J2S1-6831-01ENZ2(A)
Before using this online manual Preface Part 1 Overview of Global File Services Chapter 1 Overview of Global File Services 1.1 Types of GFS File System 1.2 Features of the GFS Local File System 1.3 Features of the GFS Shared File System Part 2 Global File Services Local File System Chapter 2 GFS Local File System 2.1 GFS Local File System 2.2 Multi-partition Configuration 2.3 Extension of the File System 2.4 High-speed Recovery of the File System 2.5 Improvement of File System Performance by Allocation of Continuous Blocks 2.6 Unique Meta-data Cache Management 2.7 Statistical Information on the File System 2.8 Area Reallocation in case of Disk Block Failure 2.9 Setting of Extent Attribute Information 2.10 Upper Limits for the File System 2.11 Action Environment 2.12 NOTE 2.12.1 Notes on use of logical volumes of GDS Chapter 3 Structure of the GFS Local File System 3.1 Disk Structure of the GFS Local File System 3.2 Super Block 3.3 Partition Configuration Data 3.4 Update Log Area 3.5 Meta-data Area 3.5.1 Area management data 3.5.2 i-node area 3.5.3 V-data area 3.6 File Data Area 3.7 Multi-partition Configuration Chapter 4 Management of the GFS Local File System 4.1 Commands for GFS Local File System Management 4.2 Notes on GFS Local File System Commands 4.3 Creating a GFS Local File System 4.3.1 Creating a GFS Local File System 4.3.2 Customizing the GFS Local File System 4.4 Mounting or Unmounting a GFS Local File System 4.4.1 Mounting a GFS Local File System 4.4.2 Unmounting the file system 4.5 Checking the File System for Consistency (fsck) 4.5.1 Action method fsck terminates abnormally 4.6 Obtaining Various Types of File System Information 4.7 Extending a GFS Local File System 4.7.1 Adding new partition to extend file system 4.8 Displaying Partition and Node Information 4.9 Changing Partition or Node Information Chapter 5 Backing Up and Restoring the GFS Local File System 5.1 Backing Up and Restoring by sfxdump and sfxrestore 5.1.1 Backing up by executing sfxdump command 5.1.2 Restoring by executing sfxrestore command 5.2 Backing Up and Restoring by Executing sfxmkbkup Command 5.3 Backing Up and Restoring by Executing dd Command 5.3.1 Backing up by executing dd command 5.3.2 Restoring by executing dd command 5.4 Change Settings after Restoreing 5.4.1 Re-setting of partition information 5.4.2 recovery of file systems Chapter 6 Commands in the GFS Local File System 6.1 Setting the Extent Attribute Information 6.2 Reference of the Extent Attribute Information 6.3 Commands That Reflect the Extent Attribute Information Chapter 7 Managing Restriction of GFS Local File System Usage 7.1 quota Function 7.2 quota Management Method for GFS Local File System 7.3 quota Function Commands 7.4 Setup of quota Function 7.4.1 Setting up quota function 7.5 Enabling and Disabling quota Function 7.5.1 Enabling at system boot 7.5.2 Enabling at command execution 7.5.3 Disabling quota function 7.6 Notes on Operation of quota Function 7.6.1 Matching quota data 7.6.2 external quotas file and internal quotas file 7.6.3 Handling users for which limit values are not specified 7.6.4 Tuning parameter 7.6.5 Kernel messages 7.7 Differences from UFS 7.7.1 quotas files 7.7.2 quotacheck(1M) 7.7.3 quota(1M) 7.7.4 sfxquotadm(1M) Chapter 8 Defragmenting GFS Local File System 8.1 Defragmentation Function 8.2 Defragmentation Policies 8.3 Defragmentation Command Chapter 9 Performance and Tuning 9.1 Update Logs 9.1.1 Is the capacity of the update log area sufficient? 9.1.2 Is the update log area too large? 9.1.3 Is it better to allocate the update log area to another partition? 