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RN102 - Backup job always stalls when it reaches 1.3TB - where to look?
Hi,
I am usually running rsync to backup my one RN102 to my other RN102 (both 2x4TB WD Red in X-RAID, 1 volume, 10 shares). While most shares will backup fine, at one share (size ~1.8TB) the rsync job always hangs at 1.3TB until I manually stop it. I see exactly the same behaviour when I try to backup to an attached USB3 HDD. Thus, I assume it is a problem in the file system. But even after cleaning, defragmenttaion etc. of the volume using the ReadyNAS WEB interface the problem still occurs.
Is there any log file I can see why the backup job is stalled?
Thanks for any help!
Dirk
10 Replies
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Dirk_ wrote:
Is there any log file I can see why the backup job is stalled?
I'd look in system.log and kernel.log for disk and btrfs errors around the time of the hang.
There are a couple of other things you could try - copying the share over the network with a PC tool, and see if that also hangs. Teracopy or FreeFileSync might be good for that (or robocopy if you know how to use that). That should let you know exactly where the problem is.
If you have ssh enabled (and know how to use it), you could also try copying the share to /dev/null - which will open and read every file in the share (but not actually transfer it anywhere).
Hi Stephen,
thanks for your reply.
Where do I find system.log and kernel.log?
In /var/log I do not see these files...
For the backup to the external HDD I was using
"Type: USB" under Target, thus I assume this is
a pure copy approach, isn't it ?Thanks for your help!
Dirk
Dirk_ wrote:
Where do I find system.log and kernel.log?
In /var/log I do not see these files...
They are in the log zip file (which you need to download from the web ui).
If you are using ssh directly, you need to access the logs with journalctl.
Dirk_ wrote:
For the backup to the external HDD I was using
"Type: USB" under Target, thus I assume this is
a pure copy approach, isn't it ?Yes.
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