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Horizontally Expand a Flex-RAID Volume, Vertically Expand a Volume

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ReadyNAS OS 6.7 Horizontally Expand a Flex-RAID Volume Horizontal expansion of a Flex-RAID volume is possible, but more complex and less space efficient than expanding an X-RAID volume. In effect, you create a new Flex-RAID volume and ReadyNAS OS uses both the existing and new volumes as parts of the same larger volume. Other configurations are possible, but We recommend expanding the volume by the same number of disks as the original volume; for example, expand a 3-disk RAID 5 Flex-RAID volume by adding three disks. To horizontally expand a Flex-RAID volume: 1. Add disks to the ReadyNAS, if necessary. For more information about how to add a disk to your ReadyNAS system, see the hardware manual for your system, which is available at http://www.netgear.com/support/product/ReadyNAS_OS_6. 2. Log in to the local admin page. 3. Select System > Volumes. 4. Select the volume to expand. 5. Select the unallocated disks to add to the volume. When you select disks additional buttons appear on the volume. 6. Select the Expand button. A Window opens asking you to verify you want to expand the volume. 7. Select the Yes button. The volume expands immediately, but requires a resync, which starts immediately. The volume display includes a resync progress bar. Vertically Expand a Volume Both X-RAID and Flex-RAID volumes support vertical expansion. When you vertically expand a Flex-RAID volume, you must replace all disks in the volume with larger-capacity disks. Note Vertical expansion is not available for RAID 0 volumes. When you vertically expand an X-RAID volume, you must replace disks in the volume according to the following table. Table 2. X-RAID vertical expansion requirements RAID Level Disk Replacements Required for Vertical Expansion RAID 1 RAID 5 RAID 6 Replace 2 or more disks with larger-capacity disks. Replace 2 or more disks with larger-capacity disks. Replace 4 or more disks with larger-capacity disks. If you replace fewer disks than required for vertical expansion, the disks are reserved for data protection. Your available storage capacity does not increase to accommodate the reserved disks until you replace the required number of disks. Volume Configuration 35

