Generated from protobuf enum QUORUM_TYPE_UNSPECIFIED = 0;
REGION
Value: 1
An instance configuration tagged with REGION quorum type forms a write
quorum in a single region.
Generated from protobuf enum REGION = 1;
DUAL_REGION
Value: 2
An instance configuration tagged with the DUAL_REGION quorum type forms
a write quorum with exactly two read-write regions in a multi-region
configuration.
This instance configuration requires failover in the event of
regional failures.
Generated from protobuf enum DUAL_REGION = 2;
MULTI_REGION
Value: 3
An instance configuration tagged with the MULTI_REGION quorum type
forms a write quorum from replicas that are spread across more than one
region in a multi-region configuration.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Cloud Spanner V1 Client - Class QuorumType (1.104.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.104.0 (latest)](/php/docs/reference/cloud-spanner/latest/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.103.0](/php/docs/reference/cloud-spanner/1.103.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.102.0](/php/docs/reference/cloud-spanner/1.102.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.101.0](/php/docs/reference/cloud-spanner/1.101.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.100.0](/php/docs/reference/cloud-spanner/1.100.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.98.0](/php/docs/reference/cloud-spanner/1.98.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.97.0](/php/docs/reference/cloud-spanner/1.97.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.96.0](/php/docs/reference/cloud-spanner/1.96.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.95.0](/php/docs/reference/cloud-spanner/1.95.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.94.0](/php/docs/reference/cloud-spanner/1.94.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.93.1](/php/docs/reference/cloud-spanner/1.93.1/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.92.1](/php/docs/reference/cloud-spanner/1.92.1/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.91.0](/php/docs/reference/cloud-spanner/1.91.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.90.0](/php/docs/reference/cloud-spanner/1.90.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.89.0](/php/docs/reference/cloud-spanner/1.89.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.88.0](/php/docs/reference/cloud-spanner/1.88.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.87.0](/php/docs/reference/cloud-spanner/1.87.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.86.0](/php/docs/reference/cloud-spanner/1.86.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.85.0](/php/docs/reference/cloud-spanner/1.85.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.84.0](/php/docs/reference/cloud-spanner/1.84.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.83.0](/php/docs/reference/cloud-spanner/1.83.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.82.0](/php/docs/reference/cloud-spanner/1.82.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.81.0](/php/docs/reference/cloud-spanner/1.81.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.80.0](/php/docs/reference/cloud-spanner/1.80.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.79.0](/php/docs/reference/cloud-spanner/1.79.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.78.0](/php/docs/reference/cloud-spanner/1.78.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.77.0](/php/docs/reference/cloud-spanner/1.77.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.76.1](/php/docs/reference/cloud-spanner/1.76.1/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.68.0](/php/docs/reference/cloud-spanner/1.68.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.67.0](/php/docs/reference/cloud-spanner/1.67.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.66.0](/php/docs/reference/cloud-spanner/1.66.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.65.0](/php/docs/reference/cloud-spanner/1.65.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.64.0](/php/docs/reference/cloud-spanner/1.64.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.63.2](/php/docs/reference/cloud-spanner/1.63.2/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.62.1](/php/docs/reference/cloud-spanner/1.62.1/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.61.0](/php/docs/reference/cloud-spanner/1.61.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.60.0](/php/docs/reference/cloud-spanner/1.60.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.59.0](/php/docs/reference/cloud-spanner/1.59.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.58.4](/php/docs/reference/cloud-spanner/1.58.4/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.57.0](/php/docs/reference/cloud-spanner/1.57.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.56.0](/php/docs/reference/cloud-spanner/1.56.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.55.0](/php/docs/reference/cloud-spanner/1.55.0/Admin.Instance.V1.InstanceConfig.QuorumType)\n- [1.54.2](/php/docs/reference/cloud-spanner/1.54.2/Admin.Instance.V1.InstanceConfig.QuorumType) \nReference documentation and code samples for the Cloud Spanner V1 Client class QuorumType.\n\nIndicates the quorum type of this instance configuration.\n\nProtobuf type `google.spanner.admin.instance.v1.InstanceConfig.QuorumType`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ Spanner \\\\ Admin \\\\ Instance \\\\ V1 \\\\ InstanceConfig\n\nMethods\n-------\n\n### static::name\n\n### static::value\n\nConstants\n---------\n\n### QUORUM_TYPE_UNSPECIFIED\n\n Value: 0\n\nQuorum type not specified.\n\nGenerated from protobuf enum `QUORUM_TYPE_UNSPECIFIED = 0;`\n\n### REGION\n\n Value: 1\n\nAn instance configuration tagged with `REGION` quorum type forms a write\nquorum in a single region.\n\nGenerated from protobuf enum `REGION = 1;`\n\n### DUAL_REGION\n\n Value: 2\n\nAn instance configuration tagged with the `DUAL_REGION` quorum type forms\na write quorum with exactly two read-write regions in a multi-region\nconfiguration.\n\nThis instance configuration requires failover in the event of\nregional failures.\n\nGenerated from protobuf enum `DUAL_REGION = 2;`\n\n### MULTI_REGION\n\n Value: 3\n\nAn instance configuration tagged with the `MULTI_REGION` quorum type\nforms a write quorum from replicas that are spread across more than one\nregion in a multi-region configuration.\n\nGenerated from protobuf enum `MULTI_REGION = 3;`"]]