DataKeeper for Windows All Documentation - SIOS

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Mirror State CountersMirror State CountersMirror Elapsed TimeDefault Value: 0Range: 0 - MAX_ULONGThis value represents the amount of time, in seconds, that the volume has been in Mirror state. This value willbe 0 for volumes that are not currently involved in a mirror, volumes that are currently undergoing mirrorcreation (and synchronization), and volumes for which a mirror has been broken or deleted.Mirror StateDefault: 0Range: 0 - 5This value represents the current mirroring state of a volume. The following values are defined:0 None - The volume is not currently involved in a mirror.1 Mirroring - The volume is currently mirroring to a target.2 Resynchronizing - The volume is currently being synchronized with its target.DataKeeper for Windows Technical DocumentationPage 20
Mirror Type3 Broken - The mirror exists but the source and target volumes are not in sync. New writes to the volume arenot tracked.4 Paused - The mirror exists but the source and target volumes are not in sync. The source server keepstrack of any new writes.5 Resync Pending - The source volume is waiting to be resynchronized.Mirror TypeDefault: 0Range: 0-2This value represents the type of mirroring this volume is engaged in. The following values are defined for thisrelease:0 None - The volume is not currently involved in a mirror.1 Synchronous - Data is written to the target volume first.2 Asynchronous - Data is written to the source volume first and queued to be sent to the target.Network Number of ReconnectsDefault: 0Range: 0 - MAX_ULONGThis value is the number of network reconnections that have been made while the volume has been mirrored.A network reconnection occurs when communication is lost with the target.Write Queue CountersQueue Current LengthDefault Value: 0Range: 0 - This value represents the current length, in terms of number of writes, of the SteelEye DataKeeperAsynchronous write queue for volumes currently being mirrored. Writes to the target system are pushed ontoa queue and committed to the target at a later time, allowing writes to complete locally first.DataKeeper for Windows Technical DocumentationPage 21
Page 1 and 2: DataKeeper for Windowsv7.6Technical
Page 4 and 5: Specifying Network Cards for Mirror
Page 6 and 7: TargetPortIncr * 48TargetDispatchPo
Page 10 and 11: Continue and Lock 111Partial Resync
Page 12 and 13: Planned Switchover 150Unplanned Swi
Page 14 and 15: Index 176Table of Contentsxii
Page 16 and 17: User InterfaceUser InterfaceSteelEy
Page 18 and 19: DataKeeper Service Log On ID and Pa
Page 22 and 23: Understanding ReplicationEnvironmen
Page 24 and 25: SteelEye DataKeeper Resynchronizati
Page 26 and 27: Synchronous Mirroringvolume write,
Page 28 and 29: Asynchronous MirroringIn the diagra
Page 30 and 31: Mirror RESYNCINGMirror RESYNCINGWhe
Page 32 and 33: Volume Considerationsthe write requ
Page 36 and 37: Queue High WaterQueue High WaterDef
Page 38 and 39: Resync PhaseRange: 0 - MAX_ULONGThi
Page 40 and 41: Chapter 3: ConfigurationRequirement
Page 46 and 47: Firewall ConfigurationsEnvironmentM
Page 48 and 49: Configuring Microsoft's Windows Fir
Page 50 and 51: High-Speed Storage Best PracticesHi
Page 52 and 53: Handling Unmanaged Shutdown IssuesH
Page 54 and 55: Verifying Data on the Target Volume
Page 56 and 57: Chapter 4: AdministrationThe topics
Page 58 and 59: Extensive Write ConsiderationsExten
Page 60 and 61: BandwidthThrottle †\{Target IP}Th
Page 62 and 63: TargetPortBase *Specifies the maxim
Page 64 and 65: WriteQueueHighWater * †WriteQueue
Page 66 and 67: Registry Entries that SHOULD NOT be
Page 68 and 69: ErrorControl\CurrentControlSet\Serv
Page 70 and 71: BuildTimeBuildTimeLocation: HKEY_LO
Page 72 and 73: VolumeAttributesSnapshotDeviceREG_S
Page 74 and 75: SourceDriveLetterSpecifies the driv
Page 76 and 77: BreakUserRequestedBreakUserRequeste
Page 78 and 79: CHANGEMIRRORENDPOINTSThis is the so
Page 80 and 81: 2x1 Mirror CHANGEMIRRORENDPOINTS Co
Page 82 and 83: CLEARASR_OKSYS1.MYDOM.LOCAL;J;172.1
Page 84 and 85:
CREATEMIRRORCREATEMIRROREMCMD CREA
