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Command Line Interface User’s Guide
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Scrubbing a RAID-5 Set
The CLI allows you to scrub a RAID-5 set. Scrubbing a RAID-5 set
recalculates and replaces, if necessary, the parity information. You
use the container scrub command to scrub a RAID-5 set.
To work with scrubbing a RAID-5 set, you must understand:
■ The RAID-5 set scrub attributes that you can specify
■ How to scrub a RAID-5 set
The following sections discuss each of these topics.
Understanding the RAID-5 Set Scrub Attributes You can Specify
You use the container scrub command to scrub a RAID-5 set.
Before scrubbing a RAID-5 set, consider the following attributes you
can specify:
■ I/O delay
■ No repair
■ Wait
Specifying the I/O Delay When Scrubbing a RAID-5 Set
The i/o delay attribute indicates the number of milliseconds the
controller waits between the I/O operations required to scrub the
redundant container. The I/O delay value is not preserved between
operating system reboots. Valid values are 0 through 100.
In the following example, the container scrub command with
the /io_delay switch sets the delay to 10 milliseconds.
HPN0> container scrub /io_delay=10 2
Executing: container scrub /io_delay=10 2
Specifying No Repair when Scrubbing a RAID-5 Set
The no repair attribute indicates if the scrub operation repairs
errors if they are encountered.
In the following example, the container scrub command with
the /no_repair switch repairs errors if they are encountered.
- HP NetRAID-4M 1
- 4 Working with Disks 4
- 5 Working with Disksets 5
- 9 Modifying Containers 9
- Contents 11
- 13 Working with Tasks 12
- 15 Working with Scripts 13
- Getting Started 15
- Supported Platforms 16
- Organization 16
- Conventions 18
- Related Documentation 18
- Notes, Cautions, and Warnings 19
- Introducing the Command 21
- Line Interface 21
- Working with Controllers 25
- Windows NT and Windows 2000 28
- Displaying a Controller Name 32
- Displaying Controller Memory 37
- Rescanning a Controller 39
- Displaying a Channel Number 46
- Displaying a Channel’s Type 47
- Resetting a Channel 48
- Understanding Batteries 48
- Reconditioning the Battery 50
- Working with Disks 51
- Understanding Disk Attributes 52
- Displaying Device Types 53
- Displaying Removable Media 54
- Displaying the Vendor ID 54
- Displaying the Product ID 55
- Displaying Disk Usage 56
- Displaying Disk Defects 57
- Initializing a Disk 58
- HPN0> disk list 1 60
- Executing: disk list (ID=1) 60
- Working with Partitions 61
- Displaying a Container’s Type 65
- Num Type R/W 66
- Type R/W 66
- Verifying a Disk 68
- Blinking a Disk Light 69
- Working with S.M.A.R.T. Disks 69
- Exceptions 71
- Displaying the Diskset ID 81
- Displaying the Creator ID 82
- Displaying the Owner 83
- Displaying a Diskset’s Label 85
- Shared Channel 86
- Creating a Diskset 89
- Adding a Disk to a Diskset 90
- Deleting a Diskset 93
- Assigning Diskset Management 94
- Attaching a Diskset 96
- Detaching a Diskset 97
- Changing a Diskset’s Label 98
- Taking Ownership of a Diskset 100
- Working with Disksets 101
- Working with Container 107
- Attributes 107
- (Windows Only) 111
- Displaying a Cluster Partner 113
- Specifying a Cluster Partner 114
- Container verify ENABLED 115
- Errors found 0 115
- Displaying a Container’s ID 116
- Renumbering a Container’s ID 116
- ■ container create mstripe 118
- ■ container create mvolume 118
- ■ container create raid5 118
- ■ container create stripe 118
- ■ container create volume 118
- Understanding Freespace 123
- HPN0> container readonly 0 128
- ■ Lock a container 129
- ■ Unlock a container 129
- Environment 133
- Displaying a Valid Container 135
- ■ Mirror set 136
- ■ Container reconfiguration 136
- ■ Snapshot 136
- ■ RAID-5 set 136
- Working With Single-level 151
- Containers 151
- Working with a Volume Set 152
- Working with a Stripe Set 156
- Working with a Mirror Set 161
- Specifying the I/O Delay 162
- Working with a RAID-5 Set 165
- Working with Multi-level 173
- Mirror Sets 178
- ■ stripe size 179
- ■ container label 179
- Container 0 created 179
- Volume Sets 182
- Stripe Sets 185
- RAID-5 Sets 200
- Modifying Containers 209
- You can Specify 210
- Extending a File System 212
- Working with Mirror Sets 218
- Unmirroring a Mirror Set 220
- Scrubbing a Mirror Set 222
- Scrubbing a RAID-5 Set 226
- Enabling Write Cache 231
- Container 234
- Container You can Specify 237
- Assigning Global Spare Disks 238
- Removing Global Spare Disks 239
- Working with File Systems 241
- Specifying a Container Label 242
- Specifying the File System 242
- Specifying Quick Format 243
- Removing a File System 247
- Extending a Container 248
- Specifying Freespace 249
- Attributes You can Specify 251
- Taking a Container Offline 252
- Deleting a Container 253
- Working with Snapshot 257
- Creating a Snapshot Container 258
- Updating a Snapshot Container 263
- Removing a Snapshot Container 265
- Working with Diagnostic 269
- Commands 269
- Dumping Diagnostic Data 272
- Dumping Data Structures 274
- Clearing Boot Parameters 274
- Setting a Boot Parameter 275
- Setting the Interrupt Count 275
- Setting the Interrupt Timer 276
- Loading Containers 277
- Working with Event 279
- Notification 279
- Enabling E-Mail Notification 280
- Displaying the Mail Server 281
- Displaying the Mail To Line 282
- Setting the Mail Server 283
- How to Set the Mail Server 284
- How to Test the Mail Server 286
- How to Clear the Mail Server 287
- Working with Tasks 289
- Displaying the Task ID 290
- Displaying the Task Function 291
- Displaying the Container ID 292
- Displaying the Task State 292
- Displaying the Task Status 293
- Starting Tasks 294
- Stopping Tasks 295
- Suspending Tasks 296
- Resuming Tasks 297
- Working with Remote 299
- Management 299
- Displaying the Lock Status 300
- Displaying the Computer Name 301
- Database 304
- Connection Database 306
- Working with Scripts 311
- HPN0> @clist.afa 312
- Example Scripts 316
- Example 2 317
- Example 3 318
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