[AnandTech] Toshiba & WD NAND Production Hit By Power Outage: 6 Exabytes Lost - Overclock.net - An Overclocking Community

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[AnandTech] Toshiba & WD NAND Production Hit By Power Outage: 6 Exabytes Lost

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post #1 of 70 (permalink) Old 07-03-2019, 05:04 AM - Thread Starter
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[AnandTech] Toshiba & WD NAND Production Hit By Power Outage: 6 Exabytes Lost

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Toshiba Memory and Western Digital on Friday disclosed that an unexpected power outage in the Yokkaichi province in Japan on June 15 affected the manufacturing facilities that are jointly operated. Right now, production facilities are partially halted and they are expected to resume operations only by mid-July.

Western Digital says that the 13-minute power outage impacted wafers that were processed, the facilities, and production equipment. The company indicates that the incident will reduce its NAND flash wafer supply in Q3 by approximately 6 EB (exabytes), which is believed to be about a half of the company’s quarterly supply of NAND.
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Oh boy. I guess prices were getting a little too low for their liking. Get your SSD's while they're hot boys.

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post #2 of 70 (permalink) Old 07-03-2019, 05:24 AM
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Samsung, Micron and SK Hynix would be having a field day if this is the case.

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post #3 of 70 (permalink) Old 07-03-2019, 05:44 AM - Thread Starter
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Very true. Anyone eyeing one of those $100 1TB Phison + Toshiba NVMe drives might want to pull the trigger though. Not sure how long that will last.

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post #4 of 70 (permalink) Old 07-03-2019, 06:20 AM
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Ok im sorry for the ignorance, but :

1. how can a 13 minute outage effect a month and a half's supply? Why is production partially halted? Sure they would lose the wafers in production at that point in time, but would you not just reset everything, start a new wafer and all is back to normal?

2. If the fab's are that sensitive to a power outage, would you not have redundant power supplies. Generators/Batteries etc?

Just find this really odd.

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post #5 of 70 (permalink) Old 07-03-2019, 06:37 AM
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Quote: Originally Posted by SystemTech View Post
Ok im sorry for the ignorance, but :

1. how can a 13 minute outage effect a month and a half's supply? Why is production partially halted? Sure they would lose the wafers in production at that point in time, but would you not just reset everything, start a new wafer and all is back to normal?

2. If the fab's are that sensitive to a power outage, would you not have redundant power supplies. Generators/Batteries etc?

Just find this really odd.
Kinda of like the 'flooding' when the NSA was building a data center?

Just Roll With It
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post #6 of 70 (permalink) Old 07-03-2019, 07:06 AM
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Yeah, no, I'm not buying that one again.


Prices have indeed gone low, and I'm very, very skeptical about this outage. Surely a billion-dollar facility cannot afford power redundancy and short-term supply while their diesel generators spin up.

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post #7 of 70 (permalink) Old 07-03-2019, 07:16 AM
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Quote: Originally Posted by SystemTech View Post
Ok im sorry for the ignorance, but :

1. how can a 13 minute outage effect a month and a half's supply? Why is production partially halted? Sure they would lose the wafers in production at that point in time, but would you not just reset everything, start a new wafer and all is back to normal?

2. If the fab's are that sensitive to a power outage, would you not have redundant power supplies. Generators/Batteries etc?

Just find this really odd.

1. their machines needs to be re-calibrated and retooled from scratch, a complete power-loss means a total reset, and this costs them far more time and money.

2. the scale of their fabrication plants combined exceeds 100MW so a typical generator can't handle it, where as they did have battery backups but it only lasts a minute or two.


http://energyskeptic.com/2014/interd...financial-sys/
this article explains about fabrication plants.


and yes, japan is fairly advanced in power management, having a 13minute blackout is very very weird.

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post #8 of 70 (permalink) Old 07-03-2019, 07:18 AM
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Important production facilities even have battery banks for redundancy on their already redundant systems. Some are using hydrogen power cells with ginormous underground storage tanks allowing them to run for days or weeks in some cases without grid power. Seems like it would take a series of issues all at once to shut down power completely. If they have hydrogen cells they would react to load and begin producing power immediately with no lag.

Suspicious indeed.


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post #9 of 70 (permalink) Old 07-03-2019, 07:23 AM
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Quote: Originally Posted by speed_demon View Post
Important production facilities even have battery banks for redundancy on their already redundant systems. Some are using hydrogen power cells with ginormous underground storage tanks allowing them to run for days or weeks in some cases without grid power. Seems like it would take a series of issues all at once to shut down power completely. If they have hydrogen cells they would react to load and begin producing power immediately with no lag.

Suspicious indeed.
yes, if its important.
these consumer grade plants clearly isn't, they wouldn't invest much into it besides the bare minimum redundancies.

on the other hand, their financial insurance would be cheaper and it could easily cover the "damages" where as the price would shoot up from the shortage.

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post #10 of 70 (permalink) Old 07-03-2019, 07:49 AM
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13 minute power outage does all that, eh?

not sure how it works in a factory, but generators are pretty OP these days. Some the size of entire cargo tubs. Seems like a couple of those would have drastically reduced that loss number.

unless its a total pile of farce & they're just tired of the ultra "low" memory prices. $100 1TB? NOOO! drive it back up to $150 cuz 13 minute power outtage!

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Last edited by skupples; 07-03-2019 at 08:07 AM.
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