Heads Up ! – EMC VNX2 – Potential Data Unavailability

I’m back from the wilderness ! Whenever I see an EMC ETA with the words “Potential Data Unavailability”, I give it immediate attention. Data. Is. Everything. This hot off the press item is titled “ETA 489936: VNX2: A firmware issue may cause certain solid state drives to become faulted, which may result in data unavailability […]

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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 Agent New Block OE and […]

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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 just below “” EMC Technical […]

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EMC VNX – Auto Array Configuration Backups using NavisecCLI and Powershell

Following on from yesterday’s EOY backup topic for ESXi, today I’ll document how to automate the backup of your  VNX & VNX2 Array configurations. As usual, I want this to be automated, set-and-forget and reliable. A combination of NavisecCLI and Powershell works beautifully for this. Without any doubt, the best documentation or config backup tool is […]

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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 tab under “System Properties”. Many […]

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