Hp Storage Mirroring V5 Software Manuale Utente

User’s GuideTenth Edition (February 2008)Part Number: T2558-96073

2 - 2Storage Mirroring operationsStorage Mirroring performs four basic types of operations.  Mirroring—The initial copy or subsequent resynchronizati

14 - 11Configuring compressionTo help reduce the amount of bandwidth needed to transmit Storage Mirroring data, compression allows you to compress dat

14 - 12Configuring and removing orphan filesAn orphan file is a file that exists in the target’s copy of the replication set data, but it does not exi

14 - 134. By default, the orphan files feature is disabled. To enable it, mark Move/Delete Orphan Files. 5. Specify if you want to Delete Orph

14 - 14 Use block checksum comparison/delta block transfer—Specify if you want the verification process to use a block checksum comparison to determi

14 - 157. Specify if you want the verification process to Use block checksum comparison/delta block transfer to determine which blocks are different.

14 - 167. Specify the Language of the log file. Currently, English is the only available language. 8. Click OK to save the settings. In the log file,

14 - 17the mask corresponds to the attributes of a file. 1. Each mask begins with 0x. Identify the hexadecimal number after the constant 0x. For examp

14 - 18compare a current revision of a file with an older revision. Storage Mirroring utilizes snapshot functionality by allowing you to create snapsh

14 - 19Understanding When to Take a SnapshotA snapshot may not necessarily be useful if the data on the target is in a bad state. You only want snapsh

14 - 20To be completely assured that your data on the target is good, automatic and scheduled snapshots only occur when the data is in a good Storage

2 - 3ReplicationReplication is the real-time transmission of file changes. Unlike other related technologies, which are based on a disk driver or a sp

14 - 21Automatic SnapshotsStorage Mirroring snapshot capability is enabled by default for those servers running Windows 2003. In order to protect your

14 - 22Queuing Storage Mirroring dataDuring the Storage Mirroring installation, you identified the amount of disk space that can be used for Storage M

14 - 23Configuring queuingYou should configure queuing on both the source and target. 1. Right-click the server on the left pane of the Management Con

14 - 244. Specify the Maximum system memory for queue. This is the amount of Windows system memory, in MB, that will be used to store data in queues.

14 - 25Configuring automatic reconnectionsWhile disk queues are user configurable and can be extensive, they are limited. If the amount of disk space

14 - 26Blocking target pathsYou can block writing to the paths on the target that contain the copy of the replication set data. This keeps the data fr

15 - 115 X Managing Data TransmissionManaging Data TransmissionStorage Mirroring data is continuously transmitted to the target machine. Although

15 - 2At the top of the Transmit tab dialog box, the Enable Transmission Limiting check box allows you to turn the transmission options on or off. Yo

15 - 34. Schedule any desired stop criteria to stop transmission after a transmission start criteria has initiated the transmission. If you do not est

15 - 4Define a window to control Storage Mirroring transmissions by enabling the feature and then specifying both window options.  Enable Transmissio

2 - 4Failure monitoring and failoverFailover is the process in which a target stands in for a failed source. As a result, user and application request

15 - 5Setting bandwidth limitationsBandwidth limitations are available to restrict the amount of network bandwidth used for Storage Mirroring data tra

15 - 66. If you want to transmit data according to a schedule using limited bandwidth, select Scheduled Bandwidth Limit. a. Click New Event to create

15 - 7

16 - 116 X FailoverFailoverFailover is the process in which a target stands in for a failed source. As a result, user and application requests tha

16 - 2Configuration requirementsStorage Mirroring failover can be implemented with very little configuration necessary in small or simple networks, bu

16 - 3WINSWhen Storage Mirroring failover occurs, Windows initiates WINS registration with the target’s primary WINS server to associate the source se

16 - 4WINS replicationWINS replication can be added to your failover and failback scripts by using the Windows NETSH command with the WINS set replica

16 - 5DNSWhen Storage Mirroring failover occurs, DNS is not automatically updated. If the end-users use DNS to resolve server names and the source IP

16 - 6You would add the following to your failover script to delete the host and reverse lookup entries and add new entries associating the source to

16 - 75. Add the appropriate DFO command to your failover script using the following command syntax. DFO Utility Command Syntax CommanddfoDescri

2 - 5RestorationRestoration provides an easy method for copying replicated data from the target back to its original location on the source. The proc

