Quick tip….. I recently upgraded naviseccli to version 7.33.6.0.96 This is a really quick update so on my dual screen setup, I kicked off the installer in the left monitor while I worked on other tasks on the right. Cool, it’s just Next, next, next right ? Finished in a few Continue Reading
EMC
EMC- March Product Update roundup: VNX, VNX2, NaviSECCLI, RecoverPoint, USM
It’s been a busy month for software updates @ EMC. If you subscribe to the various product bulletins, you’d have seen this info, otherwise, READ on ! VNX1 https://support.emc.com/products/12781_VNX1-Series Updated Navisphere CLI (naviseccli), Unisphere Service Manager (USM), Unisphere Host Agent VNX2 https://support.emc.com/products/36656_VNX2-Series Updated Navisphere CLI (naviseccli), Unisphere Service Manager (USM), Unisphere Host Continue Reading
EMC – VNX/2 -Accurately show Storage Pool RAID Drive Counts with Naviseccli
A frequent topic on various EMC forums is how to layout Storage Pools according to EMC best practice, typically regarding about what Drive count to use in the RAID config. The best practice documents* is the source of truth for this when creating pools, but what about when you expand Continue Reading
EMC MCx FAST Cache : Where’d my Dirty Pages go?
The VNX2/MCx Array release by EMC in 2013 highlighted the whole “multi-core everything” (MCx) software upgrade to make best use of the available CPU cores in the Sandy Bridge Xeon E5 Processors. This allowed for greater parallelism of tasks and big performance improvements across Data services and functions. I’m not Continue Reading
EMC Elect 2015 – I’m in !
Today EMC announced the latest inductees into their EMC Elect program. This is a revered accolade in it’s 3rd year. Read about the program details here. The qualification process is rigorous and peer reviewed. You earn your place. There were 450 nominations, down to 200 finalists, and then only 102 Continue Reading
Heads up ! – EMC PowerPath/VE 5.9.1 & VMware ESXi 5.x potential disruption
It’s HEADS UP! time again, as usual courtesy of an EMC TA bulletin. ‘VMware ESXI hosts may become unresponsive after adding or removing LUNs when running PowerPath/VE 5.9.1’ This doesn’t sound like a particulalry fun way to start or end your day so read on if you want to avoid it; Continue Reading
EMC VNX/VNX2 – Naviseccli & Powershell – Bulk config changes with ease
GUI’s are generally cool, but when you need to get many of the same/similar tasks done, you can’t beat the speed and ease of using scripts and CLI based tools. I recently had a situation with a EMC VNX2 array where someone (or something) had caused all the LUNs in Continue Reading
“GHOST” Vulnerability on EMC products
No, not that type of ghost. Just a quick post to collate some info regarding EMC equipment and a recently discovered vulnerability in certain libraries present in some versions of Linux, which are utilized in a number of EMC systems. As usual, this is a buffer-overflow type vulnerability, this time Continue Reading
EMC VNX/VNX2/VMAX: 600GB 15k Drive Increased failure rates – with fix.
This is the second time I have had EMA technical advisories recently regarding issues with 15k SAS disks. The first one I wrote about here. It doesn’t sound quite as serious as the last one (OMG, DATA LOSS), but worthy of a look and fix. Details; and full link here and excerpt Continue Reading
EMC VNXe – Unable to login to Unisphere “Pre-login startup services failed”
It wasn’t so long ago that I had some login issues when trying to connect to one of the VNX boxes I manage via Unisphere. A similar issue surfaced this week, this time when attempting to access a VNXe 3150, when I was greeted with the following message; Tests from Continue Reading