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Replicating a snapshot

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4. If you want to start replication now: a. Select the Replicate Volume and Now options. b. Optionally change the default replication image name. A name is case sensitive and cannot already exist in a vdisk. A name cannot include a comma, double quote, or backslash. c. Continue with the final step. 5. If you want to schedule replication: a. Select the Replicate Volume and Scheduled options. b. Set the options: • Replication image prefix. Optionally change the default prefix to identify images created by this schedule. The prefix is case sensitive and cannot include a comma, double quote, or backslash. • Start Schedule. Specify a date and a time in the future for the schedule to start running. Date must use the format yyyy-mm-dd. Time must use the format hh:mm followed by either AM, PM, or 24H (24-hour clock). For example, 13:00 24H is the same as 1:00 PM. • Recurrence. Specify how often the schedule should run. • Time Constraint. Specify a time range within which the schedule should run. • Date Constraint. Specify days when the schedule should run. • End Schedule. Specify when the schedule should stop running. c. Continue with the final step. 6. If you do not want to start or schedule replication, clear the Replicate Volume checkbox. The replication set will still be created and you can replicate the volume at a later time. 7. Click Apply. Within a couple of minutes, the replication set is created and the following changes occur in the Configuration View panel: • Under the source vdisk: • The selected source volume changes to a master volume, and is identified as the external-view volume. • Under the source volume the destination volume appears. • If a replication was performed, under both the source volume and the destination volume a replication image appears. • If not already present, the source volume's snap pool appears. • Under the destination vdisk: The destination volume appears. • Under the destination volume the external-view (source) volume appears. • If a replication was performed, under both the external-view volume and the destination volume a replication image appears. • If not already present, the destination volume's snap pool appears. Replicating a snapshot If the system is licensed to use remote replication, you can replicate an existing, external-view snapshot that is mapped to a host. You can only replicate a snapshot of a volume that is already part of a replication set. If the selected snapshot hasn't already been replicated on the associated replication volume, each replication volume in the replication set is requested to replicate the snapshot data. Only snapshot preserved data is replicated; snapshot modified data is not replicated. To replicate a snapshot 1. In the Configuration View panel, right-click a snapshot and select Provisioning > Replicate Snapshot. 2. In the main panel, optionally change the default replication image name. A name is case sensitive and cannot already exist in a vdisk. A name cannot include a comma, double quote, or backslash. 3. Click Apply. In a few seconds, the following changes occur in the Configuration View panel: • Under the source vdisk, under both the source volume and the destination volume a replication image appears. • Under the destination vdisk, under both the external-view volume and the destination volume a replication image appears. 108 Using Remote Snap to replicate volumes

