I'm moving over to Blogger to reduce admin work and hopefully create more posts as a result. You can find me @ techblog.banjovy.com. Read more...

We've seen a case on one of our Unity arrays where the SP utilization is very unbalanced. Roughly 25-30% on one SP compared to 80-90% on the other. Some difference is expected, but not this much. One of the first things I wanted to review was trespassed lun status. As it turns out, the Unity array doesn't provide much information in the GUI regarding trespassed luns. About the only thing you can see and set is the SP owner. Also no way to force a trespass. This is all controlled by the array. Read more...

EMC Secure Remote Service (ESRS) is a secure, two way remote connection between EMC and your EMC products. It heartbeats routinely to EMC for checking connectivity as well as product status. It also has nice integration into MyService360 and CloudIQ to provide even more support data. It has a nice web based interface, but I like doing as much as possible via command line when I have the option. We have more than one ESRS GW server so saving any time reviewing each multiplies across the enterprise. Read more...

It's quite handy to create point in time copies of storage for a server or set of servers and XtremIO makes it really easy, especially via the CLI. Here's a short list of commands you can use to do just that, leveraging consistency groups and tags. Tags are a very powerful feature and make managing various object types super easy. Read more...

We have a lot of data being replicated by RecoverPoint. In fact we have well over a PB of storage behind RP on a Global scale. This represents a lot of RP clusters and Consistency Groups. We have well over 200 CGs. Keeping up with the replication and ensuring we have everything correctly configured for disaster recovery is a challenge, especially when you have a lot of change with luns being added and taken away from hosts. Read more...