16 - 8Examples  dfo /dnssrvname gamma.domain.com /srcname alpha.domain.com /srcip 206.31.4.10 /tarip 210.11.12.13 /username domain.com\admin /passwor

16 - 9Macintosh sharesA share is any volume, drive, or directory resource that is shared across a network. During failover, the target can assume or a

16 - 10NFS sharesA share is any volume, drive, or directory resource that is shared across a network. During failover, the target can assume or add an

16 - 11Configuring failover1. The Failover Control Center can be started from within the Management Console or from the Windows desktop. From the Man

16 - 1210. Highlight an IP address that you have selected for monitoring and select the Missed Packets. This setting is the number of monitor replies

16 - 1312. If Manual Intervention is enabled, Target Data State at Failover will be disabled because the same options will be presented to you at fail

16 - 1414. By default, Manual Intervention is enabled, allowing you to control when failover occurs. When a failure occurs, a prompt appears in the Fa

16 - 15Editing failover configurationIf you want to edit the monitor settings for a source that is currently being monitored, highlight that source on

16 - 16The following table identifies how the visual indicators change as the status of failover changes. Updating shares manuallyShare inform

16 - 17Failover manual interventionIf Manual Intervention is enabled, the Failover Control Center will prompt you when a failure occurs. Click Cancel

2 - 6Storage Mirroring add-ons and featuresSpecial Storage Mirroring add-ons and features build on the core Storage Mirroring techology. For example,

17 - 117 X Restoration for Disaster RecoveryRestoration for Disaster RecoveryIf you are not using failover and your connection is for disaster rec

17 - 2 Overwrite existing files during restore—This option restores all existing files by overwriting them. Any files that do not exist on the source

18 - 118 X Restoration and Failback for High AvailabilityRestoration and Failback for High AvailabilityWith a high availability connection, failov

18 - 210. Begin your restoration process. a. From the Management Console on the target, select Tools, Restoration Manager. b. Select the Original S

18 - 3 Use block checksum comparison/delta block transfer—Specify if you want the restoration process to use a block checksum comparison to determine

18 - 4Failback then restorationFailback before restoration can be a simpler process, but it may require additional downtime. The amount of downtime wi

18 - 5d. Replication Set contains the replication set information stored on the target machine (the machine in Restore From). If no replication sets a

19 - 119 X Monitoring ToolsMonitoring ToolsIn addition to the monitoring capabilities within the Storage Mirroring clients, you can monitor Storag

19 - 2Log FilesVarious Storage Mirroring components (Storage Mirroring service, Management Console, Failover Control Center, Text Client, and the Comm

19 - 3Viewing the log filesThe log files can be viewed, from the location where Storage Mirroring is installed, with a standard text viewer. Sample S

2 - 7Full-Server Failover OptionThe Storage Mirroring Full-Server Failover Option feature provides high availability for an entire server, including t

19 - 4Using LogViewerLog file output can be filtered using the Storage Mirroring LogViewer utility. Use the LogViewer command from the directory where

19 - 5Log messagesThe following table describes some of the standard Storage Mirroring alerts that may be displayed in the log files. The ID appears i

19 - 679 Memory freed to bring Storage Mirroring memory usage below the limitData in the source queue has been sent to the target machine, bringing th

19 - 7102 Target full! The disk to which data is being written on the target is full. This issue may be resolved by deleting files on the target machi

19 - 853003 Could not read filename Storage Mirroring could not read a file on the source machine because the file may have been renamed or deleted. F

19 - 9Windows Event ViewerIn the Windows operating system, an event is a significant occurrence in the system or in an application that requires admin

19 - 101002 DTCounters Error The Storage Mirroring counter DLL could not map shared memory file containing the performance data.Run the installation a

19 - 114015 Service Info. Service has stopped network transmission.No action required. 4016 Service Info. Service has established a connection to %1 (

19 - 124033 Service Error RSResource.dll build version is invalid. The product functionality has been disabled.Reinstall the software, using the insta

19 - 134044 Service Error An error was encountered and replication has been stopped. It is necessary to stop and restart the service to correct this e

2 - 8Storage Mirroring Reporting CenterThe Storage Mirroring Reporting Center feature is a centralized reporting and analysis solution that offers det

19 - 144061 Service Info. Service has stopped a verification task to %1 (%2) for Replication Set %3, ID: %4No action required. 4062 Service Info. Serv

