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Azure has had zone-redundant disks with 3-way synchronous writes since 2021: https://learn.microsoft.com/en-gb/azure/virtual-machines/disks-redundancy#zone-redu
by jiggawatts 2y ago
Azure has had zone-redundant disks with 3-way synchronous writes since 2021: https://learn.microsoft.com/en-gb/azure/virtual-machines/disks-redundancy#zone-redundant-storage-for-managed-disks https://learn.microsoft.com/en-gb/azure/virtual-machines/dis...
The same underlying system is also available for blob storage.
It's strange that GCP and AWS are so far behind on this feature.
- leg 2y agoRegional Persistent Disk was in beta in 2019. Usability hiccups and other annoyances meant it only GA'd in 2023, but it's been used under CloudSQL for quite a while. (I work on GCP storage)
- jiggawatts 2y agoTo be fair, it’s notable that Azure doesn’t publish any information about consistency guarantees (or lack thereof). I did notice in an article about using blob witness for SQL clusters that they’re not all interchangeable.