HP XP20000 User Manual download pdf (Page 25)

Table 4 SSBs and Causes of Error Issued Upon Rejection of RAID Manager Commands (continued)

Cause of ErrorRAID Manager CommandSSB

Because one of the following cases

happened, the XP Snapshot pair cannot

be created by specifying the

consistency number.

• The specified consistency group

number is in use for XP Business

Copy Software.

• The number of pairs has already

exceeded the maximum number of

pairs that can be created for one

consistency group.

• The pair which uses the same P-VOL

exists already in the specified

consistency group.

paircreate978a

The XP Snapshot pair cannot be created

because the specified consistency group

number is out of the range of the

number which can be specified.

paircreate978b

The snapshot data cannot be stored

because the XP Continuous Access

Asynchronous Software pair status is

other than PSUS or PSUE when XP

Snapshot (P-VOL) and XP Continuous

Access Asynchronous Software (S-VOL)

share the volume.

pairsplit978c

The XP Snapshot pair for which the

consistency group is specified cannot

be created because the P-VOL or S-VOL

of the XP Continuous Access

Asynchronous Software pair is specified

as the P-VOL of the XP Snapshot pair.

paircreate978e

The XP Thin Provisioning virtual volume

that is undergoing capacity expansion

is specified as the XP Snapshot P-VOL.

Therefore, the XP Snapshot pair cannot

be created.

paircreate9790

The XP Snapshot pair cannot be created

because the XP Thin Provisioning

Software V-VOL that is discarding zero

data is specified as a P-VOL of the XP

Snapshot pair.

paircreate9793

The consistency group information

cannot be obtained because the XP

Snapshot is not installed.

All commandsB9A7

Copy Threshold Option

If the load of the storage system increases, host server I/O performance (response) may be

degraded. If XP Snapshot performs the restore operation when the load of the storage system is

heavy, it is more likely that host server I/O performance (response) may be degraded. The Copy

Threshold option temporarily stops copy processing caused by the restore operation when the load

of the storage system is heavy. If you set this option in effect, you can minimize the degradation

of host I/O performance by temporarily stopping copy processing caused by the restore operation

when the load of the storage system is heavy.

Copy Threshold Option 25

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HP XP20000 User Manual Page 25

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