ESXi – Removing a stubborn Nexus 1000v VIB

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Happened upon an unusual error while wrestling a Nexus 1000v out of a ESXi 5.1 host. All seemed to progress well, the host was removed from the dvs without issue.  The next step was to remove the Cisco vem VIB from the host in preparation for upgrade. esxcli software vib remove -n cisco-vem-150-esx  (or whatever vib name you are removing… Read more »

EMC VPLEX, RecoverPoint Warning: Failed to retrieve VPLEX management view

Quick post with a quick VPLEX/RecoverPoint fix. (CL & EX) During some regular checking, I noticed that a warning had crept into the VPLEX Management console;     Quick cluster check showed there were no apparent errors; Checking RecoverPoint also showed a warning; There was no issues found, data was still replicating, Journals still ‘journalling’ but alas, cosmetic/display errors can… Read more »

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 if the drives are part… Read more »

CommVault v10 SP14 – Issue with Synthetic Full Backups

I recently upgraded my CommCell from v10 SP13 to SP14. As usual, the upgrade was easy. Centrally deployed, no issues. The next set of scheduled fulls kicked off a few days later, and soon after there appeared to be an issue with Synthetic Full backups. In the Job Controller they appeared to be normal. Throughput data was there, there were… Read more »

EMC XtremIO PowerShell support – Finally!

EMC have released XIOS version 4.1.10-33 and XMS version 4.2 recently, and although they look like minor point releases, there are some long awaited improvements that I certainly have been pleased with. The first one is a PowerShell support. Readers of this blog will now I’m a big PowerShell guy. I use it for automation, workflows, provisioning…..and loads more. Download… Read more »

EMC RecoverPoint-Increase CG Journal size using GUI or RPCLI

Getting a RecoverPoint environment takes some planning to get right. You’ve diligently calculated your Protection Windows and set the Consistency Groups accordingly so that your RPO’s are safe. Fast forward a few months….. You’ve squeezed more apps in, the rate of change has ramped up. RecoverPoint has told you your “Required Protection Window” value is not being met, and you’ve… Read more »

VMware ESXi – Get VM’s by VLAN ID with PowerCLI

Often when when working in large environments you’ll get interesting requests. These may be to assist in troubleshooting, auditing, reporting or any other reason. I was recently requested to provide a list of mac addresses for every VM with a vNIC in a specific vlan. I had a feeling this was going to be a repeated request (for various vlans) so presented… Read more »

Dell PowerVault MD3660f – Firmware Upgrade Process

The DELL PowerVault MD series Storage Arrays are solid and reliable units. Whilst I don’t use any for what may be considered “Primary” Storage, I use them for many workloads. Backup targets, Image Respositories, Archives, Unstructured data etc. In a 5 RU form factor, it’s a dense package with over 120TB of usable capacity.            Generally… Read more »

CommVault – The need for speed, pt 1

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Speed and performance is an important capability of a Data Protection solution. Most people logically attribute this to being able to finish all tasks in a defined “window“. I’ve used CommVault for a long time and it’s one of my all time fav’s. It truly does “what it says on the box”.  I’ve also been successful in tuning it effectively… Read more »

EMC Elect 2016 – I’m in, again !

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The 2016 EMC Elect were announced today and  I am very proud to have again been included in this group amongst 71 other industry professionals. (After 700 nominations and 150 finalist) You can read about the program here. WIth the Dell EMC acquisition/merger, 2016 is shaping up to being a very interesting year, where no doubt there will be many twists… Read more »