Category Archives: SAN

Hard drive retention

It’s a story that has been repeated many times:   You buy a shiny new storage system….. and it is beautiful. Then…  a disk fails, which takes just the tiniest bit of shine off. No problem you declare!  You place … Continue reading

Posted in advice, IBM, IBM Storage, SAN | Tagged , , , , , , , | 6 Comments

A dual vendor SAN policy?

A couple of years ago I went to a Juniper marketing event in Sydney.   It was a very well run event with lots of good sessions.  They talked about JUNOS, virtual chassis, East-West versus North-South network traffic, their ASICs… … Continue reading

Posted in Brocade, Cisco, IBM Storage, SAN | Tagged , , , , , , , , , | 6 Comments

Issues at 2am? It could be the DS Storage Manager Profile Collector

I occasionally get called by clients reporting performance issues with their DS3000, DS4000 or DS5000s at 2am in the morning (always at roughly the same time).   It’s a curious (and annoying) time to have issues but it usually has … Continue reading

Posted in IBM, IBM Storage, SAN | Tagged , , , , , , , , , , , , | 7 Comments

IBM makes some very cool storage announcements

IBM has today announced a whole swag of planned new features across the entire IBM Storage product line.  You can read the announcement letter here and I have also dropped the text at the bottom of this blog post (to save … Continue reading

Posted in DS8800, IBM, IBM Storage, IBM XIV, SAN, Storwize V7000 | Tagged , , , | 1 Comment

IBM’s new SAN24B-5 16 Gbps FC Switch

IBM have announced a nice new Brocade sourced 24 port Fibre Channel switch (the SAN24B-5 based on the Brocade 6505).   This is a great addition to the family as it delivers two key features that I think are vital … Continue reading

Posted in Brocade, IBM, IBM Storage, SAN | Tagged , , , , , , , | 4 Comments

What Cisco firmware do I recommend for your MDS Switches?

Right now I am working on giving a client a recommended version of firmware for their Cisco MDS Fibre Channel switches.  For FICON, the recommendations are easy, but for Open Systems there are so many choices.  So what am I … Continue reading

Posted in Cisco, IBM Storage, SAN, System z, Uncategorized | Tagged , , , , , , , | 4 Comments

Who on earth is Gold Major and why is he sending me emails?

I got a great question recently: We just updated our Cisco MDS9509s to NX-OS 4.2.7b (from Cisco SAN-OS 3.3.1c) and now we are getting emails from this source:   GOLD-major. The actual message looks like this: Time of Event:2012-03-05 15:07:21 … Continue reading

Posted in Cisco, IBM Storage, SAN | Tagged , , , , , , , , | 3 Comments