19 - 154100 System Warning Failed to obtain a name for a recognizer device object. The second to the last Word in the Data Window is a pointer to the

19 - 164201 Service Warning In band task %1 discarded (submitted from %2 by %3 at %4)A task may be discarded in the following scenarios: all connectio

19 - 174401 Service Error Failed to delete automatic snapshot set for source %1 (%2) Connection ID: %3. Error: %4The automatic snapshot could not dele

19 - 185103 Failover Info. Started adding drive shares from %1 to %2.No action required. 5104 Failover Info. %1 drive shares were taken over by %2. No

19 - 195502 Service Warning E-mail notification could not be initialized. Check to make sure Internet Explorer 5.0 or later is installed.E-mail notifi

19 - 208196 Resources Warning The maximum amount of memory for replication queuing has been reached. Replication is stopped and memory is being freed.

19 - 219007 NSIPHDriver Error Could not write registry value for IP address list for adapter Reboot the server and contact technical support if this e

19 - 2216395 DblTake Warning Dblhook detected a hard link for a file. The volume GUID and file ID are stored in the Data Window. This file will not be

19 - 23DTStatStatistics logging is the process of taking snapshots of Storage Mirroring statistical data. The data can be written to a file for future

2 - 9Sample configurationsStorage Mirroring is an exceptionally flexible product that can be used in a wide variety of network configurations. To impl

19 - 24Configuring the statistics file1. Right-click a machine in the left pane of the Management Console and select Properties. 2. Select the Loggi

19 - 25Running DTStat from the command promptFrom a command prompt, use the DTStat command from the location where Storage Mirroring is installed.

19 - 26DTStat statisticsThe following statistics appear in the default statistic.sts file. NOTE: If you convert that file to an AS

19 - 27Kernel ActFailCount The number of activation code failures when loading the source or target. Activation codes can be bad for reasons such as:

19 - 28Connection conState The state of the active connection 0—None. This indicates a connection has not been established. Statistics are still avai

19 - 29Connection conMirrorBytesRemainThe number of mirror bytes remaining to be transmittedconMirrorPercentThe percentage of the mirror that has been

19 - 30Windows Performance MonitorPerformance Monitor is a graphical tool for measuring the performance. It provides charting, alerting, and reporting

19 - 31Kernel Driver Queue Percent The amount of throttling calculated as a percentage of the stop replicating limitFailed mirror operations The numbe

19 - 32SNMPSNMP, Simple Network Management Protocol, is the Internet's standard for remote monitoring and management of hosts, routers and other

19 - 33Source dtSourceState 0—Source is not running1—Source is running without the replication driver2—Source is running with the replication driver.T

2 - 10One-to-one, active/active DescriptionEach server acts as both a source and target actively replicating data to each other. Applica

19 - 34SNMP trapsThe following tables identify the Storage Mirroring traps provided through SNMP. Connection dtconBytesRx The total number of bytes r

19 - 35Mirroring dttrapMirrorStart Mirroring has starteddttrapMirrorStop Mirroring has stoppeddttrapMirrorPause Mirroring has pauseddttrapMirrorResume

19 - 36

20 - 120 X Server SettingsServer SettingsMost of the Storage Mirroring server settings are located in the Management Console Server Properties dia

20 - 2GeneralThe General tab identifies the server.  Nickname—A nickname is saved in the Management Console workspace, therefore, it only

20 - 3LicensingThe Licensing tab identifies the Storage Mirroring license(s) applied to the server. The display for this tab will vary depending on di

20 - 4SetupThe Setup tab contains various setup options.  Log Statistics Automatically—If enabled, Storage Mirroring statistics logging will star

20 - 5NetworkThe Network tab contains settings that control network communications. Any changes made to this tab will not take effect until the Storag

20 - 6QueueThe Queue tab contains settings for Storage Mirroring queue usage.  Folder—This is the location where the disk q

20 - 7 Maximum system memory for queue—This is the amount of Windows system memory, in MB, that will be used to store data in queues. When exceeded,

2 - 11Many-to-one DescriptionMany source servers are protected by one target server.ApplicationThis configuration is appropriate for o

20 - 8SourceThe Source tab contains settings specific to the source module of Storage Mirroring.  Replication Packets to 1 Mirror Packet—You can s

20 - 9 Ignore Delete Operations—This option allows you to keep files on the target machine after they are deleted on the source. When a file is delet