Section	Page
Contents	3
Figures	9
Tables	11
About this guide	13
Intended audience	13
Prerequisites	13
Related documentation	13
Document conventions and symbols	14
HP technical support	14
Product warranties	15
Subscription service	15
HP web sites	15
Documentation feedback	15
Getting started	17
Configuring and provisioning a new storage system	17
Browser setup	17
Signing in	18
Tips for signing in and signing out	18
Tips for using the main window	18
Tips for using the help window	19
System concepts	20
About user accounts	20
Related topics	21
About vdisks	21
Related topics	22
About spares	22
Related topics	22
About volumes	23
Related topics	23
About hosts	23
Related topics	24
About volume mapping	24
Related topics	25
About volume cache options	25
Using write-back or write-through caching	25
Optimizing read-ahead caching	25
Related topics	26
About managing remote systems	26
Related topics	26
About the Snapshot feature	27
Related topics	28
About the Volume Copy feature	29
Related topics	30
About the VDS and VSS hardware providers	30
About RAID levels	30
About size representations	32
Related topics	32
About the system date and time	33
Related topics	33
About storage-space color codes	33
About Configuration View icons	34
About vdisk reconstruction	34
About data protection in a single-controller storage system	35
Configuring the system	37
Using the Configuration Wizard	37
Step 1: Starting the wizard	37
Step 2: Changing default passwords	37
Step 3: Configuring network ports	37
Step 4: Enabling system-management services	38
Step 5: Setting system information	38
Step 6: Configuring event notification	38
Step 7: Configuring host ports	39
Step 8: Confirming configuration changes	40
Installing a license	40
Configuring system services	41
Changing management interface settings	41
Configuring email notification	42
Configuring SNMP notification	42
Configuring user accounts	43
Adding users	43
Modifying users	43
Removing users	44
Configuring system settings	45
Changing the system date and time	45
Changing host interface settings	45
Changing network interface settings	47
Setting system information	47
Configuring advanced settings	48
Changing disk settings	48
Configuring SMART	48
Configuring drive spin down for available disks and global spares	48
Configuring dynamic spares	48
Configuring the EMP polling rate	49
Changing system cache settings	49
Changing the synchronize-cache mode	49
Changing the missing LUN response	49
Controlling host access to the system's write-back cache setting	50
Changing auto-write-through cache triggers and behaviors	50
Configuring partner firmware update	51
Configuring system utilities	51
Configuring background scrub	51
Configuring utility priority	51
Configuring remote systems	52
Adding a remote system	52
Removing a remote system	52
Configuring a vdisk	52
Managing dedicated spares	52
Changing a vdisk's name	53
Changing a vdisk's owner	53
Configuring vdisk drive spin down	53
Configuring a volume	54
Changing a volume's name or OpenVMS UID	54
Changing a volume's cache settings	54
Configuring a snapshot	55
Changing a snapshot’s name	55
Configuring a snap pool	55
Changing a snap pool’s name	55
Provisioning the system	57
Using the Provisioning Wizard	57
Step 1: Starting the wizard	57
Step 2: Specifying the vdisk name and RAID level	57
Step 3: Selecting disks	58
Step 4: Defining volumes	58
Step 5: Setting the default mapping	59
Step 6: Confirming vdisk settings	59
Creating a vdisk	59
Deleting vdisks	60
Managing global spares	60
Creating a volume set	61
Creating a volume	61
Deleting volumes	62
Changing default mapping for multiple volumes	62
Explicitly mapping multiple volumes	63
Changing a volume's default mapping	64
Changing a volume's explicit mappings	64
Unmapping volumes	65
Expanding a volume	65
Creating multiple snapshots	66
Creating a snapshot	66
Deleting a snapshot	67
Resetting a snapshot	67
Creating a volume copy	68
Aborting a volume copy	69
Rolling back a volume	69
Creating a snap pool	70
Deleting snap pools	70
Adding a host	71
Removing hosts	71
Changing a host's name	71
Changing host mappings	72
Configuring CHAP	72
Modifying a schedule	73
Deleting schedules	74
Using system tools	75
Updating firmware	75
Updating controller module firmware	75
Updating expansion module firmware	76
Updating disk firmware	76
Saving logs	77
Resetting a host port	78
Rescanning disk channels	78
Restoring system defaults	78
Clearing disk metadata	78
Restarting or shutting down controllers	79
Restarting	79
Shutting down	79
Testing event notification	80
Expanding a vdisk	80
Before expanding a vdisk	80
Verifying a vdisk	81
Scrubbing a vdisk	81
Removing a vdisk from quarantine	82
Expanding a snap pool	82
Checking links to a remote system	83
Viewing system status	85
Viewing information about the system	85
System properties	85
Enclosure properties	85
Disk properties	85
Vdisk properties	85
Volume properties	85
Snap-pool properties	85
Snapshot properties	86
Schedule properties	86
Configuration limits	86
Licensed features	86
Version properties	86
Viewing the system event log	86
Viewing information about all vdisks	87
Viewing information about a vdisk	88
Vdisk properties	88
Disk properties	89
Volume properties	90
Snap-pool properties	90
Viewing information about a volume	90
Volume properties	90
Mapping properties	90
Schedule properties	91
Viewing information about a snapshot	92
Snapshot properties	92
Mapping properties	92
Schedule properties	92
Viewing information about a snap pool	93
Snap-pool properties	93
Volume properties	94
Snapshot properties	94
Viewing information about all hosts	94
Viewing information about a host	94
Host properties	94
Mapping properties	95
Viewing information about an enclosure	95
Enclosure properties	95
Disk properties	96
Power supply properties	97
Fan properties	97
Controller module properties	97
Controller module: network port properties	98
Controller module: host port properties	98
Controller module: expansion port properties	98
Controller module: CompactFlash properties	99
Drive enclosure: I/O module properties	99
I/O module: In port properties	99
I/O module: Out port properties	99
Viewing information about a remote system	100
Using Remote Snap to replicate volumes	101
About the Remote Snap replication feature	101
Replication actions	103
Remote replication disaster recovery	104
Remote replication licensing	105
Related topics	105
Using the Replication Setup Wizard	106
Step 1: Starting the wizard	106
Step 2: Selecting the source volume	106
Step 3: Selecting the replication mode	106
Step 4: Selecting the destination volume	107
Step 5: Confirming replication settings	107
Replicating a volume	107
Replicating a snapshot	108
Removing replication from a volume	109
Suspending replication	109
Resuming replication	109
Aborting replication	110
Detaching a replication volume	110
Reattaching a replication volume	110
Exporting a replication image to a snapshot	111
Changing the external view for a replication set	111
To change the external view to the destination volume	111
To change the external view back to the source volume	111
Viewing replication addresses and images for a volume	112
Replication addresses	112
Replication images	112
Viewing information about a replication volume	112
Replication properties	113
Replication addresses	113
Replication image properties	113
Viewing information about a replication image	113
Replication status properties	113
Source snapshot properties	113
Destination snapshot properties	114
SNMP reference	115
Standard MIB-II behavior	115
Enterprise traps	115
FA MIB 2.2 SNMP behavior	116
External details for certain FA MIB 2.2 objects	121
External details for connUnitRevsTable	121
External details for connUnitSensorTable	122
External details for connUnitPortTable	123
Configuring SNMP event notification in SMU	123
SNMP management	123
Enterprise trap MIB	123
FA MIB 2.2 and 4.0 differences	126
Using FTP to download logs and update firmware	127
Downloading system logs	127
Updating controller module firmware	128
Updating expansion module firmware	129
Updating disk firmware	131
Installing a license file	132
Glossary	133