9.2 Performance and Tuning 9.2.1 Statistical information of file system 9.2.2 Performance Verification 9.2.3 Tuning Parameters 9.3 Monitoring the Free Area Chapter 10 Using GFS Local File System in RMS cluster Operation 10.1 Before using a GFS Local File System in RMS cluster operation 10.2 When Using a GFS Local File System as an Alternate cluster file system 10.3 Setup flow for using GFS Local File System for the GDS volume as an alternate file system 10.4 Setup procedure for using GFS Local File System for the GDS volume as an alternate file system 10.5 Setup flow for adding a data partition in the GFS Local File System of the alternate file system 10.6 Setup procedure for adding a data partition to the GFS Local File System of the alternate file system 10.7 Using GFS Local File System as NFS Server in Stand-by Operation Chapter 11 Changing Node information for GFS Local File System 11.1 When the Name of a Node Using GFS Local File System is Changed 11.2 When the Motherboard of a Node Using GFS Local File System is Replaced Appendix A Kernel Messages A.1 Diagnostics A.1.1 NOTICE: sfxfs:0001: mount_point: file system full A.1.2 NOTICE: sfxfs:0002: mount_point: out of inodes A.1.3 NOTICE: sfxfs:0003: mount_point: file system meta-data full (Vdata) type = number A.1.4 NOTICE: sfxfs:0004: mount_point: too much fragment (extent) A.1.5 WARNING: sfxfs:0005: mount_point: daemon create failed A.1.6 NOTICE: sfxfs:0010: illegal mode (recovered): mount_point | ino_num mode = file_mode A.1.7 NOTICE: sfxfs:0011: illegal free inode (recovered): mount_point | ino_num had size size A.1.8 NOTICE: sfxfs:0012: illegal mode (recovered): mount_point | ino_num mode = file_mode A.1.9 NOTICE: sfxfs:0013: illegal mode (recovered): mount_point | ino_num A.1.10 NOTICE: sfxfs:0014: illegal inode (recovered): mount_point | ino_num new size = size blocks = blocks A.1.11 PANIC: sfxfs:0015: mount_point: bad v_count == 0 A.1.12 PANIC: sfxfs:0016: mount_point: bad v_count == 0 A.1.13 NOTICE: sfxfs:0020: mount_point: bad namelen == 0 parent ino = number A.1.14 PANIC: sfxfs:0021: mount_point: illegal operation: op = code A.1.15 WARNING: sfxfs:0022: mount_point: bad dir ino number at offset offset: info A.1.16 WARNING: sfxfs:0023: mount_point: target directory link count < 2 ino = number A.1.17 WARNING: sfxfs:0024: mount_point: invalid offset offset ino = number A.1.18 PANIC: sfxfs:0025: mount_point: invalid slot status code A.1.19 NOTICE: sfxfs:0026: mount_point: bad namelen == 0 parent ino = number A.1.20 WARNING: sfxfs:0027: mount_point: bad dir, ino = number A.1.21 WARNING: sfxfs:0030: mount_point: meta-data read error. type = number dev = dev_num block = block_num size = size A.1.22 WARNING: sfxfs:0031: mount_point: meta-data read error. type = number dev = dev_num block = block_num size = size A.1.23 WARNING: sfxfs:0032: mount_point: bitmap read error. type = number dev= dev_num block = block_num size = size A.1.24 WARNING: sfxfs:0033: mount_point: bitmap read error. type = number dev = dev_num block = block_num size = size A.1.25 WARNING: sfxfs:0034: mount_point: bitmap read error. type = number dev = dev_num block = block_num size = size A.1.26 WARNING: sfxfs:0035: mount_point: bitmap write error. information was lost. type = number dev = dev_num block = block_num size = size A.1.27 WARNING: sfxfs:0036: mount_point: bitmap write error. type = number dev = dev_num block = block_num size = size A.1.28 WARNING: sfxfs:0037: mount_point: meta-data write error. type = number dev = dev_num block = block_num size = size A.1.29 WARNING: sfxfs:0038: mount_point: fail to update super block at first time dev = dev_num block = block_num size = size A.1.30 WARNING: sfxfs:0039: mount_point: bitmap write error. information was lost. type = number dev = dev_num block = block_num size = size A.1.31 WARNING: sfxfs:0040: mount_point: meta-data write error. information was lost. type = number dev = dev_num block = block_num size = size A.1.32 NOTICE: sfxfs:0041: mount_point: I/O error on log: dev = dev_num block = block_num size = size error = number A.1.33 WARNING: sfxfs:0042: mount_point: LOG daemon is dead. dev = dev_num A.1.34 WARNING: sfxfs:0043: mount_point: super block write error. dev = dev_num block = block_num size = size A.1.35 WARNING: sfxfs:0044: mount_point: super block write error. information was lost. dev = dev_num block = block_num size = size A.1.36 WARNING: sfxfs:0045: mount_point : cannot access: too many I/O errors. dev = dev_num A.1.37 WARNING: sfxfs:0046: mount_point : cannot access: too many I/O errors. dev = dev_num A.1.38 NOTICE: sfxfs:0050: setting sfxfs_ninode to max value of value A.1.39 NOTICE: sfxfs:0051: freeing wrong file system by umount file_num A.1.40 PANIC: sfxfs:0052: v_count != 0 ino_pointer ino_num A.1.41 PANIC: sfxfs:0053: mount_point: illegal transaction buffer. bufno = number A.1.42 PANIC: sfxfs:0054: mount_point: illegal transaction buffer. bufno = number A.1.43 PANIC: sfxfs:0055: mount_point: buffer overflow. size = size A.1.44 PANIC: sfxfs:0056: mount_point: hold count is invalid. type = number number = number A.1.45 PANIC: sfxfs:0057: page_create == NULL A.1.46 PANIC: sfxfs:0058: bn == SFXFS_HOLE A.1.47 PANIC: sfxfs:0059: bn == SFXFS_HOLE A.1.48 NOTICE: sfxfs:0060: mount_point: read only mount, but modified (recovered): A.1.49 PANIC: sfxfs:0062: bn == SFXFS_HOLE and rw == S_WRITE A.1.50 WARNING: sfxfs:0063: mount_point: cannot delete extent. ino = number len = len width = width length = len A.1.51 WARNING: sfxfs:0064: mount_point: no extent exists. ino = number osize = len len = len A.1.52 WARNING: sfxfs:0065: mount_point: cannot delete extent. ino = number len = len width = width length = len A.1.53 WARNING: sfxfs:0070: mount_point: super block read error. dev = dev_num A.1.54 WARNING: sfxfs:0071: mount_point: primary super block read failed, but secondary read. dev = dev_num block = block_num size = size A.1.55 WARNING: sfxfs:0072: mount_point: secondary super block read failed, but primary read. dev = dev_num block = block_num size = size A.1.56 NOTICE: sfxfs:0073: mount_point: VTOC read error. dev = dev_num A.1.57 WARNING: sfxfs:0074: mount_point: primary and secondary super blocks are different. dev = dev_num A.1.58 WARNING: sfxfs:0075: mount_point: partition configuration read error. dev = dev_num A.1.59 WARNING: sfxfs:0076: mount_point: primary partition configuration read failed, but secondary read. dev = dev_num block = block_num size = size A.1.60 WARNING: sfxfs:0077: mount_point: secondary partition configuration read failed, but primary read. dev = dev_num block = block_num size = size A.1.61 WARNING: sfxfs:0078: mount_point: primary and secondary partition configurations are different. dev = dev_num A.1.62 NOTICE: sfxfs:0079: mount_point: nodename mismatch. node <-> node A.1.63 WARNING: sfxfs:0080: mount_point: node information not found for node A.1.64 WARNING: sfxfs:0081: mount_point: super blocks differ. dev dev_num to dev_num A.1.65 WARNING: sfxfs:0082: mount_point: partition configuration differ. dev dev_num to dev_num A.1.66 sfxfs:0083: mount_point : over file hard limit (pid pnum, uid unum) A.1.67 sfxfs:0084: mount_point : Warning: too many files (pid pnum, uid unum) A.1.68 sfxfs:0085: mount_point : over file and time limit (pid pnum, uid unum) A.1.69 sfxfs:0086: mount_point : over hard disk limit (pid pnum, uid unum, inum ino) A.1.70 sfxfs:0087: mount_point : Warning: over disk limit (pid pnum, uid unum, inum ino) A.1.71 sfxfs:0088: mount_point : over disk and time limit (pid pnum, uid unum, inum ino) A.1.72 WARNING: sfxfs:0089: mount_point : segmap_release write error. addr = addr, offset = offset, error = error, ino = ino A.1.73 WARNING: sfxfs:0100: mount_point : cannot find specified volume information in partition configuration. dev = dev_num A.1.74 NOTICE : sfxfs:0110: tunename is too small (num1). Setting num2 A.1.75 NOTICE : sfxfs:0111: tunename is too big (num1). Setting num2 A.1.76 NOTICE : sfxfs:0112: mount_point : tunename is too small (num1). Setting num2 A.1.77 NOTICE : sfxfs:0113: mount_point : tunename is too big (num1). Setting num2 A.1.78 WARNING : sfxfs:0120: mount_point : meta data cache grow failed because of size limitation A.1.79 WARNING: sfxfs:0123: mount_point: meta data information is invalid. inode: ino volno: volno blkno: blkno detail: hexcode A.1.80 WARNING: sfxfs:0124: mount_point: meta data information is invalid. volno: volno blkno: blkno detail: hexcode A.1.81 WARNING: sfxfs:0125: mount_point: meta data information is invalid. inode: ino off: offset volno: volno sblkno: blkno eblkno: blkno detail: hexcode A.1.82 WARNING: sfxfs:0126: mount_point: meta data information is invalid. inode: ino volno: volno blkno: blkno size: fsize iext: niext detail: hexcode A.1.83 WARNING: sfxfs:0127: mount_point: meta data information is invalid. inode: ino volno: volno blkno: blkno magic: hexmagic branch: nentry detail: hexcode A.1.84 WARNING: sfxfs:0128: mount_point: meta data information is invalid. volno: volno blkno: blkno branch: nentry detail: hexcode Appendix B Reference Manual B.1 Commands for Common File System Management B.1.1 clri_sfxfs(1M) - Clears an i-node B.1.2 df_sfxfs(1M) - Reports the free disk area of the GFS Local File System B.1.3 ff_sfxfs(1M) - Displays file names and statistical information B.1.4 fsck_sfxfs(1M) - Checks and repairs the GFS Local File System B.1.5 fstyp_sfxfs(1M) - Determines the type of a file system B.1.6 mkfs_sfxfs(1M) - Builds the GFS Local File System B.1.7 mount_sfxfs(1M) - Mounts the GFS Local File System B.1.8 ncheck_sfxfs(1M) - Lists file names and i-node numbers B.2 Management Commands Specific to the GFS Local File System B.2.1 sfxadd(1M) - Extends the GFS Local File System B.2.2 sfxadm(1M) - Changes GFS Local File System partition information settings B.2.3 sfxddr(1M) - Restores backup data and checks device restoring B.2.4 sfxdefrag(1M) - Defragments the GFS Local File System B.2.5 sfxdump(1M) - Dumps a GFS Local File System B.2.6 sfxedquota(1M) - Edits user quotas for the GFS Local File System B.2.7 sfxinfo(1M) - Displays GFS Local File System partition information B.2.8 sfxmkbkup(1M), sfxmkrstr(1M) - Creates a shell script for backing up B.2.9 sfxnewfs(1M) - Builds the GFS Local File System B.2.10 sfxnode(1M) - Adds or changes GFS Local File System node configuration information B.2.11 sfxquota(1M) - Displays a user's GFS Local File System disk quota and usage B.2.12 sfxquotadm(1M) - Manages quotas file for the GFS Local File System B.2.13 sfxquotaon(1M), sfxquotaoff(1M) - Turns GFS Local File System quotas on and off B.2.14 sfxrepquota(1M) - Summarizes quotas for the GFS Local File System B.2.15 sfxrestore(1M) - Restores from the dump created with sfxdump B.2.16 sfxstat(1M) - Reports statistical information on the GFS Local File System B.2.17 sfxtune(1M) - Tunes up the GFS Local File System B.3 General Commands Specific to the GFS Local File System B.3.1 sfxcp(1) - Copies files with extent attribute information B.3.2 sfxcpio(1) - Extracts or restores files from an archive with extent attribute information B.3.3 sfxgetext(1) - Displays extent attribute information B.3.4 sfxmv(1) - Moves files with extent attribute information B.3.5 sfxsetext(1) - Specifies extent attribute information B.4 Miscellaneous B.4.1 fs_sfxfs(4) - The partition management format of the GFS Local File System Appendix C Corrective Measures against I/O Errors in the GFS Local File System C.1 If the message "sfxfs...: read error" or "sfxfs...:write error" is output C.2 If the message "sfxfs...: too many I/O errors" is output Appendix D Command correspondence with GFS Local File System and UFS file system D.1 Correspondence with GFS Local File System commands and UFS commands Part 3 Global File Services Shared File System Chapter 12 File System Functions 12.1 File System Overview 