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GETASR_OKThis command will notify D
Page 88 and 89:
GETJOBINFOThis command returns exte
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GETREMOTEBITMAP4: Mirror is paused5
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GETSNAPSHOTLOCATIONDriver Version =
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GETVOLUMEINFO1: Mirroring2: Mirror
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LOCKVOLUMERAW filesystemFAT filesys
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RESTARTVOLUMEPIPEWriteQueueLowWater
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STOPSERVICEThis command sets the sn
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UPDATEVOLUMEINFOUPDATEVOLUMEINFOEMC
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One-to-OneExample:USECASEReplicate
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One-to-Many (Multiple Targets)One-t
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N-Shared-Disk Replicated to OneAddi
Page 110 and 111:
N-Shared-Disk Replicated to Multipl
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Disconnecting from a ServerDisconne
Page 114 and 115:
Creating Mirrors With Shared Volume
Page 116 and 117:
Safe Creation of a Shared-Storage V
Page 118 and 119:
Switchover and Failover with Multip
Page 120 and 121:
Source Server Failure - Manual Swit
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Renaming a JobRenaming a Job1. Sele
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Requirements for SwitchoverNote: If
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Breakusually much quicker than a fu
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Shared Volume Procedure - Basic Dis
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Mirror PropertiesThis dialog displa
Page 132 and 133:
Working With Shared VolumesWorking
Page 134 and 135:
Using Microsoft iSCSI Target With D
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Installation of the iSCSI Target2.
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Creation of Mirror and Configuratio
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Creation of iSCSI Virtual Disks8. S
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Setting Up Multiple Virtual Disks W
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DataKeeper Target Snapshot5. Right-
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Local WriteIf the block has not bee
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Snapshot Location SizeIMPORTANT: Th
Page 150 and 151:
Snapshot Location SelectionWhen cli
Page 152 and 153:
Source Out of ServiceSource Out of
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TargetSnapshotBlocksize Registry Va
Page 156 and 157:
Create and Configure a Hyper-V Virt
Page 158 and 159:
Create and Configure a Hyper-V Virt
Page 160 and 161:
Install an Operating System and Any
Page 162 and 163:
Configure the Target Server to Run
Page 164 and 165:
Planned/Unplanned SwitchoverPlanned
Page 166 and 167:
Unplanned Switchover5. Log into the
Page 168 and 169:
Chapter 6: Frequently Asked Questio
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Inability to Create a Mirror• Sou
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Split-Brain FAQsAnswerYes, beginnin
Page 174 and 175:
Using Volume Shadow CopyReplication
Page 176 and 177:
Chapter 7: TroubleshootingThe topic
Page 178 and 179:
Counter Logs Do Not Work on Windows
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System Event Log - Create Mirror Fa
Page 182 and 183:
Windows Server 2012 MMC Snap-in Cra
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Creating Mirrors with Shared Volume
Page 186 and 187:
Windows Server 2012 NIC Teaming Iss
Page 188 and 189:
CHKDSKThis command, which is used t
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IndexIndexAAsynchronous 11Change Mi
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IndexFilename 154Firewall 32Full Re
Page 194 and 195:
IndexPerformance Monitor Counters 1
Page 196:
IndexVolume 18Size 18Volume Shadow
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