ADIC Time Clock 6-00028-01 Rev A Manual de usuario Pagina 377
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Managing the AMASS File System
6-00028-01 Rev A Utility Reference 4-77
writecachemru
Allow AMASS to use WRITE cache blocks before READ
cache blocks. Consequently, READ cache blocks are used last.
Options
/usr/amass/bin
./writecachemru
[-de]
[-u]
Option Description
-d
(default)
AMASS reuses non-dirty or empty (data has
already been written to media) cache blocks on a
least-recently used basis
-e AMASS reuses the empty WRITE cache blocks
before READ cacheblocks
-u Usage statement
- Managing the 1
- File System 1
- Trademark Notice 2
- Copyright Notice 2
- Technical Assistance 2
- Documentation 2
- READER COMMENT FORM 3
- P-2 Preface 6-00028-01 Rev A 6
- 6-00028-01 Rev A Preface P-3 7
- P-4 Preface 6-00028-01 Rev A 8
- Conventions 9
- Contact 10
- Publications 10
- Related 11
- Secured Web 11
- P-8 Preface 6-00028-01 Rev A 12
- Contents 13
- Operational Tasks 2 14
- Command Reference 3 15
- Accessing Storage Devices 16
- 6-00025-01 Rev A Contents xv 19
- Utility Reference 4 22
- 6-00025-01 Rev A Contents xix 23
- 6-00025-01 Rev A Contents xxi 25
- Troubleshooting Tools 6 26
- Backup Scripts for HP-UX A 27
- Fine-tune Block Size B 27
- Cache Commands C 27
- Initial Setup 29
- Slot Position 31
- Step Command Description 32
- amass or root 37
- Volume Groups Defined 41
- Space Pool 42
- Cleaning Group 42
- Numeric Volume Group 42
- Media Verification 42
- /archive 43
- AMASS archives /pubs 43
- When a Group Runs 44
- Out-of-Space 44
- Operational 51
- Database and Journal Backups 53
- Manual Backup 57
- Replace a Full Backup Volume 59
- Restore AMASS Database 60
- MAXIOSZ value to 61
- Reinitialize Database 62
- Back Up Media in Library 64
- Use Redundant Media 65
- Take a Drive Out of Service 66
- Return a Drive to Service 67
- To delete: 68
- • All files on a volume 68
- Delete Volume Group 70
- Recycle a Volume 71
- Remove Media From Library 73
- Read Offline Volume 75
- Read Offline Volumes 76
- /tmp/sysop.out 77
- -s option returns 78
- Add Space to Volume Group 79
- Create Space Pool 80
- Reassign Volume Group 81
- Activate the File System 83
- Modify Configuration File 85
- MAXIOSZ Changes 87
- Return Code Description 92
- -1 error 92
- /usr/filesysdb/journal 96
- /usr/filesysdb 96
- For libraries only: 98
- For standalone drive only: 98
- Additional Information 99
- Generated Column Titles 100
- Topics Description 101
- Option Description 102
- Installing 107
- Option Definition 108
- command 109
- Value Description 111
- Shutdown Tasks 112
- /usr/amass/bin 113
- ./amassstat 113
- [-acfisvw] 113
- [-f -t seconds] 113
- Fields Description 118
- WriteVerify 120
- Network Libraries 122
- ./bulkinlet 123
- [volumegroup] 123
- [jukeboxnumber] 123
- SCSI, Multislot Libraries 125
- Reload Existing Volumes 127
- # su root 127
- Supported Network Libraries 129
- Library Library Interface 130
- Command Characteristic 132
- Optional Feature 138
- /etc/vold.conf file 139
- /etc/fsd.auto file 139
- /etc/fsd.tab 139
- StorageTek drives: 144
- 2 71 (0x021001e6) 145
- Field Description 146
- # cd /archive/accting 148
- Prerequisites 149
- Automatic Cleaning 154
