Instability with DSM 5

[LittleLama]

Hi!

 

After having a Synology for years, I started two weeks ago in the experience of building a better NAS with XPenology.

 

Here's my specs:

DSM 5.0 4418 beta Trantor

MB: Intel DH87RL

CPU: Intel i5 4570 3.2Ghz

DDR3 2x4Go 1333Mhz

HDD: 3x Seagata NAS HDD 4To (2xRaid1 + 1xSolo)

I had a HardDrive rack Icy Box, but un connected it to watch if it is the source of my errors (conclusion : no it isn't)

 

Facts :

All went really fine until saturday.

I don't know what happened, maybe a power failure, but my system is really instable since and I must do resets often to get access to the NAS.

 

After a reset, system startup fine, I can access almost everything except :

- Backup/restort function : nothing dislays except in the task bar

- Security : "No api"

My firewall has been cleaned too.

I planned usage log, but it seems it doesn't work.

 

After a while, which is various, 5-10min, yesterday night 1 hour maybe more ... system is unreachable either by Windows Network, or Synology Assistant, or SSH. Ping on NAS is effective therefore, and I can find it with a network scanner.

 

 

Errors displayed :

On NAs screen, there are some messages displayed, but I don't know how to log them.

 

Here are some of them, not displaying everytime.

 

fixing recursive fault but reboot is needed 

 

And another long list of messages like :

print_bad_pte+0x189/0x19f

(There are decades of lines at the same time, I will log it)

 

When NAS comes unreachable, nothing special to see on screen (he's moreover often black, maybe sleeping).

 

I stopped every app in packet center, but it didnt solve my problem.

 

Questions :

1. Can you explain me how to log displayed messages on the NAS screen ?
   
2. I'm trying to rescue datas from my raid 1 volume to the secondary hard drive. Will datas be in security there if reinstall XPenology ? I can add this HardDrive to another DSM installation as secondary volume ?
   
3. Should I reinstall ? Downgrade to 4.3 ? Upgrade to gnoboot ? And what will happened to my datas on first volume (the raid 1 one) ?

 

 

Thank you for all your lights.

[LittleLama]

Here are some pics of screens.

 

This first at startup (the last line didn't show up each time ... but each time there is a sync between the two radi 1 HDD) :

 

 

This second didn't cause an access failure but, I don't understand it so I'm worried.

 

 

This third however make a failure. After that, no way to access my NAS from web navigator (local access), nor Synology Assistant, nor SSH, nor FTP, nor Windows Browser ...

 

[LittleLama]

I think there was a power cut and maybe a ram failure causing these troubles.

Since I memtest Ram after replacing it, checking hard drives and re install DSM, all is fine.

 

 

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