What high performance storage isn't …

This happens often. We get a call from a user whose seen my postings in the Gluster or other lists. They’ve set up a storage system, and the performance is terrible. Is there anything that can be done about this?
We dig into this, and find out that the people bought hardware, usually fairly low end/cheap brand name (e.g. tier 1) nodes, with limited disk options, and are running 1 disk for OS, and have another single larger SATA or SAS disk for storage.
Take say 8 of these nodes. Put Gluster on them. Make a replicated distributed system. Should be fast, right?
No. Not even close. Its going to be (very) slow.
And, curiously, this is exactly what people rapidly discover. But then they start ascribing the wrong reasons to why its slow.
And this is where they start calling us, asking if we can help them tune it.

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New office …

… movers pick up the old office bits tomorrow, and bring it to the new office. Have some (re)construction to do, some racks to stand up, an AC unit to hook up … and then the important things (which I learnt from my friends and customers in the UK) … a refrigerator and good cappuccino … Read moreNew office …