Tag Archives: errors

Why frames get dropped at your storage array

Arrays from all vendors have significant troubleshooting capabilities but in most cases these are scambled in the most obscure way you can imagine. You need special tools to...

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Fibre Channel, Troubleshooting , ,

Appalling state of Storage Networks

In the IT world a panic is most often related to a operating systems kernel to run out of resources or some unknown state where it cannot recover...

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Brocade, Troubleshooting , , , , , , , ,

Cross-fabric collateral damage

Ever since the dawn of time the storage administrators have been indoctrinated with redundancy. You have to have everything at least twice in order to maintain uptime and...

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Storage Networking, Troubleshooting , , , , , ,

FabricWatch FW-1050 alerts on SFP power failures

Whenever you see Fabricwatch throw a lot of a lot of FW-1050 warning messages around indicating an out of boundary power value on SFP’s it is most likely [..]

Brocade , , , ,

How to obtain a Brocade SupportSave without BNA or DCFM

In some of my previous articles here and here I explained how to obtain a supportsave via BNA (Brocade Network Advisor) and/or DCFM (Data Centre Fabric Manager) and [..]

Brocade , , , ,

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...

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The first law of the Time Lords | Aussie Storage Blog

A buddy of mine posted this article and it reminded me of the presentation I did for the Melbourne VMUG back in April of this year. The first...

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Troubleshooting , , , ,

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 [..]

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The great misunderstanding of MPIO

Dual HBA’s, Dual Fabrics, redundant cache, RAID-ed disks, dual controllers or switched matrices, HA X-bars, multipath software installed and all OS drivers, firmware, microcode etc etc is up-to-date....

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Fibre Channel, Storage Networking, Troubleshooting , , , ,

One rotten apple spoils the bunch – 4

Credit – who doesn’t want to have lots of it at the bank According to Wikipedia the short definition in finance terms is : Credit is the trust which...

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