20 - 10TargetThe Target tab contains settings specific to the target module of Storage Mirroring.  Target Mirror Capacity High Perc

20 - 11 Remove after the following number of days—If you are moving deleted files, you can specify a length of time to maintain the delete files. Aft

20 - 12DatabaseThe Database tab identifies the Storage Mirroring database files.  Folder—Specify the directory where each of the dat

20 - 13LoggingThe Logging tab contains settings for various Storage Mirroring log files.  Folder—Specify the directory where each of

20 - 14Script credentialsThe Script Credentials tab specifies the security credentials to use when running customized scripts. If you will b

20 - 15E-mail notificationThe E-mail Notification tab allows you to specify e-mail notification settings. When enabled, the messages logged to the Win

20 - 16 Filter Contents—Specify which Event Viewer messages that you want to be sent via e-mail. Specify Information, Warning, and/or Error. You can

21 - 121 X Error CodesError CodesYou may see error codes used in the user interfaces, log files, or in response to Storage Mirroring DTCL commands

© Copyright 2008 Hewlett-Packard Development Company, L.P.Hewlett-Packard Company makes no warranty of any kind with regard to this material, includin

2 - 12One-to-many DescriptionOne source server sends data to multiple target servers. The target servers may or may not be accessible

21 - 2-131 No Storage Mirroring target identified-132 Memory is low -133 Memory is sufficient-134 Replication is pending -135 Invalid option supplied-

21 - 3-167 Restore required state is unknown-168 Not a valid failover source -169 Failover login failed-170 Feature is not supported-171 Command is no

21 - 4-213 IP address placeholders on the target are unavailable -214 Target NIC was not found-215 Source module is not loaded -216 Failed to set the

21 - 5-2303 Bandwidth limit not found-2304 Bandwidth limit day is invalid-2305 Bandwidth limit lable is invalid-2401 Snapshot module is not loaded-240

22 - 122 X SecuritySecurityTo ensure protection of your data, Storage Mirroring offers multi-level security using native operating system security

22 - 2How Storage Mirroring Security Works1. When any Storage Mirroring client machine attempts to access a source or target machine running on Window

22 - 3Clearing Maintained Security CredentialsManagement Console Options - SecurityThe Management Console will maintain login security credentials. Th

22 - 42. The selected account will need to have additional user rights granted to it. a. Select Start, Programs, Administrative Tools, Local Secur

22 - 5Storage Mirroring GroupsStorage Mirroring requires two local groups on each source and target for security. During the installation process, the

22 - 6Windows Active DirectoryActive Directory, a central component of Windows 200x, manages information about the resources in a networking environme

2 - 13Chained DescriptionThe source servers sends replicated data to a target server, which acts as a source server and sends data to a f

22 - 7

IndexIAactivation code 20-3Active Directory 22-6add-onsactivation code 20-3overview 2-6alternate data streams 13-2Application Manager 2-6audience 1-1B

IIOone-to-many configuration 2-12one-to-one configuration 2-9, 2-10orphan files 14-12overviewoperations 2-2product 2-1PPerformance Monitor 19-30portsF

2 - 14Single server DescriptionSource and target Storage Mirroring components are loaded on the same server allowing data to be replicated

2 - 15Virtual systems DescriptionSource and/or target Storage Mirroring components are loaded on the guest operating system allowing data

3 - 13 X InstallationInstallationReview System Requirements on page 3-1 and Installation and upgrade notes on page 3-2, and then use the appropria

3 - 2 Disk Usage—The amount of disk space required for the Storage Mirroring program files is approximately 70 MB. You will need to verify that you h

3 - 3NOTE: When performing a rolling upgrade, update the target servers first. After the upgrade is complete and the target servers are rebooted, the

3 - 4Installing or upgrading Storage MirroringUse these instructions to install Storage Mirroring or upgrade an existing Storage Mirroring installatio

3 - 512. After the files have completed copying, click Finish to exit the installation program. The Storage Mirroring installation is complete.

