-quot e Convent ions

14

Important

15

2.2. We Need Feedback

16

Network Block Storage

18

⁠Part I. File Systems

19

2.1.1. FHS Organiz at ion

20

2.4. Discard unused blocks

29

3.2. Addit ional Informat ion

31

Chapter 4. Btrfs

32

Write Barriers

39

Writ e Barriers

40

Setting Project Limits

50

Set t in g Project Limit s

52

Simple Mode for xfsrest ore

54

9.2. pNFS

57

9.4. auto fs

59

9.7.4 . Host name Format s

73

9.7.5. NFS over RDMA

73

9.8. Securing NFS

74

9.9. NFS and rpcbi nd

76

Related Books

78

Chapter 10. FS-Cache

79

10.1. Performance Guarant ee

80

10.2. Set t ing Up a Cache

80

10.3.1. Cache Sharing

81

⁠Chapt er 1 0 . FS- Cache

82

10.6. References

84

11.3. Special Considerat ions

87

Chapter 12. File System Check

90

12.2.2. XFS

92

12.2.3. Bt rfs

94

Chapter 13. Partitions

95

13.2.3. Add t o /etc/fstab

98

13.3. Removing a Part it ion

99

13.4 . Resizing a Part it ion

99

⁠Chapt er 1 3. Part it ions

100

14 .1. What is LVM2?

102

14 .2.3. Migrat ing Ext ent s

109

Installed Documentation

118

Useful Websites

118

Chapter 15. Swap Space

119

⁠Chapt er 1 5. Swap Space

120

15.2.3. Removing a Swap File

122

15.3. Moving Swap Space

123

Chapter 16. Disk Quotas

124

⁠Chapt er 1 6 . Disk Q uot as

126

16.2. Managing Disk Quot as

128

16.3. Disk Quot a References

130

Firmware RAID

131

Hardware RAID

131

Software RAID

132

17.3. Linux RAID Subsyst ems

134

17.5. Configuring RAID Set s

135

18.2.3. Sharing Mount s

142

18.4 .2. Useful Websit es

147

19.1. Commands

148

19.4. vo l ume_key References

152

20.1. Mount ing File Syst ems

153

20.2. Set t ing Access ACLs

153

20.3. Set t ing Default ACLs

154

20.4. Ret rieving ACLs

155

20.7. ACL References

156

I/O Scheduler

159

Virtual Memory

159

Chapter 22. Write Barriers

160

How Write Barriers Work

160

Disabling Write Caches

161

Battery-Backed Write Caches

161

High-End Arrays

162

Block Device ioctls

164

23.3. St andards

165

23.5. Logical Volume Manager

166

File System tools

167

25.1. Fibre Channel

171

25.2. iSCSI

173

25.3. Persist ent Naming

175

25.3.1. WWID

176

25.16.1. Fibre Channel

199

SCSI Error Handler

201

Device States

203

Command Timer

203

26.1. Virt ual St orage

205

26.2. DM-Mult ipat h

205

Revision History

207

Revision Hist ory

208

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