GlusterFS: Error fsyncing/closing /dev/sda: Input/output Error

Oct 8, 2016
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Hi, I have installed Proxmox 4.3 on a 2 node cluster on configured a ZFS pool. Configured glusterfs on top of ZFS. So my two bricks are mounted over a ZFS volume. Everything works fine, I am able to add GlusterFS type storage from the GUI and able to mound. Replication is working fine locally. But when I start the VM created on top of that Volume, I can not write to the device. I get Error fsyncing/closing /dev/sda: Input/output Error. Can't figure out what's going on. Nothing in the logs etc. Any idea where to look for and how to fix this?

Thanks.
 

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