CentOS 7 pg_upgrade 权限错误 [英] CentOS 7 pg_upgrade Permissions Errors

问题描述

我正在尝试在 CentOS 7 上将 PostgreSQL 从 9.2 迁移到 10.2

I'm trying to migrate PostgreSQL from 9.2 to 10.2 on CentOS 7

我已经安装了新版本，我正在尝试实施转换:

I've installed the new version, and I'm trying to implement the changeover:

/usr/pgsql-10/bin/pg_upgrade --old-datadir /var/lib/pgsql/data/ --new-datadir /var/lib/pgsql/10/data/ \
--old-bindir /usr/bin/ --new-bindir /usr/pgsql-10/bin/

我得到的错误是:

could not open version file: /var/lib/pgsql/data/PG_VERSION
Failure, exiting

我以 root 身份尝试，pg_upgrade 无法以 root 身份运行.

I try as root, and pg_upgrade cannot be run as root.

/var/lib/pgsql 属于 postgres:postgres，所以我有点不知所措.

/var/lib/pgsql belongs to postgres:postgres so I'm at a bit of a loss how I can get this done.

我必须是某个用户才能使用 pg_upgrade 升级 PostgreSQL 吗?我如何继续将其切换到 v10.2?我敢肯定这是我忽略的事情，而且很简单.

Do I have to be a certain user to upgrade PostgreSQL using pg_upgrade? How do I proceed to get this switched over to v10.2? I'm sure it's something I'm overlooking and simple.

推荐答案

您必须以拥有新旧数据目录的用户身份运行 pg_upgrade.该用户通常是 postgres.

You must run pg_upgrade as the user that owns both the new and the old data directories. That user is typically postgres.

如果 /var/lib/pgsql/data/PG_VERSION 不存在，则 /var/lib/pgsql/data 不是 PostgreSQL 数据目录.

If /var/lib/pgsql/data/PG_VERSION does not exist, /var/lib/pgsql/data is no PostgreSQL data directory.

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