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Cisco Wide Area Application Services Command Reference
OL-11817-01
Chapter 3 CLI Commands
(config) disk
With a WAAS device, a disk device error is defined as any of the following events:
• A SCSI or IDE device error is printed by the Linux kernel.
• A disk device access by an application (for example, an open(2), read(2), or write(2) system call)
fails with an EIO error code.
• A disk device that existed at startup time is not accessible at run time.
The disk status is recorded in Flash memory (nonvolatile storage). When an error occurs on the disk drive
of a WAAS device, a message is written to the system log (syslog) if the SYSFS partition is still intact,
and an SNMP trap is generated if SNMP is configured on the WAAS device.
Specifying the Disk Error-Handling Threshold
You can define a disk device error-handling threshold on the WAAS device. If the number of disk device
errors reaches the specified threshold, the corresponding disk device is automatically marked as bad. By
default, this threshold is set to 10. The device does not stop using the bad disk device immediately; it
stops using the bad disk drive after the next reboot.
To change the default threshold, use the disk error-handling threshold global configuration command.
Specify 0 if you never want the disk drive to be marked as bad.
If the specified threshold is exceeded, the WAAS device either records this event or reboots. If the bad
disk drive is a critical disk drive, and the automatic reload feature (disk error-handling reload
command) is enabled, then the WAAS software marks the disk drive as bad, and the WAAS device is
automatically reloaded. After the WAAS device is reloaded, a syslog message and an SNMP trap are
generated.
By default, the automatic reload feature is disabled on a WAAS device. To enable the automatic reload
feature, use the disk error-handling reload global configuration command. After enabling the
automatic reload feature, use the no disk error-handling reload global configuration command to
disable it.
Examples In the following example, an administrator configures five disk drive errors for a particular disk drive
(for example, disk00) as the maximum number of errors allowed before the disk drive is automatically
marked as bad:
WAE(config)# disk error-handling threshold 5
Related Commands disk
show disks
- Command Reference 1
- CONTENTS 3
- Contents 10
- OL-11817-01 10
- Audience 11
- Document Organization 12
- Document Conventions 13
- Related Documentation 13
- Guidelines 14
- Using Command Modes 16
- Using EXEC Mode 17
- Using ACL Configuration Modes 19
- Command Modes Summary 19
- Device Mode 20
- Using Command-Line Processing 21
- Checking Command Syntax 21
- Using the no Form of Commands 23
- Using System Help 23
- Saving Configuration Changes 23
- Directory Descriptions 25
- CLI Commands 43
- EXEC Mode Commands 44
- clear 46
- clock 49
- copy cdrom 54
- copy compactflash 55
- copy disk 56
- copy ftp 57
- Upgrading the BIOS 58
- copy http 61
- copy running-config 65
- copy startup-config 66
- copy sysreport 67
- copy system-status 69
- copy tech-support 70
- copy tftp 71
- cpfile 73
- debug 74
- delfile 80
- WAE# delfile /local1/tempfile 80
- deltree 81
- WAE# deltree /local1/testdir 81
- Related Commands lls 83
- disk 85
- find-pattern 92
- install 95
- less 96
- WAE# less syslog.txt 96
- Related Commands dir 98
- Chapter 3 CLI Commands 100
- mkdir 101
- WAE# mkdir /oldpaxfiles 101
- ntpdate 103
- WAE# ntpdate 10.11.23.40 103
- WAE# reload force 106
- reload 106
- rename 107
- restore 108
- Nothing is displayed 110
- rmdir 112
- WAE# rmdir /local1/oldfiles 112
- script 115
- • Exec shell 117
- • System 117
- show aaa accounting 118
- show adapter 119
- show alarms 120
- show arp 123
- show authentication 124
- show auto-register 126
- show banner 127
- show bypass 128
- show cdp 129
- show clock 135
- show cms 137
- show device-mode 142
- show disks 144
- show flash 147
- show hardware 148
- show hosts 151
- show inetd 152
- show interface 153
- show inventory 158
- • Defined access lists 159
- show ip access-list 160
- show ip routes 161
- show kerberos 162
- show memory 164
- show ntp 165
- show policy-engine status 171
- (config) policy-engine config 172