12.1.1 Basic hardware configuration for use of file system 12.1.2 File system sharing with PRIMEPOWER 800/900/1000/1500/2000 /2500 12.2 Simultaneous Shared Access Maintaining Coherency 12.3 High Availability 12.3.1 Uninterrupted operation in case of node failure 12.3.2 High-speed file system recovery 12.3.3 Area reassignment in case of disk block failure 12.3.4 Operation Continuity If the LAN Fault Occurs 12.4 Performance 12.4.1 Data access performance 12.4.2 Contiguous block assignment 12.4.3 Multi-partition configuration 12.4.4 Individualized meta-cache management 12.5 Extendability 12.5.1 File system extension 12.5.2 Adding shared nodes 12.6 High-speed backup and restoration of a file system 12.7 File Extension Attribute Information 12.7.1 Extent Attribute Information 12.7.2 Ignore Update Last Access Time Attribute Information 12.7.3 Ignore Update Last Modify Time Attribute Information 12.7.4 File Data Allocation Attribute Information 12.8 Operability 12.8.1 GUI 12.9 Upper Limits of the File System 12.10 Notes 12.10.1 Relationships with Other Components of PRIMECLUSTER 12.10.2 Unavailable functions 12.10.3 Service ports used by the GFS Shared File System 12.10.4 Notes on use as loopback virtual file system(lofs) 12.10.5 Notes on use of logical volumes of GDS 12.10.6 Note on stopping a node 12.10.7 Notes on performance of read access for EOF Chapter 13 File System Structure 13.1 Disk Structure of File System 13.1.1 Super block 13.1.2 Partition configuration data 13.1.3 Meta-data area 13.1.4 Update log area 13.1.5 File data area 13.1.6 Partition configuration 13.2 Component configuration 13.2.1 MDS(Meta-data Server) 13.2.2 AC(Access Client) 13.2.3 File System Driver 13.2.4 Monitoring daemon 13.3 File Access and Token Management Chapter 14 Failure Recovery 14.1 MDS Failure Recovery 14.1.1 Automatic recovery for primary MDS failures 14.1.2 Automatic recovery for secondary MDS failures 14.1.3 Automatic recovery in case primary MDS goes down during primary MDS operation only 14.1.4 MDS failback 14.2 AC degeneration Chapter 15 File System Design 15.1 Mount and unmount opportunity of the file system at the time of system starting and ending 15.2 System Design 15.2.1 Effects of file system operation and system load 15.2.2 Node layout 15.2.3 Disk layout 15.2.4 Work Disk for fsck_sfcfs(1M) 15.2.5 Use of 11 GFS Shared File Systems or more 15.2.6 LAN selection 15.2.7 quota function 15.2.8 For future expansion 15.3 Backup Design Chapter 16 Management Partition 16.1 Management Partition 16.2 Resources Required for the Management Partition 16.3 Notes on Management Chapter 17 Starting and Exiting the Management View 17.1 Starting Web-Based Admin View 17.2 Web-Based Admin View Top Menu 17.2.1 Web-Based Admin View Operation Menu Functions 17.2.2 Web-Based Admin View Tool Menu Functions 17.3 Starting GFS Management View 17.4 Exiting GFS Management View 17.5 Exiting Web-Based Admin View Chapter 18 Operation Management View Screen Elements 18.1 Screen Configuration 18.2 Menu Configurations and Functions 18.2.1 General 18.2.2 Operation 18.2.3 View 18.2.4 Help 18.3 Icon Types and Object Status Chapter 19 Management Partition Operations (GUI) 19.1 Flow of Operations 19.1.1 Creating the management partition 19.1.2 Adding node configuration information to the management partition 19.2 Creating the management partition 19.2.1 Setting shared disks 19.2.2 Creating the management partition and registering node configuration information 19.3 Adding node configuration information to the management partition 19.3.1 Setting shared disks 19.3.2 Stopping sfcfrmd daemon 19.3.3 Adding node configuration information to the management partition 19.3.4 Starting sfcfrmd daemon Chapter 20 Management Partition Operations (Command) 20.1 Flow of Operations 20.1.1 Initializing the management partition 20.1.2 Adding node configuration information