The move for openpower3 has been completed. Please let me know if any VMs are still unreachable.
On Thu, Mar 8, 2018 at 5:25 PM, Lance Albertson <[email protected]> wrote: > The move for openpower2 has been completed. Sorry it took a little longer > than planned. Please let me know if any VMs are still unreachable. > > On Thu, Mar 8, 2018 at 11:15 AM, Lance Albertson <[email protected]> wrote: > >> The move for openpower1 has been completed and all VMs should be booting >> up or already should be back online that were on that hypervisor. Please >> let us know if you have an issue with one of your VMs. We'll be moving >> openpower2 later this afternoon as planned. >> >> Thanks- >> >> On Tue, Mar 6, 2018 at 2:36 PM, Lance Albertson <[email protected]> wrote: >> >>> Service(s) affected: >>> >>> All VMs hosted on the OpenPOWER OpenStack cluster will be offline for >>> approximately 2-4 hours during each server move. In addition, any VMs which >>> have block storage attached to the affected nodes will have an outage. >>> >>> For a list of affected VMs per hypervisor node, please see the following >>> spreadsheet which includes the UUID for each instance as it stands today. >>> You can see what UUID your VM has by looking at the >>> /run/cloud-init/.instance-id file on your vm. In addition, if you're using >>> a block storage (cinder) volume, I have a sheet which shows the mappings by >>> UUID to the host. >>> >>> OpenStack Cluster Server Moves >>> <https://docs.google.com/a/osuosl.org/spreadsheets/d/15D3VE13chSn0jmGWpf5wsPsin6ex0B3I6FTwS74T5uY/edit?usp=drive_web> >>> >>> Outage Window >>> s >>> : >>> >>> openpower1 >>> Start: Thu, Mar 8, 9:00AM PST (Thu Mar 8 1700 UTC) >>> End: Thu, Mar 8, 11:00AM PST (Thu Mar 8 1900 UTC) >>> >>> openpower2 >>> Start: Thu, Mar 8, 3:00PM PST (Thu Mar 8 2300 UTC) >>> End: Thu, Mar 8, 5:00PM PST (Fri Mar 9 0100 UTC) >>> >>> openpower3 >>> Start: Fri, Mar 9, 8:30AM PST (Fri Mar 9 1630 UTC) >>> End: Fri Mar 9, 10:30AM PST (Fri Mar 9 1830 UTC) >>> >>> openpower5 >>> Start: Fri, Mar 9, 1:00PM PST (Fri Mar 9 2100 UTC) >>> End: Fri Mar 9, 3:00PM PST (Fri Mar 9 2300 UTC) >>> >>> openpower6 (note DST change for us) >>> Start: Mon, Mar 12, 1:00PM PDT (Fri Mar 9 2000 UTC) >>> End: Mon Mar 12, 3:00PM PDT (Fri Mar 9 2200 UTC) >>> >>> Reason for outage: >>> >>> We are in the process of migrating the storage backend of the cluster >>> from local storage to using Ceph as a backend. The migration to Ceph should >>> improve I/O bandwidth and capacity and also provide more flexibility with >>> doing server maintenance since we can do live migrations on VMs. Thanks to >>> a donation from IBM, we have a new five node Ceph cluster with 292TB of >>> capacity including SSD's for journal caching. In addition, we're going to >>> be upgrading the networking layer from 1Gbps to 40Gbps due to the use of >>> Ceph thanks to several donations from Mellanox. Since we're going to be >>> incurring an outage for the server move, we wanted to do a few other items >>> as the same time to reduce additional outage times. >>> >>> The first phase of this migration includes the following (which this >>> outage covers): >>> >>> 1. Moving each compute server to a different rack closer to a Mellanox >>> 40G switch >>> 2. Installing and configuring a Mellanox 40G NIC card >>> 3. Upgrading the system firmware (which includes Meltdown/Spectre fixes) >>> 4. Switching over to a 4.14 mainline kernel on the host to provide >>> better feature support on ppc64le (also provides fixes for Meltdown/Spectre) >>> >>> We have five compute nodes and we're planning on doing two sever moves a >>> day starting on Thursday of this week. We're going to need to bring the >>> nodes up and down several times so we'll be disabling the openstack >>> services on those nodes until the process is complete. >>> >>> The second phase of the migration will happen in a few weeks and should >>> only have per VM impacts while we migrate them over to the new Ceph >>> cluster. I'll send a separate announcement about that once we're ready for >>> that. >>> >>> If you have any questions or concerns please let me know directly via >>> email or IRC. >>> >>> Thanks! >>> >>> -- >>> Lance Albertson >>> Director >>> Oregon State University | Open Source Lab >>> >> >> >> >> -- >> Lance Albertson >> Director >> Oregon State University | Open Source Lab >> > > > > -- > Lance Albertson > Director > Oregon State University | Open Source Lab > -- Lance Albertson Director Oregon State University | Open Source Lab
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