3 - 6Installing or upgrading Storage Mirroring automaticallyThe Storage Mirroring installation program can accept command-line parameters which allow

Table of ContentsChapter 1: Introduction ...1-

3 - 7DTSetup.ini Paramters If you are performing a local installation automatically, use the instructions below. If you are performing the installati

3 - 87. Run one of the following case-sensitive commands from the temporary directory, depending on if you have setup.exe or setup_xxxx.exe where xxxx

3 - 9Uninstalling Storage MirroringUse these instructions if you want to uninstall an existing Storage Mirroring installation. If you want to use the

3 - 10Uninstalling Storage Mirroring automaticallyLike the Storage Mirroring installation program, you can automate the uninstall of Storage Mirroring

4 - 14 X ClientsClientsStorage Mirroring has multiple GUI clients that can manage, monitor, and control different aspects and features of Storage

4 - 2Logging on and off of Storage MirroringTo ensure protection of your data, Storage Mirroring offers multi-level security using native operating sy

4 - 3Managing the Management Console TreeTo better manage the servers that appear in the Management Console, you can customize the server display to f

4 - 4ServersWithin your server groups, you do have the ability to further manage the servers that are displayed by using the following functions.  Mo

4 - 5Removing serversTo remove a server, right-click on the server in the left or right pane of the Management Console and select Remove. You can also

4 - 6Opening a workspaceFrom the Management Console, you can open a new workspace or open a previously saved workspace. Select File and choose: New W

Saving a workspace ...

4 - 7Failover Control CenterFrom the Failover Control Center, you can manage, monitor, and control failover for your Storage Mirroring servers. The Fa

4 - 8Recovery ManagerIf you are using the Server Recovery Option add-on, the Recovery Manager allows you to manage the recovery process for a full ser

4 - 9Full-Server Failover ManagerIf you are using the Full-Server Failover Option add-on, the Full-Server Failover Manager allows you to create your s

4 - 10Configuring Full-Server Failover Manager optionsYou can configure options for the Full-Server Failover Manager client by selecting File, Options

5 - 15 X Getting StartedGetting StartedYour first task in Storage Mirroring is to establish a connection. A connection is the central management o

5 - 2

6 - 16 X Providing Disaster Recovery for an Entire ServerProviding Disaster Recovery for an Entire ServerIf you are using the Storage Mirroring Se

6 - 26. By default, all volumes are automatically selected for protection. You can deselect those volumes that you do not want to protect by clear

6 - 3Recovering an entire serverIf the source has failed, you can recover it to another server. You will need another similar server, but it does not

6 - 46. If desired, you can view and/or modify the optional recovery settings by clicking Configure Recovery. For details on each of the optional sett

Understanding the Source Connection Resource ...10-6 ...

6 - 58. Double-click on any of the validation items to see details. You must correct any errors before you can recover. Depending on the error, you ma

6 - 6Configuring optional settingsIf you want to configure optional recovery settings, click Configure Recovery from the main Recovery Manager window,

6 - 7Managing your Server Recovery Option snapshotsIf you configured snapshots in your connection through the Management Console, that snapshots will

6 - 8Running Server Recovery Option from a command lineYou can initiate recoveries without using the Recovery Manager GUI. The same executable that la

6 - 9

7 - 17 X Providing High Availability for an Entire ServerProviding High Availability for an Entire ServerWith the Storage Mirroring Full-Server Fa

7 - 2 Configuring high availability for an entire server1. The Full-Server Failover Manager can be started from within the Management Console or from

7 - 34. You must validate that your target is compatible with your source and can stand-in if the source fails. Click Validate configuration. You can

7 - 4Configuring optional settingsIf you want to configure optional protection settings, click Configure protection from the main Full-Server Failover

7 - 5 Pre-Failover Script and Post-Failover Script—If you want to execute a script on the target before failover (Pre-Failover Script) begins or afte

Queuing Storage Mirroring data ...14-22Understanding queuing ...

7 - 6Monitoring high availability for an entire serverAfter you have enabled protection, you can monitor the protection from Full-Server Failover Mana

7 - 7Starting failoverWhen a failover condition is met, you will want to start failover. Additionally, you can start it without a failover condition,

7 - 8Viewing the logBy default, Full-Server Failover Manager logs basic processing information. To view the log file, select File, Logs, View Full-Ser

7 - 9 Delete Snapshot—If you no longer want to keep a snapshot, you can delete it by highlighting the snapshot in the Existing Snapshots list and cli

7 - 10Running Full-Server Failover from a command lineYou can configure connections and initiate failover without using the Full-Server Failover Manag

7 - 11

8 - 18 X Protecting Specific Data Using the Connection WizardProtecting Specific Data Using the Connection WizardThe Connection Wizard guides you

