Category Archives: Tips & tricks

Quickly report alive IPv6 addresses on the network

While searching a robust solution to discover all alive hosts on the local IPv6 subnet, I have found the easiest way except, probably, ndp is to ping … no, not each of them, but the multicast address ff02::1 and then … Continue reading

Posted in Misc, My projects, Tips & tricks | Tagged , , , , , , , | Leave a comment

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┬ámodule to handle SSH interactions. Edit … Continue reading

Posted in Tips & tricks, Storage Automation | Tagged , , , , , , , , , | Leave a comment

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.┬áThis Bourne shell/awk script shows the list of the same vdisks that are mapped with different SCSI IDs. Should be useful … Continue reading

Posted in Tips & tricks, Storage Automation | Tagged , , , , , , , , , , , , | Leave a comment

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

Posted in Storage Automation, Tips & tricks | Tagged , , , , , | Leave a comment

Short memo on COUNTIFS(), SUMIFS() and VLOOKUP() functions in MS Excel

Not using Excel very often, I sometimes have to waste my time searching Office support site for these functions in order to refresh in memory their tricky syntax and usage limitations. Today I decided to gather everything I know about … Continue reading

Posted in Tips & tricks | Tagged , , , , , | Leave a comment

Accessing IBM SVC/Storwize devices with Python and SSH

Recently I have posted a simple example of how to fetch storage related data from IBM Spectrum Control with the help of Python and REST API. Now lets turn the power of Python to access IBM Storwize or SVC system … Continue reading

Posted in IRL, Storage, Storage Automation, Tips & tricks | Tagged , , , , , , , | Leave a comment

Quick MS Excel IsTime() and TypeIs() functions solution

I never thought I would write hints for MS Excel VBA, nevertheless here is the first one. It turns out, there is a scripting problem with identifying value as a time in a cell on a worksheet. I was curious … Continue reading

Posted in Tips & tricks | Tagged , , , , , , | Leave a comment