This shows you the differences between two versions of the page.

Link to this comparison view

biomed-shifts:old:old-decommisioning [2021/10/13 14:20] (current)
sorina created
Line 1: Line 1:
 +=====  Procedure for SE decommissioning ​ =====
 +  *  Submit a GGUS [[biomed-shifts:​practices#​during_ticket_submission|team ticket]] and assign it to VOSupport.
 +    *  The expected decommissioning date should clearly appear in the ticket.
 +    *  Notify the concerned site of this ticket (field "​Notify site"​):​ this field only appears on existing team tickets, not on the team ticket creation form. So you have to first submit the ticket, then modify the "​Notify Site" field.
 +  *  Ask the site admin to forbid lcg-cr writes from now on, using the email template below. To find the email address of the site administrator,​ do as follow:
 +    *  On the [[https://​​portal/​index.php|GOCDB]],​ search for the SE hostname (search box).
 +    *  In the results table, click the View link in the Action column;
 +    *  Then click on the site name (Parent Site information)).
 +    *  The admin email is provided in the contact table.
 +  *  **while (decomisioning deadline is not passed)**
 +    *  Get the list of LFNs and DNs having SURLs stored on this SE using [[Biomed-Shifts:​LFCBrowseSE | LFCBrowseSE]]:​ ''​LFCBrowseSE se-hostname.domain --vo biomed --lfn --dn --size --summary''​
 +    *  Put a link or attach this list in the ticket
 +    *  Notify the concerned users by email, and attach the list of files.
 +    *  **If** a user does not answer **or** doesn'​t need his/her files anymore **then** remove all the corresponding entries from the LFC (using lcg-ra <​guid>​ <​lfn>​)
 +  *  **end while**
 +  *  Once the decommissioning date is passed and the decommissioning is confirmed by the site:
 +    *  make sure that the SE is no longer published in the BDII as supporting biomed,
 +    *  contact the Biomed SAM team (BIOMED-SAMBOX-L [at] in2p3 [dot] fr) that maintains the biomed Nagios box, and ask to remove the SE from the list of resources monitored by Nagios.
 +    *  Send the list of files of biomed users to the LFC administrator to remove the entries from the catalog: dbouvet [at] in2p3 [dot] fr
 +===== Email template for user notification =====
 +<text background="​danger">​(red items must to be customized)</​text>​
 +Dear biomed user,
 +You have <text type="​danger">​XXX</​text>​ files on SE <text type="​danger">​YYY</​text>​ which will be decommissioned by <text type="​danger">​X</​text>​.
 +We have to move these files away or remove all the corresponding entries from the LFC (using lcg-ra <​guid>​ <​lfn>​) ​ in case you no longer need the data. Please don't hesitate to contact us (biomed-technical-support [AT] googlegroups [DOT] com) in case you have any questions or if you experience difficulties in this process.
 +The list of the corresponding files is attached/​available <text type="​danger">​HERE</​text>​
 +Also, note that it is **not** recommended to try to move many files in parallel: due to scalability issues of the SE, only a limited number of concurrent connections can be initiated.
 +Thanks in advance,\\
 +The biomed technical team on shift.
 +=====  Email template for site administrator ​ =====
 +<text background="​danger">​(red items must to be customized)</​text>​
 +<callout title="​Subject">​
 +<text type="​danger">​SE_hostname</​text>​ decommissioning - forbid write access for biomed users
 +<callout title="​Body">​
 +Dear site admin,
 +The storage element <text type="​danger">​SE_hostname</​text>​ is going to be decommissioned. As it supports VO biomed, we will contact biomed users to let them migrate their files. ​ Meanwhile, can you please forbid lcg-cr writes from now on to make sure no new file will be created.
 +Thank you for your support,\\
 +The biomed support team on duty.
  • biomed-shifts/old/old-decommisioning.txt
  • Last modified: 2021/10/13 14:20
  • by sorina