diff --git a/docs-2.0-en/4.deployment-and-installation/1.resource-preparations.md b/docs-2.0-en/4.deployment-and-installation/1.resource-preparations.md index 3f484f29917..cc9aa405af2 100644 --- a/docs-2.0-en/4.deployment-and-installation/1.resource-preparations.md +++ b/docs-2.0-en/4.deployment-and-installation/1.resource-preparations.md @@ -10,7 +10,7 @@ NebulaGraph is designed and implemented for NVMe SSD. All default parameters are - Do not use remote storage devices, such as NAS or SAN. Do not connect an external virtual hard disk based on HDFS or Ceph. -- Do not use RAID. +- RAID is not recommended because {{nebula.name}} provides a multi-replica mechanism. Configuring RAID would result in a waste of resources. - Use local SSD devices, or AWS Provisioned IOPS SSD equivalence. diff --git a/docs-2.0-zh/4.deployment-and-installation/1.resource-preparations.md b/docs-2.0-zh/4.deployment-and-installation/1.resource-preparations.md index 803dce16cb6..81569e88d59 100644 --- a/docs-2.0-zh/4.deployment-and-installation/1.resource-preparations.md +++ b/docs-2.0-zh/4.deployment-and-installation/1.resource-preparations.md @@ -10,11 +10,11 @@ {{nebula.name}} 是针对 NVMe SSD 进行设计和实现的,所有默认参数都是基于 SSD 设备进行调优,要求极高的 IOPS 和极低的 Latency。 -- 不建议使用 HDD;因为其 IOPS 性能差,随机寻道延迟高;会遇到大量问题。 +- 不建议使用 HDD;因为其 IOPS 性能差,随机寻道延迟高。 - 不要使用远端存储设备(如 NAS 或 SAN),不要外接基于 HDFS 或者 Ceph 的虚拟硬盘。 -- 不要使用磁盘阵列(RAID)。 +- 不建议配置独立磁盘冗余阵列(RAID)。{{nebula.name}}本身提供了多副本机制,如果配置 RAID,会造成资源浪费。 - 使用本地 SSD 设备;或 AWS Provisioned IOPS SSD 或等价云产品。