Category Archives: Storage

Compare two regular or device files block by block

Yes, there are a number of utilities like cmp, bdiff and etc that allow to compare binary files and even create patches. Anyway, here is my script, which I hope, will ease tracking changes on block granularity within storage volumes and … Continue reading

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Configuring Linux server to work with the BeaST storage system over iSCSI protocol

It’s weekend, so I continue to work on the BeaST storage system. Here is my small HOW-TO describing multipath connection with the BeaST from a RHEL/Centos Linux server via iSCSI: Configuring Linux server to work with the BeaST storage system over … Continue reading

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Children often ask me what I do at work (as a storage systems administrator)

And here is the answer for them right in the The Amazing World of Gumball – one of the funniest cartoon ever! See the “hacking” moment in the Safety episode (S03E32) where Anais talks about storage administration: The transcript: Gumball: … Continue reading

Posted in Impressions, IRL, Misc, Storage, Storage Automation | Tagged , , , , , , , , , , , , , | Leave a comment

The BeaST again!

I’m working hard now to run the BeaST Storage system on the real hardware and hope to have some results and good news to post in the future. Meanwhile, I have updated The BeaST Classic – dual-controller storage system with RAID … Continue reading

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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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