Thank you for the update.  It's great to see labs moving to SSDs in some areas.

Cyberpower678
English Wikipedia Account Creation Team
ACC Mailing List Moderator
Global User Renamer

> On Jun 24, 2016, at 00:00, Rob Halsell <[email protected]> wrote:
> 
> Please note that the expended downtime for labmon1001 has been extended to 
> 2016-06-24 @ 17:00 GMT.  Details are noted on 
> https://phabricator.wikimedia.org/T137924.
> 
> Basically I'm planning to watch it migrate data the rest of this evening (its 
> been at it all day.)  If it completes before I go to bed, I'll bring its 
> services back online so we collect more data, and it becomes available.  
> 
> The labmon1001 system has been reimaged, and the 893GB of data is being 
> restored to the new SSDs on the system.  During the restoration process, 
> puppet and all services are halted on labmon1001, so it won't start 
> attempting to write new data during the restoration.
> 
> Apologies for the extended downtime!
> 
> 
> 
>> On Wed, Jun 22, 2016 at 8:26 AM, Rob Halsell <[email protected]> wrote:
>> Labs users,
>> 
>> As many of you may recall, (mostly) Yuvi and (slightly) myself worked on 
>> labmon1001 a couple of weeks back.  Unfortunately, the work performed wasn't 
>> enough (as it still left the host with spinning disks) and the graphite 
>> service hammering them bogs down the server.  As a solution, we will be 
>> reinstalling the system on 2016-06-23 from 15:00 GMT to 23:00 GMT.  I don't 
>> expect to use the majority of this window, since much of the data was 
>> migrated backup previously.  However, it is a possibility if we have to 
>> re-sync all the data (without differential).
>> 
>> Details of this work can be viewed on 
>> https://phabricator.wikimedia.org/T137924.
>> 
>> Once the SSDs are installed, their ability to handle the iops generated from 
>> graphite is expected to bring load levels on labmon1001 down to sane levels.
>> 
>> Please let me know if there are any questions or concerns.  They can be 
>> raised via this email thread, or by comment on the linked phabricator task.
>> 
>> Thanks,
>> 
>> -- 
>> Rob Halsell
>> Operations Engineer
>> Wikimedia Foundation, Inc.
>> E-Mail: [email protected]
>> Key fingerprint = CB1F C7E7 0FF8 5DB2 6820  9C7E 75ED 14C7 0245 D22A
>> Office: 415.839.6885 x6620
>> Fax: 415.882.0495
> 
> 
> 
> -- 
> Rob Halsell
> Operations Engineer
> Wikimedia Foundation, Inc.
> E-Mail: [email protected]
> Key fingerprint = CB1F C7E7 0FF8 5DB2 6820  9C7E 75ED 14C7 0245 D22A
> Office: 415.839.6885 x6620
> Fax: 415.882.0495
> 
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