NFS vs FC vs iSCSI

Which protocol is the best protocol of all? I’ve been designing large and small-scale infrastructures for about 20 years now, and I know which protocol is definitely the best. The Big FC Shop Sometimes I work on a project at a large enterprise with a massive FC infrastructure, with millions invested in switches, monitoring software, processes […]

AltaVault & Automated Disaster Recovery

Wanna see a fully automated, scalable, flexible approach to disaster recovery in the Cloud? Click here. As mentioned in a previous post, AltaVault is NetApp’s Cloud-integrated backup appliance. I spent some time kicking the tires last year, and I immediately saw the potential in using it for automated DR. It’s just x86 code, and it […]

Databases, QoS, and Performance Management

I’ve been recruited. A team working with a large service provider is developing a scalable approach to performance management leveraging ONTAP quality-of-service (QoS). They asked for thoughts. Friends don’t let friends use FlexShare There was a primitive QoS capability on the older ONTAP 7 systems called FlexShare. It worked okay, but it was never designed as […]

Migrating a whole %*$# array

One of the nice things about my role at NetApp is a lot of freedom to pursue projects I think will help advance our presence in the enterprise application and database space. About 25% of my time is linked to specific requests from management, but the rest of my time is discretionary. When I was […]

Oracle Migration

Wanna move an Oracle database? I wrote a 96-page guide to Oracle migration, available here. The important information is in the first 15 pages. They explain the migration options in terms of benefits and drawbacks. The options include LVM-based migration,  ASM rebalancing, log shipping to standby databases, replatforming, etc. The point is for the reader […]

Storage Systems and Free space

One additional note about the updates to TR-3633: It includes a section on free space recommendations. How much free space do you need on a storage system? It depends. We’re recommending you keep 10% free on an all-Flash system used with databases. This is mostly because there’s a point where you’re running the risk of […]

TR-3633 Oracle on ONTAP Updated

I’ve published a new version of TR-3633, the Oracle on ONTAP technical guide. I added the following content: Oracle on ONTAP Cloud, ONTAP Select, and NetApp Private Storage (NPS) A section on performance testing and benchmarking of database storage systems A few notes about using Oracle on ZFS within a Solaris LDOM Here’s an overview of […]