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[neil]

windows got corrupted because of power failure. The Gigabit switch was also acting weird, reflashed it with latest firmware and now it's working fine. And the 100GB game also got corrupted because download was interrupted.


So, my question is developers don't account for these things?  Maybe I am unlucky  :'(

[burakkucat]

As I understand it, you have successfully managed to recover both hardware devices? So now you just need to restart a download of the game.

How often do experience power failures? If they are a fairly regular occurrences then perhaps you should consider investing in a combined power-conditioner and UPS. 

[neil]

As I understand it, you have successfully managed to recover both hardware devices? So now you just need to restart a download of the game.

How often do experience power failures? If they are a fairly regular occurrences then perhaps you should consider investing in a combined power-conditioner and UPS. 

power failures are a daily occurrence. From my topic headline, it feels like I got all errors at same time. But no, I noticed issues over a span of time and decided to post about it today.

Yes, I repaired windows by installing it again and keeping all settings and files. Switch is fine after reflashing the firmware. And the game is not fine. I get fatal errors during gameplay and it says scan and repair using game built in tool. But it is not able to fix it hundred percent. I keep getting fatal error during gameplay for different file everytime.

[burakkucat]

. . . the game is not fine. I get fatal errors during gameplay and it says scan and repair using game built in tool. But it is not able to fix it hundred percent. I keep getting fatal error during gameplay for different file everytime.

That is unfortunate. Other than downloading a new copy, I'm not sure what else you could do.

[Alex Atkin UK]

I'd want to try another copy as if it still happens I'd be concerned there was also a power surge that has somehow damaged the CPU or RAM.

Are other games okay?

[neil]

I'd want to try another copy as if it still happens I'd be concerned there was also a power surge that has somehow damaged the CPU or RAM.

Are other games okay?

Yes, other games are ok. It happened becuase game was downloading an update.

[parkdale]

Rather than reinstalling windows etc, use Macrium Reflect free https://www.macrium.com/reflectfree?mo to make an image of your working Windows 
Lots of help on this forum https://www.tenforums.com/tutorials/id-Backup_Restore/

[neil]

Rather than reinstalling windows etc, use Macrium Reflect free https://www.macrium.com/reflectfree?mo to make an image of your working Windows 
Lots of help on this forum https://www.tenforums.com/tutorials/id-Backup_Restore/

thanks

[Alex Atkin UK]

Depends if there has been a big Windows update, then its often better installing the latest ISO rather than all the hassle of a ton of Windows Updates.

[Chrysalis]

They do account for it.

NTFS is a journaled filesystem so things are written in order, you might lose data but you shouldnt be left with a unusable filesystem (which is far worse).

If you dont enable the ignore write flush option in device manager, sync write requests are honoured, and async will forcefully be flushed at max 5 seconds delay.

Filesystems like ZFS take it way way further, REFS is Microsoft's alternative to ZFS.

Ultimately though if you want some mitigation from it you need a UPS or storage hardware with battery backup and power capacitors.

As always as has been said already in this thread, in case the worst happens, do backups of important data and OS.

[neil]

They do account for it.

NTFS is a journaled filesystem so things are written in order, you might lose data but you shouldnt be left with a unusable filesystem (which is far worse).

If you dont enable the ignore write flush option in device manager, sync write requests are honoured, and async will forcefully be flushed at max 5 seconds delay.

Filesystems like ZFS take it way way further, REFS is Microsoft's alternative to ZFS.

Ultimately though if you want some mitigation from it you need a UPS or storage hardware with battery backup and power capacitors.

As always as has been said already in this thread, in case the worst happens, do backups of important data and OS.

thank you for reply.

I have a generator as backup. But you need to go and start it after a power failure.
But I may buy a small UPS for network equipment.

[Alex Atkin UK]

Sounds a good option, as at least you can set it to safely shut down if the UPS runs low and you aren't around to fire up the generator.

[Weaver]

Definitely get a UPS and it has to be one with a USB shutdown notification interface so that it can tell Windows to shut down cleanly and commit all io operations leaving the filesystem in a consistent state. This can’t protect you though from bad apps that do not do the right thing about listening for and correctly handling shutdown notification event messages from Windows.

If an app want to close a file with it only half written, or not even bother to commit recent changes, then that’s just a design flaw, and it can’t easily be fixed from the outside by a bandaid. Rather you would need to submit a bug report about any file corruption to the developers.

As for interrupted downloads, the downloaded should be downloading to a temporary file and then rename the temp file to the real filename once all downloading is successfully complete. Ether that or check the part-downloaded file to determine the true length and check that the partial download is not corrupt, then if all is well, ask the download server for the remaining part later to save having to do the entire download from the beginning all again. Many web servers can do this partial download. If this isn’t supported or the part file is corrupt then it has to be deleted and it’s time to repeat the whole download from scratch. But since it should merely be a temp file, then there’s no great loss. A pre-existing file that was due to be overwritten, if there is such a thing, will still be there, so it should be as if nothing ever happened. Developers with a clue do not ever download to the real required filename for this exact reason - things might go wrong.

[neil]

Sounds a good option, as at least you can set it to safely shut down if the UPS runs low and you aren't around to fire up the generator.

Sometimes even the generator turns off, if I try to run my PC, because of low gas pressure. So, generator backup is only for fans and lights in the house.

Definitely get a UPS and it has to be one with a USB shutdown notification interface so that it can tell Windows to shut down cleanly and commit all io operations leaving the filesystem in a consistent state. This can’t protect you though from bad apps that do not do the right thing about listening for and correctly handling shutdown notification event messages from Windows.

If an app want to close a file with it only half written, or not even bother to commit recent changes, then that’s just a design flaw, and it can’t easily be fixed from the outside by a bandaid. Rather you would need to submit a bug report about any file corruption to the developers.

As for interrupted downloads, the downloaded should be downloading to a temporary file and then rename the temp file to the real filename once all downloading is successfully complete. Ether that or check the part-downloaded file to determine the true length and check that the partial download is not corrupt, then if all is well, ask the download server for the remaining part later to save having to do the entire download from the beginning all again. Many web servers can do this partial download. If this isn’t supported or the part file is corrupt then it has to be deleted and it’s time to repeat the whole download from scratch. But since it should merely be a temp file, then there’s no great loss. A pre-existing file that was due to be overwritten, if there is such a thing, will still be there, so it should be as if nothing ever happened. Developers with a clue do not ever download to the real required filename for this exact reason - things might go wrong.

I don't know why game servers don't use torrent way of downloading and uploading files? Files in many pieces with hash and if it is corrupt, that piece is downloaded again.

[Alex Atkin UK]

I don't know why game servers don't use torrent way of downloading and uploading files? Files in many pieces with hash and if it is corrupt, that piece is downloaded again.

If I recall correctly this was tried many years ago, not sure why it got phased out.  My guess would be its more resource intensive than just using a CDN so worked out costing more to run than just plain downloads.