- show print-services 173
- show processes 175
- show radius-server 177
- (config) windows-domain 182
- show snmp 183
- (config) snmp-server view 188
- show ssh 189
- show standby 190
- (config-if) standby 191
- Related Commands configure 193
- show statistics dre 196
- show statistics dre peer 200
- Related Commands debug 202
- show statistics epm 203
- show statistics icmp 204
- show statistics ip 206
- Related Commands clear 208
- (config) ip 208
- (config-if) ip 208
- show statistics netstat 209
- show statistics radius 210
- show statistics services 212
- show statistics snmp 213
- show statistics tacacs 215
- show statistics tcp 217
- show statistics tfo 221
- show statistics udp 223
- show statistics wccp 224
- show sysfs 231
- show tacacs 232
- show tcp 234
- (config) tcp 235
- show tech-support 238
- show tfo bufpool 244
- show tfo connection 246
- show user 252
- show users administrative 253
- (config) username 254
- show version 255
- show wccp 256
- show windows-domain 262
- snmp trigger 267
- Related Commands tcpdump 275
- type 278
- WAE# type /local1/syslog.txt 278
- type-tail 279
- undebug 281
- wafs 286
- windows-domain 289
- write 292
- WAE# write memory 292
- Configuration Mode Commands 293
- (config) aaa accounting 294
- (config) adapter 298
- (config) asset 301
- (config) authentication 302
- (config) authentication 303
- Server Redundancy 305
- (config) auto-register 307
- (config) auto-register 308
- (config) banner 310
- (config) banner 312
- (config) bypass 313
- Related Commands show bypass 314
- (config) cdp 315
- (config) cdp 316
- (config) central-manager 317
- Standby WAAS Central Managers 318
- (config) clock 320
- Africa/Algiers +1 321
- UTC (continued) 322
- (config) cms 324
- (config) device mode 326
- (config) device mode 327
- (config) disk 328
- (config) disk 329
- (config) end 330
- (config) exec-timeout 331
- (config) exit 332
- (config) help 333
- (config) hostname 335
- (config) inetd 336
- (config) interface 337
- (config) interface 338
- InlineGroup Interface 341
- InlinePort Interface 341
- (config) ip access-list 347
- (config) kerberos 350
- (config) kernel 352
- (config) line 353
- (config) logging 354
- (config) logging 355
- (config) no 358
- (config) no 359
- WAE(config)# no telnet enable 359
- (config) ntp 360
- (config) port-channel 382
- (config) primary-interface 383
- (config) print-services 385
- (config) print-services 386
- (config) radius-server 388
- (config) smb-conf 390
- (config) smb-conf 391
- (config) snmp-server contact 397
- (config) snmp-server group 401
- (config) snmp-server host 403
- (config) snmp-server location 405
- (config) snmp-server mib 406
- Downloading MIB Files to WAEs 407
- (config) snmp-server user 409
- (config) snmp-server user 410
- (config) sshd 412
- (config) ssh-key-generate 415
- (config) tacacs 416
- (config) tcp 420
- (config) telnet enable 422
- (config) tfo auto-discovery 423
- (config) tfo optimize 424
- (config) tfo tcp keepalive 425
- (config) tfo tcp original-mss 429
- (config) transaction-logs 432
- (config) transaction-logs 433
- • /local1/logs/working.log 436
- • /local2/logs/working.log 436
- User Authentication 441
- User Authorization 441
- (config) wccp access-list 442
- (config) wccp flow-redirect 445
- (config) wccp router-list 446
- (config) wccp shutdown 447
- (config) wccp slow-start 449
- (config) wccp tcp-promiscuous 451
- (config) wccp version 453
- (config-if) autosense 458
- (config-if) bandwidth 459
- (config-if) cdp 461
- (config-if) exit 462
- (config-if) failover timeout 463
- (config-if) full-duplex 464
- (config-if) half-duplex 465
- (config-if) inline 466
- (config-if) ip access-group 470
- (config-if) mtu 471
- (config-if) no 472
- (config-if) shutdown 474
- (config-if) standby 476
- (config-std-nacl) delete 483
- (config-std-nacl) deny 484
- (config-std-nacl) exit 486
- (config-std-nacl) list 487
- (config-std-nacl) move 488
- (config-std-nacl) permit 489
- WAE(config-ext-nacl)# 491
- (config-ext-nacl) delete 494
- (config-ext-nacl) deny 495
- (config-ext-nacl) deny 496
- (config-ext-nacl) exit 500
- (config-ext-nacl) list 501
- (config-ext-nacl) move 502
- (config-ext-nacl) permit 503
- (config-ext-nacl) permit 504
- Acronyms and Abbreviations 509
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