Cloud server ECS purchase highlights eight pre-sales FAQs (about IP, nodes, bandwidth, configuration upgrades, etc.)

The former Xiaoyun consultation thread has been opened:
            Are you still worried about Xiaoyun's slow reply? Are you still struggling to find the answer and troubled? From now on, in order to get your most concerned questions answered, we have prepared the most frequently consulted questions before the sale for the majority of users for your reference! If there are still problems you are concerned about that do not appear, you can give us feedback to provide suggestions! 
                                                                            (ps: After-sales questions, please submit after-sales support, after-sales MM will help you answer.)

Server FAQ:


1. IP FAQ: http://help.aliyun.com/guide?spm=0.0.0.56. IirkRH&helpId=1494

1. Is the cloud server IP independent?
  Yes, the Alibaba Cloud server system will automatically assign an independent IP


2. The cloud server has several IPs, can it be increased? What is an external network IP and what is an internal network IP? The Alibaba
  Cloud server system will automatically assign an independent IP, one server is assigned one internal network IP, and one external network IP


3. Will the cloud server IP change?
Under normal use, the ip will not change.


4. Whether to specify IP
IP cannot be specified, selected or added to purchase.




[This post was re-edited by qiujin2012 at 2013-03-20 15:46]
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Offline Chaipanpan
Level: Code Farmer
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just read the author's sofa Posted on: 2012-11-28
2. Node FAQ: http://help.aliyun.com/guide?spm=0.0.0.57.g0RHts&helpId=1496

1 , What line;
  our server is BGP multi-line (China Telecom, China Unicom, China Mobile, Education Network, etc.) access to ensure smooth access for users across the country.

2. Node location;
  we have East China Hangzhou node and East China Qingdao node, but no foreign nodes

3. Can you specify the node location;
  you can choose East China Hangzhou node or East China Qingdao node according to your needs

4. Can you choose a node after trial?
   Alibaba Cloud has launched the East China Qingdao node and the East China Hangzhou node. At present, all servers applying for trial default to Qingdao East China node. Since the server cannot be replaced, if you feel that it is OK after the trial, you can directly renew the server; if you need to replace the node, please re-purchase. For more area usage help, see
: http://bbs.aliyun.com/read.php?spm=0.0.0.49.GTSotb&tid=130553
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offline chaipanpan
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Post 246 Yunbi
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Write private letter Just
look at the author's bench Posted on: 2012-11-28
3. Frequently asked questions about configuration upgrade: http://help.aliyun.com/guide?spm=0.0.0.58.qezBDB&helpId=1498

1. Can the server or configuration be upgraded
  ? Our server supports custom upgrades, which can be customized according to user needs. CPU, memory, hard disk, bandwidth upgrade. The bandwidth support is upgraded on a daily basis.

2. How to calculate the configuration upgrade fee The
  upgrade fee is in the form of making up the difference, and users can check it when operating through the user center.

3. Whether the upgrade is seamless or whether the upgrade will have an impact;
  the upgrade is a seamless upgrade and will not have any impact.

4. How long does the upgrade take?
  Temporary upgrades require about 15 minutes of downtime. ( ps : Upgrading storage space and bandwidth does not require downtime, and the upgrade is completed in about 5 minutes) Reply
to quote reports , Hard disk FAQ: http://help.aliyun.com/guide?spm=0.0.0.59.IXdOXT&helpId=1500 1. The size of the hard disk is inconsistent with the purchase (mounting) of the purchase instructions; if there is a problem of the size difference at the time of purchase , you need to manually mount the data disk http://help.aliyun.com/manual?spm=0.0.0.109.aNdyV1&helpId=271 2. Whether the hard disk can be partitioned;














  Hard disk partitioning and formatting for Windows 2008: http://help.aliyun.com/manual?spm=0.0.0.110.8O34rs&helpId=69.

3. How about the IO performance of
  the hard disk; the IO performance of the hard disk can be evaluated by a third party http://lusongsong.com/reed/451.html 4. Whether the

hard disk can be expanded; the hard disk can be expanded and upgraded
as needed Published on: 2012-11-28 5. Frequently Asked Questions about Operating System: http://help.aliyun.com/guide?spm=0.0.0.60.6fX9nz&helpId=1502 1. Why is there no win operating system   and a server with 512M memory only has a linux system , choose at least 1G of memory to have win system; 2. Whether the operating system should be charged for   linux system is free, windows system has copyright fee, 30 yuan per month. (ps: If it is a replacement from win operation, no additional fee is required; but from lin operation to win operating system, a copyright fee is required); 3. Whether I can install or upgrade the operating system   server by myself needs to use the services provided by us. The operating system of the server cannot be added or upgraded by itself, and the operating system can be patched; 4. What is the login account password of the server?





















  The user name of the linux operating system is root, and the user name of the windows operating system is administrator. The password will be sent to the mobile phone bound to the user's cloud account through SMS, and will also be sent to the mailbox when you registered;

5. Can 6. Does the operating system
  have

a graphical interface?
  Windows operating system is desktop management, linux operating system is command line, users can set up graphical management if necessary;

7. How to choose operating system Operating
  system selection suggestion http : //bbs.aliyun.com/read.php ?spm=0.0.0.71.0RoWff&tid=120515Reply to quote report
-11-28 6. Frequently Asked Questions about Bandwidth: http://help.aliyun.com/guide?spm=0.0.0.61.yR3TzS&helpId=1504 1. Is the bandwidth exclusive   to us ? 2. Is the bandwidth one-line or not? Dual-line, Telecom or Netcom    We use multi-line (China Telecom, China Unicom, China Mobile, Education Network, etc.) access to ensure smooth access for users across the country 3. How to understand 5M bandwidth , the uplink is not limited 4. The price of bandwidth   




















  To learn about the bandwidth price, you can go to the cloud server custom configuration page and choose to view it. http://buy.aliyun.com/?spm=5176.377823.12.25.7j1Mv0

5. What is the intranet communication bandwidth between multiple servers? Cloud servers, RDS, and OSS
  intranets in different regions do not communicate with each other, and the peak communication bandwidth between intranets in the same region is
2G Code Farmer Post 246 Yunbi 284 Add attention Write private letter Only see the author on the 6th floor Posted on: 2012-11-28 RDS FAQ: http://help.aliyun.com/guide?spm=0.0.0.42.PToA7p&lastSortId=430 1. What does the number of RDS database connections mean?   The number of database connections represents the number of simultaneous database connections that the application can connect to, including any connections to the database. It has nothing to do with the maximum number of users your application or website can support. 2. Which version of MySQL and SQL Server are used for the RDS database?    RDS For MySQL uses native MySQL 5.1.61 and incorporates the MySQL patch from the Alibaba DBA team;   RDS For SQL Server uses Microsoft SQL Server 2008 R2 SP1 Enterprise English Edition


















3. How many databases can a database instance have at most?
  A MySQL database instance can contain up to 200 databases, and a SQL Server database instance can contain up to 5 databases.

4. Can the RDS database be upgraded?   
  If it refers to database version, RDS currently supports fixed version. RDS for MySQL will incorporate a large number of patches required by users, including functional, security, stability, etc. In addition, RDS for SQL Server will regularly upgrade database patches, including security patches, functional patches, stable patches, etc., but the database version Fixed versions are supported.
  If it is a specification upgrade, RDS supports a variety of specifications, and users can upgrade to the corresponding product specifications according to their own needs.

5. Are there charges for RDS traffic?
  Intranet transmission is free (such as transmission between cloud server M and RDS); public network transmission is charged at the standard of 1 yuan/G. There is no charge for less than 1G, for example, 1.5G is charged as 1G.