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biomed-shifts:decommisioning [2016/02/01 17:01]
fmichel created
biomed-shifts:decommisioning [2021/10/13 14:23]
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 =====  Procedure for SE decommissioning ​ ===== =====  Procedure for SE decommissioning ​ =====
-  *  ​Submit ​GGUS [[biomed-shifts:​practices#​during_ticket_submission|team ​ticket]] and assign it to VOSupport. +  *  ​SE decommissioning should be announced by site admins through ​a ticket ​assigned ​to Biomed VO supportIt should clearly state the expected decommissioning date. 
-    *  The expected decommissioning date should clearly appear in the ticket. +  *  ​Actions ​on VO adminssend a mail to
-    *  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 ​(red items to be customized)  ​===== +===== Email template for user notification ===== 
-<p> +<text background="danger">​(red ​items must to be customized)</text>
-Dear biomed user,<​br/>​ +
-<​br/>​ +
-You have <font color="red">XXX</​font>​ files on SE <font color="​red">​YYY</​font>​ which will be decommissioned by <font color="​red">​X</​font>​.<​br/>​ +
-<​br/>​ +
-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.<​br/>​ +
-<​br/>​ +
-The list of the corresponding files is attached/​available <font color="​red">​HERE</​font><​br/>​ +
-<​br/>​ +
-Also, note that it is <​b>​not</​b>​ 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. +
-<​br/>​ +
-<​br/>​ +
-Thanks in advance,<​br/>​ +
-The biomed technical team on shift<​br/>​ +
-=====  Email template for site administrator ​ =====+<​callout>​ 
 +Dear Biomed users,
-** Don't forget to customize ​the <font color="red">red text</font>.**+we've received notice that the SE <text type="danger">SEName</text> (hosted by site <text type="​siteName">​SSS</text>), which is used by Biomed, will be decommissioned on <text type="​danger">​date</​text>. 
-//**Title**//: +This is tracked through the following ticket: 
-><font color="red">SE_hostname</fontdecommissioning - forbid write access for biomed users+<text type="​danger">​GGUS link</text> 
 +If you have files on this SE, please consider checking quickly whether they have replicas somewhere else, or whether you should get/replicate them to avoid any data loss. 
 +You can find relevant LFNs using 
 +dirac-dms-find-lfns --SE=[SE name] Path=/ 
 +dirac-dms-replica-metadata fileContainingLFNs SE 
 +should return available replicas of individual files. 
 +Kind Regards 
 +<text type="​danger">​Name<​/text> for Biomed support 
 +=====  Email template for site administrator ​ ===== 
 +<text background="danger">(red items must to be customized)</text>
-//​**Body**//:​ +<callout title="​Subject">​ 
->Dear site admin,+<text type="​danger">​SE_hostname<​/text> decommissioning - forbid write access for biomed users 
->The storage element ​<font color="red">SE_hostname</​font>​ is going to be decommissioned. As it supports VO biomed, we will contact biomed users to let them migrate their files. ​ Meanwhilecan you please forbid lcg-cr writes from now on to make sure no new file will be created.+<callout title="Body"> 
 +Dear site admin,
->Thank you for your support, +The storage element <text type="​danger"​>SE_hostname</​textis 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.
-  The biomed ​support team on duty.+
 +Thank you for your support,\\
 +The biomed support team on duty.
  • biomed-shifts/decommisioning.txt
  • Last modified: 2021/10/13 14:23
  • by sorina