Tag Archives: Storage

ESXi 5.5 – Automating VMFS UNMAP w/ PowerCLI and PowerShell

With vSphere 6.5 recently released, a nice feature was the automated execution of the UNMAP command against thin provisioned datastores to reclaim space. This requires no user interaction, it’s fully automated for you and can free up significant amounts of space from your datastores. There’s some good information regarding the v6.5 release  on these blogs; ESX Virtualization Vladan Seget VirtualizationIsLife  Anthony… Read more »

VMware DRS rule manipulation using PowerCLI (EMC VPLEX use case) Part 1.

VPLEX is another of my favourite products,  and for good reason. I currently run a Metro cluster underneath a VMware platform that has proven to be super reliable. One important design consideration for this is to ensure that VM’s are configured for site bias. Why ? Glad you asked. In a VPLEX Metro configuration, a VPLEX detach rule is defined… 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 »

EMC XtremIO 4.x – AD LDAP Configuration

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Configuring Active Directory (or really LDAP) based authentication for your infrastructure is basically standard fare. Default accounts should always be changed and centralized management and control of access credentials saves you effort over time, and is “Security 101” With that in mind I set about configuring LDAP authentication against an Active Directory on a freshly minted XtremIO 4 cluster, so thought… Read more »

EMC debuts the VNXe1600

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I rarely post articles with a marketing slant, but have allowed myself an exception here to ease back into writing after a short hiatus, and this looks like a product I could find some good use cases for 🙂 EMC have recently released a new member to the VNX/e family, the VNXe1600.   Clearly aimed at the smaller end of… Read more »

Synology DSM 5.2 on 1815+ Enabling R/W SSD Cache

I’ve been deploying a few Synology units lately. They’re well featured, easy to use, reliable and very well priced. For small scale spot SMB storage, they certainly are hard to beat. Up until now, I hadn’t had the need or requirement for any significant performance profiles, with just the SHR RAID and NL-SAS disks performing adequately. That changed for this… Read more »