8 - 26. Choose to create a new replication set or use a replication set that already exists.  Create a new replication set with this name—If you choo

9 - 19 X Protecting Specific Data Using the Connection ManagerProtecting Specific Data Using the Connection ManagerWhen protecting your data throu

9 - 2Establishing the connectionAfter you have created a replication set, you can establish a connection through the Connection Manager by connecting

19-1Log Files ...19-2V

9 - 3 Custom Location—If the predefined options do not store the data in a location that is appropriate for your network operations, you can specify

9 - 4 Send data only if Source is newer than Target—Only those files that are newer on the source are sent to the target.  Use block checks

9 - 5

10 - 110 X Protecting Data in a Cluster EnvironmentProtecting Data in a Cluster EnvironmentIn a MSCS cluster configuration, a single copy of data

10 - 23. On your source, create a replication set from the Management Console. a. Highlight the source in the left pane of the Management Console an

10 - 34. If your source is a cluster, you need to create a duplicate replication set on each of the other nodes in the cluster. Because the other node

10 - 45. On your cluster (source and/or target), you need to disable the standard Storage Mirroring connection controls so that the MSCS resource that

10 - 5h. Specify your Storage Mirroring bandwidth limiting parameters.  No Bandwidth Limit—Data will be transmitted using all available bandwidt

10 - 63. Specify the source.4. Establish a connection from the source to the target using identical drive mappings on the target as on the source. 5.

11 - 111 X Protecting Data Across a NAT or FirewallProtecting Data Across a NAT or FirewallIf your source and target are on opposite sides of a NA

1 - 11 X IntroductionIntroductionIntended audienceThe intended audience for the HP StorageWorks Storage Mirroring® User’s Guide is network adminis

11 - 2Configuring the hardwareYou need to configure your hardware so that Storage Mirroring traffic is permitted access through the router and directe

12 - 112 X Simulating a connectionSimulating a connectionStorage Mirroring offers a simple way for you to simulate a connection in order to genera

12 - 24. Identify the data on the source that you want to protect by selecting volumes, drives, directories, and/or specific files. 5. After sele

12 - 3Establishing the simulated connectionAfter you have created a replication set, you can establish the simulated connection through the Connection

13 - 113 X Managing Replication SetsManaging Replication SetsDepending on how you created your connection, you may have created your replication s

13 - 2 If you rename the root folder of a connected replication set, Storage Mirroring interprets this operation as a move from inside the replicatio

13 - 3b. If you are mirroring/replicating from an NTFS source to a FAT target, you may see additional error messages in your Storage Mirroring log fil

13 - 4Creating or modifying replication set rules manuallyThere may be times when you cannot browse for data when creating a replication set. For exam

13 - 52. Modify the items by marking or clearing the volume, drive, directory, or file check boxes. Notice the replication set icon has changed from b

13 - 6Calculating replication set sizeWhile Storage Mirroring is mirroring, the right pane of the Management Console displays statistics to keep you i

2 - 12 X Storage Mirroring OverviewStorage Mirroring OverviewHP StorageWorks Storage Mirroring is a real-time data replication and failover softwa

14 - 114 X Managing ConnectionsManaging ConnectionsA unique connection ID is associated with each Storage Mirroring connection. The connection ID

14 - 2Monitoring connectionsWhen a source is highlighted in the left pane of the Management Console, the connections and their statistics are displaye

14 - 3Mirror Status  Mirroring—If the file size of the replication set has not been calculated and the data is being mirrored to the target machine,

14 - 4You can change the statistics that are displayed by selecting File, Options and selecting the Statistics tab. The statistics displayed in th

14 - 5You can configure when the icons and colors change to accommodate your network environment. For example, a slow or busy network may need longer

14 - 63. Under Site Monitor, specify Missed Status Responses to identify the number of responses from a server that can be missed before the Managemen

14 - 72. To control the window after it is created, use either of the following methods to access the control methods listed in the table:  Right-cli

14 - 8 Start—If you select to start a mirror, you will need to make the following two selections on the Start Mirror dialog box.  Full Mirror—All fi

14 - 9Controlling an automatic mirrorIn certain circumstances, for example if the disk-based queues on the source are exhausted, Storage Mirroring wil

14 - 10Configuring customized mirroring scriptsYou can customize your mirroring process by running customized scripts on the target at predefined poin