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MAC Addresses, IP Addresses, Ethernet

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ReadyNAS OS 6.7 Figure 11. Example home network with ReadyNAS In most environments, your ReadyNAS storage system's default network settings allow you to connect and communicate with your ReadyNAS storage system over your local area network and the Internet. However, you can adjust these settings to accommodate your needs. MAC Addresses Every device that uses Ethernet technology is assigned a unique MAC (Media Access Control) address that is used to identify the source device and the destination device. MAC addresses are assigned when a device is manufactured. Your ReadyNAS storage system's MAC address is listed on the system's label. You can also view it by selecting Network on the local admin page. IP Addresses IP (Internet Protocol) addresses are another key component for sharing data over a network. A unique IP address is assigned to every network-connected device. IP addresses come in two varieties: static and dynamic. Static IP addresses do not change, but dynamic IP addresses do change. Unlike MAC addresses, IP addresses are not assigned by the device's manufacturer. Static IP addresses are assigned by your ISP (Internet service provider) or network administrator. Dynamic IP addresses are assigned by a DHCP (Dynamic Host Control Protocol) server. In most cases, the DHCP server belongs to an ISP, but a router or other device can also act as a DHCP server. Ethernet Your ReadyNAS storage system uses Ethernet technology to transfer information on your local area network. Ethernet technology divides data into smaller pieces, called packets or frames, before transmitting it on your network. Ethernet technology includes methods to check for data transmission errors. MTU You can also configure the maximum size of packets that are sent across a network. This setting is called MTU (maximum transmission unit). A large MTU can help speed data transmission in some circumstances. However, using a large packet size becomes inefficient if an error occurs during transmission. That is because if any part of a large packet is corrupt, the entire large packet must be resent. If you use a smaller MTU, smaller packets are resent if a communication error occurs. Your ReadyNAS system supports at least a maximum MTU size of 9214 bytes. (Some models support 9216 bytes.) Use this MTU size only if all components of your network, for example, network interface cards (NICs), hosts, and your switch, support packets of this size or larger. Also MTU sizes greater than the default can affect services such as ReadyCLOUD, ReadyNAS Replicate, and potentially Amazon Cloud. System Settings 160

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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Figure 11. Example home network with ReadyNAS

In most environments, your ReadyNAS storage system’s default network settings allow you to connect and

communicate with your ReadyNAS storage system over your local area network and the Internet. However,

you can adjust these settings to accommodate your needs.

MAC Addresses

Every device that uses Ethernet technology is assigned a unique MAC (Media Access Control) address that

is used to identify the source device and the destination device. MAC addresses are assigned when a device

is manufactured.Your ReadyNAS storage system’s MAC address is listed on the system’s label.You can

also view it by selecting

Network

on the local admin page.

IP Addresses

IP (Internet Protocol) addresses are another key component for sharing data over a network. A unique IP

address is assigned to every network-connected device. IP addresses come in two varieties: static and

dynamic. Static IP addresses do not change, but dynamic IP addresses do change.

Unlike MAC addresses, IP addresses are not assigned by the device’s manufacturer. Static IP addresses

are assigned by your ISP (Internet service provider) or network administrator. Dynamic IP addresses are

assigned by a DHCP (Dynamic Host Control Protocol) server. In most cases, the DHCP server belongs to

an ISP, but a router or other device can also act as a DHCP server.

Ethernet

Your ReadyNAS storage system uses Ethernet technology to transfer information on your local area network.

Ethernet technology divides data into smaller pieces, called packets or frames, before transmitting it on your

network. Ethernet technology includes methods to check for data transmission errors.

MTU

You can also configure the maximum size of packets that are sent across a network.This setting is called

MTU (maximum transmission unit). A large MTU can help speed data transmission in some circumstances.

However, using a large packet size becomes inefficient if an error occurs during transmission.That is because

if any part of a large packet is corrupt, the entire large packet must be resent. If you use a smaller MTU,

smaller packets are resent if a communication error occurs.

Your ReadyNAS system supports at least a maximum MTU size of 9214 bytes. (Some models support 9216

bytes.) Use this MTU size only if all components of your network, for example, network interface cards

(NICs), hosts, and your switch, support packets of this size or larger. Also MTU sizes greater than the default

can affect services such as ReadyCLOUD, ReadyNAS Replicate, and potentially Amazon Cloud.

System Settings

160

ReadyNAS OS 6.7