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 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 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
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 VNX – Installing software enablers – Naviseccli and USM.
“Enablers” in EMC parlance, are small installable files that unlock licensed features on your array. These include FAST, FAST cache, Mirrorview etc. To see which enablers are installed on your Array, you can use naviseccli : naviseccli -h arraysp ndu -list otherwise you can check from Unisphere on the Software Continue Reading