Прочети на българскиWhen someone says "the disk is slow", that is often just a symptom, not a diagnosis. In a virtual environment a latency problem can come from several layers at once: the VM, the hypervisor, the storage path, the internal network or the workload itself.
That is why the first goal is not to point at a culprit, but to narrow the problem down correctly.
The first checklist in such a case
- is the problem in one VM only or is it wider
- does it appear with a specific type of operation or all the time
- are there network, compute and storage signals at the same time
- was there a recent change that matches the timing
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