to the management partition 20.1.3 Deleting node configuration information from the management partition 20.1.4 Backup of the management partition information 20.1.5 Restoring of the management partition information 20.2 Initializing of the management partition 20.2.1 Setting Shared disks 20.2.2 Initializing of the management partition 20.2.3 Registering node configuration information to the management partition 20.2.4 Starting sfcfrmd daemon 20.3 Adding node configuration information to the management partition 20.3.1 If the sfcfrmd daemon has not been started 20.3.2 If the sfcfrmd daemon is started 20.4 Deleting node configuration information from the management partition 20.4.1 Stopping sfcfrmd daemon 20.4.2 Deleting node configuration information from the management partition 20.4.3 Starting sfcfrmd daemon 20.5 Backup of the management partition information 20.5.1 Backup of the management partition information 20.6 Restoring of the management partition information 20.6.1 Re-Initializing the management partition 20.6.2 Reregistering node configuration information to the management partition 20.6.3 Starting sfcfrmd daemon 20.6.4 Restoring of the management partition information Chapter 21 File System Operations (GUI) 21.1 Flow of Operations 21.1.1 Creation 21.1.2 Change (in quota function status) 21.1.3 Change (in file system attributes) 21.1.4 Change (partition configuration) 21.1.5 Change (shared node information) 21.1.6 Deletion 21.2 Creation 21.2.1 Creating a file system 21.3 Change 21.3.1 Changing in file system attributes 21.3.2 Changing the file system configuration (partition addition) 21.3.3 Changing the shared node information 21.4 Deletion 21.4.1 Deleting the file system Chapter 22 File System Operations (Command) 22.1 Operation flow 22.1.1 Creation 22.1.2 Change (in quota function status) 22.1.3 Change (in file system attributes) 22.1.4 Change (partition configuration) 22.1.5 Change (shared node information) 22.1.6 Changes (re-creating a file system) 22.1.7 Change (MDS operational information) 22.1.8 Deletion 22.2 Flow from file system creation to mount/unmount 22.2.1 Setting shared disks 22.2.2 Creating a file systems 22.2.3 Setting vfstab 22.2.4 mount/umount/all nodes (u)mount 22.2.5 Checking file system status 22.2.6 Notes applying when the partitions of a created file system are used 22.3 Changes (in quota function status) 22.3.1 Setting the quota function 22.3.2 Enabling the quota function 22.3.3 Disabling the quota function 22.4 Change (file system attributes) 22.4.1 Unmount 22.4.2 Change the file system attributes 22.4.3 Mount 22.5 Change (partition configuration) 22.5.1 Changing an unmounted file system 22.5.2 Changing while mounted status 22.6 Change (shared node information) 22.6.1 Changing an unmounted file system 22.6.2 Changing while mounted status 22.7 Change (re-creating a file system) 22.7.1 Unmount 22.7.2 Re-creating the file system 22.7.3 Mount 22.8 Change (MDS operational information) 22.8.1 Unmount 22.8.2 Changing the MDS operational information 22.8.3 Mount 22.9 Deleting 22.9.1 Unmount 22.9.2 Deleting the file system Chapter 23 File System Management 23.1 File System Management Commands 23.2 Checking a File System for Consistency and Repairing It 23.2.1 Action to be taken if fsck terminates abnormally 23.3 File Extension Attribute Information 23.3.1 Setting the Extent Attribute Information 23.3.2 Reference of the Extent Attribute Information 23.3.3 Ignore Update Time Attribute Information 23.3.4 File Data Allocation Attribute Information 23.3.5 Reference of the File Extension Attribute Information 23.3.6 Command for Reflecting File Extension Attribute Information 23.4 quota function 23.4.1 Quota Function 23.4.2 Quota Management Method for the GFS Shared File System 23.4.3 Quota Function Commands 23.4.4 Checking the usage conditions for user 23.4.5 Notes on