Category Archives: Troubleshooting

High Memory and CPU utilization on a FC switch.

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

Brocade Technical, Config Guide, Troubleshooting , , , ,