Category Archives: Troubleshooting

High Memory and CPU utilization on a FC switch.

...

This content is for registered and Support members only.
Log In Register
Troubleshooting , , , ,

HBA Firmware and Drivers – The Storage Grey Area

Whenever things goes haywire on an OS or application there are two areas that are looked at first: Networks Storage In a fair few cases the issue is...

This content is for registered and Support members only.
Log In Register
Storage, Storage Networking, Troubleshooting , , , ,

Crackdown on FOS support

If you’ve read my articles over the last decade or so you’ve seen I’m keen on maintenance. Both from a physical hardware as well as software perspective a...

This content is for registered and Support members only.
Log In Register
Brocade, Fibre Channel, Storage Networking, Troubleshooting , , , , ,

Initiator, Target, Both or None ??

Whenever you’ve encountered an output of a nameserver entry you may have come across the phenomenon that the fabric has no clue what the attached device is. For...

This content is for registered and Support members only.
Log In Register
Brocade, Brocade Technical, Fibre Channel, Storage Networking, Troubleshooting , , ,

SFP in -INF state

The entire IT industry is packed with mathematics. So instead of keeping things easy we need to work our way around imposed restriction that have been imposed on...

This content is for registered and Support members only.
Log In Register
Troubleshooting ,

FOS 8.2.1 – the one that is required.. or not?

Like clockwork Brocade releases new FOS version around every 6 months. No news here. FOS 8.2.1 is however a release you may need to pay special attention to...

This content is for registered and Support members only.
Log In Register
Brocade Technical, Troubleshooting , , ,

Logs, Logs, Logs and more Logs

Nice title especially if you’re in the lumberjack business. 🙂 All kidding aside. Support engineers rely 100% on these things and if we’re asking for them please don’t...

This content is for registered and Support members only.
Log In Register
Troubleshooting

Release notes and upgrades. Decision time.

Ughh, upgrades, maintenance, risk of downtime, out of hours work and pulling all-nighters or even weekends when your wife and kids start wondering who that strange man is...

This content is for registered and Support members only.
Log In Register
Troubleshooting , , , ,

When to replace an SFP

Maybe the title should be “When to NOT replace an SFP” as I see in many occasions it is seen as a first option of fixing problems. In...

This content is for registered and Support members only.
Log In Register
Config Guide, Troubleshooting , , ,

Brocade Network Advisor vulnerable to SWEET32

OK, OK, don’t panic. In 99.999% of all cases you’re BNA management system is well dug deep inside the datacenter’s behind a fair few layers of firewalls, switch...

This content is for registered and Support members only.
Log In Register
Brocade Technical, Config Guide, Troubleshooting , , , ,