Operation of the Quota Function 23.4.6 Differences from UFS 23.5 Extending a File System 23.6 Displaying File System Information 23.6.1 Acquiring file system information 23.6.2 Displaying partition/node information 23.6.3 Displaying file system management state 23.7 Multiple LAN Setup 23.7.1 Setup 23.7.2 Reference 23.7.3 Change 23.8 MDS failback 23.8.1 Prior confirmation 23.8.2 Executing the MDS failback Command 23.8.3 Post confirmation 23.9 Using the GFS Shared File System for RMS Cluster Operation 23.9.1 Before using a GFS Shared File System in RMS cluster operation 23.9.2 To enable use as a shared file system for RMS cluster operation 23.9.3 Setup flow when a GFS Shared File System is to be used in an RMS cluster operation 23.9.4 Setup procedure when the GFS Shared File System is to be used in an RMS cluster operation 23.9.5 Setup flow for addition of a file data partition to a GFS Shared File System that is used in an RMS cluster operation 23.9.6 Setup procedure for addition of a file data partition to a GFS Shared File System that is used in an RMS cluster operation Chapter 24 File System Backing-up and Restoring 24.1 Types of Backups and Restores 24.2 Backing Up and Restoring using sfcdump(1M) and sfcrestore(1M) 24.2.1 Backing up using the sfcdump(1M) 24.2.2 Restoration using sfcrestore(1M) 24.2.3 Notes on using differential backup 24.3 Backup/Restoration using sfcmkbkup 24.4 Backing Up using Standard Solaris OE commands 24.4.1 Backing up file by file 24.4.2 Backing up an entire file system 24.5 Restoring using Standard Solaris OE commands 24.5.1 Restoring File by file 24.5.2 Restoring an entire file system 24.5.3 Set up after Restoration 24.6 Backing up and Restoring User Limit Values of the quota function 24.7 High speed backup and restoration of a GFS Shared File System 24.7.1 Outline 24.7.2 Implementation methods 24.7.3 Precondition 24.7.4 Notes on the backup image 24.7.5 Notes on file system operation in the backup destination 24.7.6 Post-operation notes 24.7.7 Setup of the backup relationship 24.7.8 Operation at execution time 24.7.9 Operation at the time of cancellation 24.7.10 Restoring the backup source 24.7.11 Displaying the copy state 24.7.12 Actions following an error Chapter 25 Performance and Tuning 25.1 Update Log 25.1.1 Is the size of the update log area sufficient? 25.1.2 Is the size of the update log area too large? 25.1.3 Should the update log area be separated and placed in another partition? 25.2 Tuning Parameters Chapter 26 Migration to the GFS Shared File System 26.1 Migration from a UFS file system 26.2 Migration from a GFS Local File System Appendix E List of Messages E.1 AC Messages of GFS Shared File System E.1.1 Panic messages E.1.2 Warning messages E.1.3 Information messages E.2 GFS Shared File System Driver messages E.2.1 Information messages E.3 GFS Shared File System Daemon messages E.3.1 Panic messages E.3.2 Error messages E.3.3 Warning messages E.3.4 Information messages E.4 Command messages for File System Common Management E.4.1 df_sfcfs command E.4.2 fsck_sfcfs command E.4.3 mkfs_sfcfs command E.4.4 mount_sfcfs command E.4.5 umount_sfcfs command E.5 Management Command messages Specific to GFS Shared File System E.5.1 sfcadd command E.5.2 sfcadm and sfcnode commands E.5.3 sfcddr command E.5.4 sfcdu commnad E.5.5 sfcedquota command E.5.6 sfcfrmstart command E.5.7 sfcfrmstop command E.5.8 sfcgetconf command E.5.9 sfchost command E.5.10 sfcinfo command E.5.11 sfcproxybreak, sfcproxyinfo, sfcproxyjoin, sfcproxyop and sfcproxyrestore command E.5.12 sfcmkbkup command E.5.13 sfcmkrstr command E.5.14 sfcmntgl command E.5.15 sfcnewfs command E.5.16 sfcquota command E.5.17 sfcquotadm command E.5.18 sfcquotaon, sfcquotaoff command E.5.19 sfcrepquota command E.5.20 sfcrscinfo command E.5.21 sfcsetup command E.5.22 sfcstat command E.5.23 sfcswitch command E.5.24 sfctune command