Habe jetzt ne Antwort vom Arq-Support. Morgen muss ich mal die Sachen genauer prüfen. Hoffe jetzt nicht, dass die 3TB Fusion Drive schon hin

Ist.
iMac 27 Zoll ca. Mitte 2014 oder so.

Hier die Antwort vom netten Arq-Menschen:

Hi Michael,

I'm sorry for the errors you are getting.

Input/output error usually indicates a hardware problem, unless it's a network share. I think your hard drive might be failing. Is this something that you could check?

The error "reading request: java.net.SocketTimeoutException: Read timed out" is coming from B2. We don't use Java, so there's nothing in Arq that would generate a message like "java.net.SocketTimeoutException".

We added a workaround to Arq that should look for the "java.net.SocketTimeoutException" and retries. Could you run this installer and let me know if you keep getting errors:

https://www.arqbackup.com/download/Arq_5.11.2.5.dmg

Kind regards,

--
Roman Bednarchyk
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Scheiß der Hund drauf.