Curious question: How did the hardware corrupt the HE?

On Dec 17 2018, at 5:02 am, Callum Smith <callum@well.ox.ac.uk> wrote:
Dear All,

So we've had some major disk corruption on our hosted engine (hardware to blame), and we have taken backups. However, the hosted-engine VM will no longer boot at all, database is thoroughly corrupted, and we need to rebuild the thing. Just a sanity check on the best route:

Preamble:
VMs are still running fine - only hosted engine affected
VMs are distributed across our entire 3 node cluster
All 3 nodes are registered as hosted engine candidates

1. Do another hosted-engine --deploy on one of the existing hosts, and then restore the backup into that
2. Build a new host, deploy the hosted-engine, then restore a backup on a fresh node

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford

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