A couple of comments have been posted which look quite interesting so I think they’re worthy of being re-mentioned in case you missed them.
First of all, at www.hds.com/webtech is a list of up coming webinars. The list looks a little “lite” however the first should be of interest (getting better alerting from [...]
Next under discussion for performance is array groups.
First the background (and as usual, apologies to those who already know all this). HDS enterprise arrays lay their disks out in array groups, either RAID-1/0, RAID-5 and RAID-6. Variable size LUNs are then carved out of the array groups for presentation to hosts. Obviously it [...]
Next on the performance list – Sidefile. Sidefile is only relevant if you are using asynchronous replication. Cache is used to store write I/O requests (which have been committed locally) until they have been confirmed by a remote array in a TrueCopy pair. Both the local and remote arrays use sidefile cache to store replication [...]
Marc makes a good comment here about the use of virtualisation within the replacement lifecycle and indeed products such as USP, SVC and Invista can help in this regard. However at some stage even the virtualisation tools need replacing and the problem remains, although in a different place. I was hoping as [...]
I’ve been using the HiCommand CLIEX (the extended CLI) today. It differs from the normal CLI in that it talks directly to the array via a command device and bypasses both Storage Navigator and Device Manager. HDS have needed this way of communicating with an array for a long time.
On the one hand, CLIEX [...]
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