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 Post subject: Re: Physical Disk Failures
PostPosted: Tue Sep 25, 2018 12:41 pm 

Joined: Mon Sep 21, 2015 2:11 pm
Posts: 1570
Location: Europe
Spinning media will gracefully fail at 6 failed chunklets.

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 Post subject: Re: Physical Disk Failures
PostPosted: Sun Sep 30, 2018 1:37 pm 

Joined: Sun Sep 30, 2018 10:30 am
Posts: 1
ailean wrote:
I tend to see three methods;

1) Disk fails, little warning and auto rebuild from parity.
2) Disk failing, sometimes get warnings and auto moves data elsewhere.
3) Disk not happy, maybe a few warnings or not available for allocations but requires manual servicing to start the data rebuild/move process before the engineer arrives.

Support typically are aware if the disk is ready for replacement but not sure what info from the SP uploads they check for that, I suspect the estimates they sometime give are generic based on disk type/size.

The fun tends to begin when the extra load from the rebuild fails another disk and/or when inserting the new disk doesn't go to plan. Three different service companies and over a dozen different engineers in 5 years has led to random events during replacements but no data loss. ;)

yup if the disk is ready for replacement from the sp uploads they check for that


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