Tag Archives: Storage

My article about scripting is included into the “IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines” Redbook

The latest draft of the famous “IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines” book is already on the IBM Redbooks site. And this year I was lucky to take part in writing it. … Continue reading

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svcstats.py – Report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface

My *stat-like utility to report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface. Report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface Requires Python 3 with ‘pywbem’ module Before running svcstats.py, enable statistic on … Continue reading

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Extracting Performance Data from IBM Storwize

Originally posted on Vadim Zaigrin:
Universal Storage Collector could extract performance data not only from EMC Storage Systems 🙂 New Extractor extracts data from IBM Storwize storage family. As I see, IBM Storwize with base licenses doesn’t provide exact information…

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Executing a batch of commands on multiple IBM SVC/Storwize storage systems

Sometimes you have to change several configuration parameters or run multiple commands over a list of IBM SVC storage systems. Here is my small Python 3 script to do the stuff quickly. It requires Paramiko module to handle SSH interactions. Edit … Continue reading

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Scan IBM SVC/Storwize system for “SCSI ID Mismatches”

A small addition to the SAN/Storage CLI Toolbox which shows so called SCSI ID (LUN) mismatches on IBM SVC/Storwize systems. This Bourne shell/awk script shows the list of the same vdisks that are mapped with different SCSI IDs. Should be useful … Continue reading

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Accessing HP/3PAR storage systems using Python and SSH

I have just found a small script on Python 3 which I wrote for D81S to test a connection with HP/3PAR 7xxx arrays. It still looks like a good example of the subject, so I decided to store it for … Continue reading

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LLFD – Link, Login, Fabric, Devices

Have just prepared a brief cheat sheet to remind which processes begin when we connect an HBA with the Brocade Fiber Channel switch port, in other words, when a device joins a fabric. LINK Signal transition (light/electrical) Speed negotiation Character … Continue reading

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