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Here’s a solid, concise review of the iSCSI Cake 1.8 (interpreting “12” as either the 12-inch size or a 12-port/12-device capacity context, since “1.8 12” isn’t a standard product code).
Assuming 1.8 refers to the firmware/software version (or a model revision) and 12 refers to 12 drives or 12 Gb/s:
During the era of the 1.8 branch, virtualization was shifting from a luxury to a standard. VMware ESXi and Microsoft Hyper-V were battling for dominance, but both shared a common weakness: shared storage was expensive. SANs (Storage Area Networks) cost tens of thousands of dollars, creating a barrier to entry for High Availability (HA) clusters. iscsi cake 1.8 12
StarWind 1.8 entered the market as a solution to this "Shared Storage Gap." Build 12, specifically, was a refinement build. It focused on stability and the synchronization engine that allowed two physical servers to mirror their local storage and present it as a single iSCSI target to the hypervisor.
tc -s qdisc show dev eth0
An asymmetric 1.8 Mbps (Megabits per second) down and 12 Mbps up is unusual. Standard ADSL is often 8/1. This ratio (1:6.6) suggests a severely throttled download or a specialized LTE backup link. Why would anyone run iSCSI here?
The challenge: iSCSI reads use download (1.8Mbps — tight) and iSCSI writes use upload (12Mbps — better but shared). CAKE must protect ACK packets for reads from being drowned by upload-heavy writes. Here’s a solid, concise review of the iSCSI Cake 1
iSCSI is a protocol that transports SCSI commands over TCP/IP. It allows a client (initiator) to mount a remote disk as if it were a local SATA drive. Unlike NFS or SMB (file-level protocols), iSCSI operates at the block level.
For a 1.8/12 connection, iSCSI is brutal. It generates thousands of small, latency-sensitive packets. Without QoS, a simple dd write command can saturate that 1.8 Mbps upload link, causing read timeouts and disconnections. During the era of the 1
In the world of enterprise IT and advanced home labs, two acronyms often rule the conversation: iSCSI (Internet Small Computer System Interface) for storage networking and CAKE (Common Applications Kept Enhanced) for traffic shaping. At first glance, they seem unrelated—one moves disk blocks, the other manages bufferbloat. Yet, when you search for the specific string "iscsi cake 1.8 12", you are likely standing at the intersection of a very specific problem: How do you force high-performance iSCSI storage traffic through a slow, asymmetric internet connection (1.8 Mbps down / 12 Mbps up) without destroying latency?
This article unpacks that exact scenario. We will explore what iSCSI does, why CAKE is the best scheduler to tame it, and how to manually configure a 1.8/12 profile to keep your remote storage usable.