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HP StorageWorks XP Remote Web Console Software User Manual

Page 67

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Table 20 Host Pair Status Reporting for URz/SIz Shared Volumes

Pair status reported by XP disk array

Number of SIz

T-VOLs

Number of

URz pairs

Simplex

0

0

SIz pair status

1

0

SIz pair status for the pair whose S-VOL has the lowest LDEV ID

2 or more

0

URz pair status

0

1

URz pair status

1

1

URz pair status

2 or more

1

Table 21 Data Currency of a Shared URz/SIz Volume

SIz pair status

Suspended

Resync

Split

Split-Pending

Duplex

Pending

Duplex

URz pair

status

Not current

Not current

CURRENT

Not current

Not current

Not current

Pending
Duplex

Not current

Not current

CURRENT

Not current

Not current

Not current

Duplex

Not current

CURRENT

CURRENT

CURRENT

CURRENT

Not current

Suspended

Figure 21 (page 67)

through

Figure 24 (page 69)

show the various URz/SIz configurations which

share volumes.

URz/SIz configurations which share the URz primary data volume and SIz S-VOL

Figure 21 (page 67)

shows an example of a URz primary data volume which is also functioning

as a SIz S-VOL. This configuration allows you to use SIz for on-site data backup in case of a
URz failure, and to use URz to provide remote backup of the SIz S-VOL in case of a SIz failure.

Figure 21 Shared URz Primary Data Volume and SIz S-VOL

URz/SIz configurations which share the URz secondary data volume and SIz P-VOL

“Shared URz Secondary Data Volume and SIz S-VOL” (page 68)

shows an example of a URz

secondary data volume which is also functioning as a SIz S-VOL. This configuration allows
you to use SIz to provide multiple backup copies of a single URz primary data volume.

Combining URz with Other Data Management Operations

67

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