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108

Using Remote Snap to replicate volumes

If you want to start replication now:

Select the

Replicate Volume

and

Now

options.

Optionally change the default replication image name. A name is case sensitive and cannot

already exist in a vdisk. A name cannot include a comma, double quote, or backslash.

Continue with the final step.

If you want to schedule replication:

Select the

Replicate Volume

and

Scheduled

options.

Set the options:

•

Replication image prefix. Optionally change the default prefix to identify images created by this

schedule. The prefix is case sensitive and cannot include a comma, double quote, or backslash.

•

Start Schedule. Specify a date and a time in the future for the schedule to start running. Date

must use the format

yyyy

. Time must use the format

followed by either AM, PM, or

24H (24-hour clock). For example, 13:00 24H is the same as 1:00 PM.

•

Recurrence. Specify how often the schedule should run.

•

Time Constraint. Specify a time range within which the schedule should run.

•

Date Constraint. Specify days when the schedule should run.

•

End Schedule. Specify when the schedule should stop running.

Continue with the final step.

If you do not want to start or schedule replication, clear the Replicate Volume checkbox. The replication

set will still be created and you can replicate the volume at a later time.

Click

Apply

. Within a couple of minutes, the replication set is created and the following changes occur

in the Configuration View panel:

•

Under the source vdisk:

•

The selected source volume changes to a master volume, and is identified as the external-view

volume.

•

Under the source volume the destination volume appears.

•

If a replication was performed, under both the source volume and the destination volume a

replication image appears.

•

If not already present, the source volume's snap pool appears.

•

Under the destination vdisk: The destination volume appears.

•

Under the destination volume the external-view (source) volume appears.

•

If a replication was performed, under both the external-view volume and the destination volume

a replication image appears.

•

If not already present, the destination volume's snap pool appears.

Replicating a snapshot

If the system is licensed to use remote replication, you can replicate an existing, external-view snapshot that

is mapped to a host. You can only replicate a snapshot of a volume that is already part of a replication set.

If the selected snapshot hasn't already been replicated on the associated replication volume, each

replication volume in the replication set is requested to replicate the snapshot data. Only snapshot

preserved data is replicated; snapshot modified data is not replicated.

To replicate a snapshot

In the Configuration View panel, right-click a snapshot and select

Provisioning > Replicate Snapshot

In the main panel, optionally change the default replication image name. A name is case sensitive and

cannot already exist in a vdisk. A name cannot include a comma, double quote, or backslash.

Click

Apply

. In a few seconds, the following changes occur in the Configuration View panel:

•

Under the source vdisk, under both the source volume and the destination volume a replication

image appears.

•

Under the destination vdisk, under both the external-view volume and the destination volume a

replication image appears.