红帽全球峰会4.4.3. IdM 系统迁移要求
对于约 10,000 个用户和 10 个组的中等大小的目录，必须具有足够强大的目标 IdM 系统才能允许处理迁移。迁移的最低要求是：
- 4 个核
- 4GB RAM
- 30GB 磁盘空间
2 MB 的 SASL 缓冲区 ，这是 IdM 服务器的默认大小
如果出现迁移错误，请增加缓冲大小：
[root@ipaserver ~]# ldapmodify -x -D 'cn=directory manager' -w password -h ipaserver.example.com -p 389 dn: cn=config changetype: modify replace: nsslapd-sasl-max-buffer-size nsslapd-sasl-max-buffer-size: 4194304 modifying entry "cn=config"设置
nsslapd-sasl-max-buffer-size值（以字节为单位）。
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