Section	Page
Contents	3
1. Getting Started	8
Quick-Start Guide	9
Additional Documentation	9
Supported ReadyNAS Systems	9
Supported Operating Systems	10
Supported Browsers	11
Diskless Systems	11
Basic Installation	11
Upgrade Pre-6.2 ReadyNAS Firmware for Use With ReadyCLOUD	12
Discover and Set Up Your ReadyNAS Using ReadyCLOUD	14
Local Setup Wizard	15
Local Admin Page	16
Access the Local Admin Page	18
Register Your System	18
Five Levels of Protection	20
The ReadyNAS Community	20
2. Volume Configuration	21
Basic Volume and RAID Concepts	22
Volumes	22
RAID	22
Manage Volumes	25
Change RAID Mode	26
View the Status of a Volume	28
Configure the Checksum Function	30
Create and Encrypt a Volume	31
Delete a Volume	33
Expand Storage Capacity	34
Add Protection to a Volume	36
Add Protection to a Flex-RAID Volume	37
Add a Group to a Flex-RAID Volume	38
Use the Volume Management Wizard to Create a Volume	39
Maintain Volumes	40
Balance a Volume	42
Export a Volume	43
Schedule Volume Maintenance	44
3. Shared Folders	46
Basic Shared Folder Concepts	47
Data Organization	47
Shared Folder Defaults	47
File and Folder Names	48
File-Sharing Protocols	48
Quotas on Shared Folders	49
Bit Rot Protection	49
Home Folders	50
Manage Shared Folders	50
Create a Shared Folder	50
View and Change the Properties of a Shared Folder	52
Delete a Shared Folder	53
Browse a Shared Folder	54
Set or Change Bit Rot Protection	54
Shared Folder Access Rights	56
User and Group Authentication	56
Set Network Access Rights to Shared Folders for Common Protocols	56
Set Network Access Rights to Shared Folders	57
Set Up Access Rights to Files and Folders	69
Access Shared Folders From a Network-Attached Device	72
Use a Web Browser	72
Use a Windows Device	73
Use a Mac OS X Device	74
Use a Linux or Unix Device	74
Use FTP and FTPS	75
Use Rsync	76
4. LUNs	77
Basic LUN Concepts	78
Thin and Thick Provisioning	78
Default LUN Settings	79
Manage LUNs	79
Create a LUN	79
View and Change the Properties of a LUN	81
Expand the Size of a LUN	83
Delete a LUN	85
LUN Groups and Access Rights	86
Create a LUN Group	86
Assign a LUN to a LUN Group	87
Remove a LUN From a LUN Group	88
Delete a LUN Group	88
Manage Access Rights for LUN Groups	89
Access LUN Groups From an iSCSI-Attached Device	95
Set Up Initiator Access	96
Initialize and Format LUNs	101
5. Snapshots	104
Basic Snapshot Concepts	105
Smart Snapshot Management	105
Rolling Back	106
Clones	106
View and Change Share Snapshot Properties	106
Manually Take a Snapshot	107
Browse Snapshots Using Recovery Mode	108
Roll Back to a Snapshot Using Recovery Mode	109
Clone Snapshots	111
Delete Snapshots	113
Delete Snapshots Using Recovery Mode	113
Recover Data From a Snapshot	114
Recover Data From a Snapshot to a Network-Attached Device	114
Recover Data From a Snapshot to an iSCSI-Attached Device	115
6. Users and Groups	116
User and Group Accounts	117
Home Folders	117
User and Group Account Limitations	117
User and Group Management Modes	117
User Accounts	120
Configure Default User Settings	121
Create User Accounts	121
Edit User Accounts	122
Delete User Accounts	124
Change User Passwords	125
Group Accounts	125
Create Groups	126
Edit Groups	126
Delete Groups	128
Cloud Users	129
Grant Access to Cloud Users	129
Cloud User Access Rights	129
7. Use Cloud Services	131
Use ReadyCLOUD	132
Join ReadyCLOUD	132
Use ReadyCLOUD to Share Folders Through Email	133
Use ReadyCLOUD to Share Folders With ReadyCLOUD Users	136
Delete ReadyCLOUD Users	138
Manage Permissions for ReadyCLOUD Users	139
Access Your System Using ReadyCLOUD	140
Sync With Amazon Cloud Drive	141
Sync With Amazon S3	142
Sync With Dropbox	144
Sync With Egnyte	145
Sync With Google Drive	146
ReadyNAS Vault	148
ReadyNAS Replicate	150
Enable ReadyNAS Replicate	150
8. System Settings	152
Customize the Basic System Settings	153
Set the Clock	153
Select the Language	154
Set the Administrator Password	155
Configure System Alerts	157
Configure the Host Name	157
Enable Antivirus	158
Configure the Network Settings	159
Basic Network Concepts	159
Configure the Ethernet Interfaces	161
Configure Bonded Adapters	164
Configure Static Routes	170
Create a VLAN	170
Configure Global Settings for System Services	172
Basic File-Sharing Concepts	172
Supported System Services	172
Configure System Services	173
Download an SSH Public Key File	179
Configure a User Account to Use SSH	180
Configure Media Services	182
ReadyDLNA	182
iTunes Streaming Server	184
Configure Discovery Services	186
Back Up or Restore System Configuration	186
9. System Power	189
Manage Power Usage	190
What Is Disk Spin-Down	191
Set or Change Disk Spin-Down	192
Optional Uninterruptible Power Supplies	193
Uninterruptible Power Supplies	193
UPS Configurations	193
Manage UPS Devices	194
10. Install and Manage Apps	198
Install Apps	199
Manage Installed Apps	199
11. System Monitoring	201
System and Disk Health Information	202
System Real-Time and Historical Monitoring	202
System Logs	205
Downloading Logs	207
SNMP Monitoring	208
12. System Maintenance	210
Update Firmware	211
Reset the Firmware to Factory Defaults	213
Recover the Administrator Password	214
Shut Down or Restart the System	215
13. Backup and Recovery	217
Backup Concepts	218
Recovery Concepts	219
Secure Cloud Backups	220
Backup Protocols	220
Backups Compared to ReadyDR Backups	221
Back Up Files	221
Backup Job Recommendations	221
Create a Backup Job	222
Create a Recovery Job	225
Modify a Backup or Recovery Job	229
Manually Start a Backup or Recovery Job	239
Delete a Backup or Recovery Job	240
View or Clear a Job Log	240
Configure the Backup Button	241
Backup Snapshots With ReadyDR	243
Load System Access Key Before Using ReadyDR	244
Seed a ReadyDR Job	245
Create a ReadyDR Job	245
Monitor and Change ReadyDR Jobs	248
Recovery Using ReadyDR Snapshots	248
Back Up a Camera or Other Media Device	249
Back Up Using Time Machine	250
Back Up Your Mac Using a Shared Time Machine	251
Back Up Your Mac Using a Private Time Machine	252

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Horizontally Expand a Flex-RAID Volume

Horizontal expansion of a Flex-RAID volume is possible, but more complex and less space efficient than

expanding an X-RAID volume. In effect, you create a new Flex-RAID volume and ReadyNAS OS uses both

the existing and new volumes as parts of the same larger volume. Other configurations are possible, but

We recommend expanding the volume by the same number of disks as the original volume; for example,

expand a 3-disk RAID 5 Flex-RAID volume by adding three disks.

To horizontally expand a Flex-RAID volume:

Add disks to the ReadyNAS, if necessary.

For more information about how to add a disk to your ReadyNAS system, see the hardware manual for

your system, which is available at

http://www.netgear.com/support/product/ReadyNAS_OS_6

Select

System > Volumes

Select the volume to expand.

Select the unallocated disks to add to the volume.

When you select disks additional buttons appear on the volume.

Select the

Expand

button.

A Window opens asking you to verify you want to expand the volume.

Select the

Yes

button.

The volume expands immediately, but requires a resync, which starts immediately.The volume display

includes a resync progress bar.

Vertically Expand a Volume

Both X-RAID and Flex-RAID volumes support vertical expansion.

When you vertically expand a Flex-RAID volume, you must replace all disks in the volume with larger-capacity

disks.

Vertical expansion is not available for RAID 0 volumes.

Note

When you vertically expand an X-RAID volume, you must replace disks in the volume according to the

following table.

Table 2. X-RAID vertical expansion requirements

Disk Replacements Required for Vertical Expansion

RAID Level

Replace 2 or more disks with larger-capacity disks.

RAID 1

Replace 2 or more disks with larger-capacity disks.

RAID 5

Replace 4 or more disks with larger-capacity disks.

RAID 6

If you replace fewer disks than required for vertical expansion, the disks are reserved for data protection.

Your available storage capacity does not increase to accommodate the reserved disks until you replace the

required number of disks.

Volume Configuration

ReadyNAS OS 6.7