E.5.25 sfcumntgl command E.6 General Command messages Specific to GFS Shared File System E.6.1 sfccp and sfcmv commands E.6.2 sfccpio command E.6.3 sfcgetext command E.6.4 sfcsetext command E.7 GFS Shared File System Management View Messages E.7.1 Error messages E.7.2 Warning messages E.7.3 Information messages E.8 Web-Based Admin View Messages E.9 Messages Of Functions For GFS To Use E.10 Installation Error Messages Appendix F Reference Manual F.1 Commands for Common File System Management F.1.1 df_sfcfs(1M) Reports the free disk area of GFS Shared File System F.1.2 fsck_sfcfs(1M) Checks the GFS Shared File System for consistency and recovers the file system F.1.3 fstyp_sfcfs(1M) Determines the type of a file system F.1.4 mkfs_sfcfs(1M) Constructs the GFS Shared File System F.1.5 mount_sfcfs(1M) Mounts the GFS Shared File System on the self-mode. F.1.6 umount_sfcfs(1M) Unmounts the GFS Shared File System from the self-node. F.2 Management Commands Specific to the GFS Shared File System F.2.1 sfcadd(1M) Adds file data partitions F.2.2 sfcadm(1M) Changes partition information settings F.2.3 sfcddr(1M) Restores backup data and checks device restoring F.2.4 sfcdu(1M) Summarize disk usage F.2.5 sfcdump(1M) Dumps a GFS Shared File System F.2.6 sfcedquota(1M) Edits quota limits for each user F.2.7 sfcfrmstart(1M) Starts FsRM on the self node F.2.8 sfcfrmstop(1M) Stops FsRM on the self-node F.2.9 sfcgetconf(1M) Backs up the management partition F.2.10 sfchost(1M) Displays and changes a connection host name with MDS F.2.11 sfcinfo(1M) Displays partition information F.2.12 sfcmkbkup(1M), sfcmkrstr(1M) Generates a shell script for backing up F.2.13 sfcmntgl(1M) Mounts the GFS Shared File System on all nodes F.2.14 sfcnewfs(1M) Builds the GFS Shared File System F.2.15 sfcnode(1M) Adds, deletes, and alters node configuration information F.2.16 sfcproxybreak(1M) Cancels the relationship for high speed backup and restoration F.2.17 sfcproxyinfo(1M) Displays information about the relationship for high speed backup and restoration F.2.18 sfcproxyjoin(1M) Sets up the relationship for high speed backup and restoration F.2.19 sfcproxyop(1M) Executes operation for high speed backup and restoration F.2.20 sfcproxyrestore(1M) Restores a file system at high speed F.2.21 sfcquota(1M) Displays the quota limit value and uses amount for each user F.2.22 sfcquotadm(1M) Manages quotas files F.2.23 sfcquotaon(1M), sfcquotaoff(1M) Validates and invalidates the quota function F.2.24 sfcrepquota(1M) Displays the quota function limits and uses amounts of all users F.2.25 sfcrestore(1M) Restores from the dump created with sfcdump F.2.26 sfcrscinfo(1M) Displays file system information F.2.27 sfcsetup(1M) Initializes the management partition; adds, deletes, displays path of the management partition F.2.28 sfcstat(1M) Reports statistics on the GFS Shared File System F.2.29 sfcswitch(1M) MDS failback F.2.30 sfctune(1M) Tunes the GFS Shared File System F.2.31 sfcumntgl(1M) Unmounts the GFS Shared File System from all nodes F.3 General Commands Specific to the GFS Shared File System F.3.1 sfccp(1) Copies files with extent attribute information F.3.2 sfccpio(1) Extracts or restores files from an archive with extent attribute information F.3.3 sfcgetext(1) Displays extent attribute information F.3.4 sfcgetfattr(1) Reports extent attribute information of a file F.3.5 sfcmv(1) Moves files with extent attribute information F.3.6 sfcsetext(1) Specifies extent attribute information F.3.7 sfcsettime(1) Sets or deletes ignore update time attribute information F.3.8 sfcsetvolume(1) Sets or deletes file data allocation attribute information Appendix G Trouble shooting G.1 Action for a Panic G.2 Action for Error Messages G.2.1 Action for I/O errors G.2.2 Collecting Investigation Material G.3 GFS Shared File System Management View Abnormality Glossary