Credentials
Tag Archives: firmware
Speed mismatch is the death-trap for shared storage
I’ve been focusing on the implications of physical issues a lot in my posts over the last ~2 years. What I haven’t touched on is logical performance boundaries...
5-minute initial troubleshooting on Brocade equipment
Very often I get involved in cases whereby a massive amount of host logs, array dumps, FC and IP traces are taken which could easily add up to...
Brocade FOS 7.1 and the cool features
After a very busy couple of weeks I’ve spent some time to dissect the release notes of Brocade FOS 7.1 and I must say there are some really nice features [..]
One rotten apple spoils the bunch – 3
In the previous 2 blog-posts we looked at some areas why a fibre-channel fabric still might have problems even with all redundancy options available and MPIO checking for...
One rotten apple spoils the bunch – 1
Last week I had another one. A rotten apple that spoiled the bunch or, in storage terms, a slow drain device causing havoc in a fabric. This time...
Maintenance
Why do I keep wondering why companies don’t maintain their infrastructure. It looks to be more of an exception than a rule to come along software and firmware [..]