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    Slow storage/iscsi performance due to "cbb" devices are 100% utilized

    Hi, We are running FreeNAS 11.2-RELEASE-U1 for quite a while. We have an ESX is running VMs over a lun that is located on the FreeNAS, connected over ISCSI. Lately, it seems like we have reached some bottleneck in our storage system, causing our VMware VMs to run very slowly. We tried to...