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-   -   GPU to 72 status... (https://www.mersenneforum.org/showthread.php?t=16263)

kladner 2017-09-29 11:47

I have another "hung" DC: completed on PrimeNet, still showing in GPU72.
[url]https://www.mersenne.org/report_exponent/default.php?exp_lo=44500411&full=1[/url]

kladner 2017-09-30 17:16

There are now four (I think) DC completions not showing in GPU72. :no:

petrw1 2017-11-26 05:30

[QUOTE=chalsall;467852]Yes. Looking at James' GPU cross-over analysis, it makes sense to TF from 45M and up to 73 bits on most cards. [/QUOTE]

Where do I find this?

petrw1 2017-11-26 05:37

[QUOTE=chalsall;467852]Yes. Looking at James' GPU cross-over analysis, it makes sense to TF from 45M and up to 73 bits on most cards. [/QUOTE]

What about 50-59M exponents?

Should they go beyond 73 bits?

James Heinrich 2017-11-26 13:32

[QUOTE=petrw1;472442]Where do I find this?[/QUOTE]For example for a GTX 1080:
[url]http://www.mersenne.ca/cudalucas.php?model=684[/url]

chalsall 2017-11-26 15:00

[QUOTE=petrw1;472443]What about 50-59M exponents? Should they go beyond 73 bits?[/QUOTE]

Yes. 57M to 59M should go to 74 bits. But since the ranges we're currently working are in the Cat 2, 3 and 4 ranges I figured we should (mostly) finish those off first, and then move up there early next year.

petrw1 2017-11-26 18:58

[QUOTE=chalsall;472457]Yes. 57M to 59M should go to 74 bits. But since the ranges we're currently working are in the Cat 2, 3 and 4 ranges I figured we should (mostly) finish those off first, and then move up there early next year.[/QUOTE]

This [url]https://www.gpu72.com/reports/estimated_completion/primenet/[/url] makes it look like all the 5xM are in the queue.

chalsall 2017-11-26 19:33

[QUOTE=petrw1;472469]This [url]https://www.gpu72.com/reports/estimated_completion/primenet/[/url] makes it look like all the 5xM are in the queue.[/QUOTE]

No more so than 41M through 44M. The Total column shows "Completed".

I actually need to update that report to reflect the work needed in the high 5xMs (and add a 74 bit column). I have done so for the [URL="https://www.gpu72.com/reports/current_level/"]Current TF Factoring Depth[/URL] report already. [STRIKE]I'll work on adding that this week.[/STRIKE]

Edit: Actually, I just updated that report.

petrw1 2017-11-27 01:39

[QUOTE=chalsall;472470]No more so than 41M through 44M. The Total column shows "Completed".

I actually need to update that report to reflect the work needed in the high 5xMs (and add a 74 bit column). I have done so for the [URL="https://www.gpu72.com/reports/current_level/"]Current TF Factoring Depth[/URL] report already. [STRIKE]I'll work on adding that this week.[/STRIKE]

Edit: Actually, I just updated that report.[/QUOTE]

:tu:

chalsall 2017-12-04 17:22

Possible down-time...
 
So, one of the drives on the GPU72 server is failing.

It is scheduled to be replaced in the next hour or so. It's "hot-swappable", and one of the drives in a RAID1 set, so there should be no downtime.

But... Crap happens...

P.S. I seriously hate Seagate. In this case I have no choice, but when I do I refuse to buy Seagate drives.

[CODE]# smartctl -a /dev/sda

=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST1000DM003-9YN162
Serial Number: S1DA97XG
...
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed: read failure 10% 7476 244751313
# 2 Extended offline Completed: read failure 90% 7462 244751313
# 3 Extended offline Completed: read failure 90% 7459 244751313
# 4 Extended offline Completed: read failure 10% 5487 1953513120
# 5 Extended offline Completed: read failure 10% 5460 1953513120
# 6 Extended offline Completed without error 00% 5446 -
# 7 Extended offline Completed: read failure 10% 5373 1953512248[/CODE]

James Heinrich 2017-12-04 18:07

[QUOTE=chalsall;473139]one of the drives in a RAID1 set, so there should be no downtime.
...when I do I refuse to buy Seagate drives.[/QUOTE]I also avoid Seagate like the plague. If I had RAID1 with two Seagate drives and one failed, I would expect the second one to also fail before the array could be rebuilt.
I haven't bought a Seagate drive in 8 years now because about 80% of the Seagate drives I've ever had have died on me, sometimes getting replaced 3 times in the warranty period. :ick:
Not [i]quite[/i] as bad as the [url=https://en.wikipedia.org/wiki/Deskstar#IBM_Deskstar_75GXP_failures]Deathstars[/url], but I still don't trust them to hold my data.


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