- ADIC Scalar 1000 155
- Global IDLETIME Parameter 163
- Per Drive drivestat -e 163
- Output Examples 164
- Eject Value for A Drive 164
- Eject Value for All Drives 164
- IDLETIME parameter has been 165
- # drivestat -e “?” all 166
- Examples 168
- -s) generated by 173
- /archive/projects 178
- Volume Group 2 179
- Volume Group 0 179
- PATH variable 181
- • I/O requests 182
- The user must be amass 183
- # sysperf 5 -k -c 186
- Online O = Offline 190
- Inactive 190
- /usr/amass/BarcodeTemplate 193
- -f metafilepath 196
- At the Source Site 197
- At the Destination Site 202
- /tmp/newcustomers metadata 203
- /tmp/newcustomers 203
- [-cdeirstw] 209
- [-j jukeboxnumber] 209
- Characteristics 213
- /archive) 215
- ./techpubs 216
- ./mrktpubs 216
- ./volclean 221
- C” for volcomp and sets it 225
- I” for Inactive 225
- Source Media 228
- Destination Media 228
- Read Drive 228
- Write Drive 228
- /usr/amass/bin in 229
- File Names Last Example 243
- Using cpio Command 244
- Using tar Command 245
- [volumelist] 247
- For optical platters: 248
- For tape drives: 249
- Command Description 251
- -b blocksize) with care 252
- Defined” on page 1-13 254
- Ready? (y/n) y 259
- Inlet operation completed 259
- Reset to Zero 266
- AMASS assigned this 277
- Name Contention 294
- # volusage 298
- Reference 301
- Utilities 303
- Scripts in /usr/amass/tools 304
- Step 3. Reboot the system 306
- # cd /usr/amass/tools 306
- # ./amass_atboot -d 306
- When to Use Script 307
- Errors and 308
- Corrective Action 308
- Daemon Description 311
- Group Test Name Definition 313
- Step 1. Log in as root 314
- ./amass_tests 315
- Definition 318
- Hardware Utility Page 325
- Step 2. Enter the following: 327
- # cd /usr/amass/utils 327
- # init_element 1 327
- # mediaeject 1 2 329
- View Status for One Element 335
- /usr/amass/utils 336
- ./mediamove 336
- When to Use Utility 339
- ./mediawrite 341
- [-b blocksize] 341
- Installing AMASS 346
- Database Utilities 351
- # su amass 354
- Password: 354
- Exit codes follow: 357
- ./fileincache 357
- ./sysdbchk 369
- SYSDBCHK_CACHE_DIR 370
- ./volprint 373
- Trouble 379
- AMASS Appears Hung 381
- Cancel Outstanding Requests 382
- Operating Issues 383
- AMASS Database is Bad 384
- 08:42 /usr/amass/fslock1 388
- /etc/hosts file corrupted? 391
- AMASS Does Not Start 394
- If Journal Partition Crashes 395
- /dev/rst12 396
- If Database Partition Crashes 397
- For SCSI-attached libraries: 398
- For standalone drives: 398
- If Cache Partition Crashes 399
- System Panics 401
- Operating 403
- Files in /dir Directory 403
- Power Failure 407
- Messages Generated by AMASS 408
- Scripts for 413
- ŽŽŽŽŽ/etc/archivedate.AMASS 417
- ŽŽŽŽŽŽ>>${TEMPFILE} 417
- Fine-tune 423
- Block Size 423
- Optimize Tape Block Size 425
- MAXIOSZ 426
- . This concept is 428
- The configurable -b 428
- Commands 431
- Cache Commands 433
- ./setcblist 434
- [-r read_list volumegroup] 434
- [-w write_list volumegroup] 434
- ./setcbwght 438
- 6-00028-01 Rev A Index INX-1 441
- INX-2 Index 6-00028-01 Rev A 442
- 6-00028-01 Rev A Index INX-3 443
- INX-4 Index 6-00028-01 Rev A 444
- 6-00028-01 Rev A Index INX-5 445
- INX-6 Index 6-00028-01 Rev A 446
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