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Last week VMware released vSphere 7. The first thing I did was upgrading my homelab. My homelab has two hosts (Shuttle SH370R6 Plus and a Shuttle SH370R8 Plus). After upgrading my hosts from VMware ESXi 6.7 Update 3 to VMware ESXi 7, the NVMe SSDs are not recognized anymore. I Have the following NVMe SSD disks in the hosts: Samsung

Pin data in SSD cache: Yes, using split-card mode, you can designate a portion of the 300GB to serve as Direct-attached storage (DAS). All data written to the DAS portion will be kept in SSD. However, since only one card is supported per server and the data is unprotected, this should only be used for ephemeral data like logs and temp files.

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Prozessor: Intel Celeron J4005 Dual Core 2x 2,00 GHz mit Turbo-Boost bis zu 2x 2,70 GHz, 2 MB Cache; Arbeitsspeicher: 8 GB DDR3 RAM / Festplatte: 256 GB SSD; Software: Windows 10 Pro (Vollversion) - ohne Datenträger; Besonderheiten: 4K Aufloesung, Card Reader, Intel HD-Grafik 500, WLAN, Bluetooth 5.0, 2x HDMI, 4x USB3.0, LAN 10/100/1000 MBit
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Mar 24, 2014 · vSphere has an answer, since vSphere 5.1 there are some attributes read by the hypervisor. Cormac Hogan has a great narrative on the basic functionality on his blog. Also VMware KB 2040405 has this outlined in official format. On the same type of drive as shown in Fig. 1 with the native tool, ESXi reports some smart attributes (see Fig. 2).

Jun 25, 2018 · We want to see as close to 100% as possible for the “VDisk block map Cache Hit %” & “Extent group id map Cache Hit %”. The above is an example of a system which has an optimal CVM RAM size for the working set as the Range Cache Hit % of 50% and the “VDisk block map Cache Hit %” & “Extent group id map Cache Hit %” are both ...

Entspricht der Intel nuc 10 esxi der Qualitätsstufe, die ich in diesem Preisbereich erwarte? In welcher Häufigkeit wird der Intel nuc 10 esxi aller Voraussicht nach benutzt? Intel Nuc Mini Komplett PC, Intel Dual Core 2 x 2,70 GHz, 8 GB RAM, 256 GB SSD, USB 3.0, HDMI, Intel UHD Grafik, 4K Aufloesung, 3 Jahre Herstellergarantie, Windows 10 Pro Intel nuc 10 esxi - Unser Favorit . Egal wieviel du letztendlich zum Produkt Intel nuc 10 esxi erfahren wolltest, siehst du bei uns - genau wie die besten Intel nuc 10 esxi Tests. Wir vergleichen viele Eigenschaften und verleihen jedem Artikel zum Schluss eine entscheidene Note. Question 1: Does SSD caching help with LUNs used in ESXi as as a datastore for VM drives? I'm having difficulty understanding how this would work and what downsides there may be. For a LUN, would the SSD simply be caching particular LUN blocks? If so, does it immediately write them from the SSD cache back to the RAID6 the second it can?

Once SSD Cache has been enabled, data requested from disks is continually copied and stored onto the SSD disks. A memory map will be created in the system RAM to record which data blocks are on the SSD Cache.
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Has anyone use the Optimus Eco 2.5” SAS SSD successfully with ESXi 5.5? We have a couple of these drives installed and configured as vSphere Flash Cache. Initially using 20 GB of the 400 GB (372 GB reported in vSphere) drive successfully for a few days and then vSphere started to report the Flash Resource has 0 bytes free out of 0 bytes capacity.

Setting RAID cache policy to always write back mode Thoughts. Hopefully, the look at how to Change BBU and RAID Cache Settings with Avago LSI StorCLI has shown some of the potential of this little utility that can be extremely helpful when using ESXi hosts in a lab environment to be able to control RAID settings of an Avago LSI card without having to reboot your server.

Fast disk storage for data stores and virtual disks supporting VMware vSphere/ESXi, Microsoft Hyper-V, KVM, Xen and others. Holding virtual machines such as VMware VMDKs, along with Hyper-V and other hypervisor virtual disks. Compliment virtual server read cache and I/O optimization using SSD as a cache with writes going to fast SSHD.

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Entspricht der Intel nuc 10 esxi der Qualitätsstufe, die ich in diesem Preisbereich erwarte? In welcher Häufigkeit wird der Intel nuc 10 esxi aller Voraussicht nach benutzt? Intel Nuc Mini Komplett PC, Intel Dual Core 2 x 2,70 GHz, 8 GB RAM, 256 GB SSD, USB 3.0, HDMI, Intel UHD Grafik, 4K Aufloesung, 3 Jahre Herstellergarantie, Windows 10 Pro To configure the Host Cache for an ESXi host to use an SSD-backed datastore, use these steps: 1 Always migrate the cache contentsThis option guarantees that the migration proceeds only if the...

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Aug 26, 2013 · When a vSphere host runs out of physical memory, and would normally swap virtual machine memory to disk, it can first consume space on an SSD as a stop-gap measure. You have the option of continuing down this path with vSphere 5.5 via the use of Virtual Flash Host Swap Cache, which consumes space on the Virtual Flash Cluster. The configuration is again on a per-host basis and requires enabling the cache and setting a size variable. Virtual Machine Flash Read Cache Appliance and VMware vSphere 5.x. ... 2 x 512 GB read cache SSD per controller . 2 x 20 2TB SAS-2 disk trays . 2 x dual port 10GbE NIC . 2 x dual port 8Gbps FC HBA . Aug 29, 2016 · Selected for the caching tier, the PM1725 SSD allows enterprise scale-up storage systems to fully utilize the low latency and extremely high efficiency of the NVMe interface.

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cache. cad. calculator. esxi on usb. ethernet. eventlog analyzer.Aug 28, 2017 · with vSphere 5.5, vFRC can be used on an ESXi host to configure a swap cache. The host swap cache is allocated from a portion of the virtual flash resource. SSD disks can be configured to partly use the space for vFRC and partly for host cache. Using swap to host cache is not the same as placing regular swap files on SSD-backed datastores. About VMware vSphere ... 2 x 512 GB read cache SSD per controller 2 x 20 2 TB SAS-2 disk trays 4 x 24 2 TB SAS-2 disk trays 8 x 18 GB write cache SSD

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I just physically added a SSD into my home backup server and I would like to configure it as a ZFS Depending on your workload, this should make most disk operations faster. In my case, the SSD is...How to: Trim SSD/Cache SSD for ZFS pools on Proxmox VE 6.2 (Configure the system to How to fix: Windows Storage Space/Storage Pool physical disk lost communication, replace dead physical disk.

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As an SSD cache requires a certain amount of system memory depending on the cache size, you See which Synology NAS models support SSD cache here, and share with us what's on your NAS...Because these swap files are small in size, and temporary in nature, you can use small (70 GB to 150 GB) 15k RPM SAS drives to get good performance for a low price. Flash Cache– New in ESXi 5.5 was VMware vSphere Flash Read Cache™, which allows you to use SSDs local to the ESXi host to intelligently cache VM data. Apr 20, 2016 · Why to Cache IOs. Caching of I/O ( both Read and Write) helps to avoid the costly lookup’s to the underlying disks. In case of VSAN the SSD disk selected as ‘cache tier’ act as the caching layer which helps to provide the data directly to the VM without allowing the I/O to go to the underlying disk.

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One with 15Gb for ESXi install. One with 5Gb for Cache (needs to be an SSD, so we will need to simulate a virtual SDD disk later on). 2x with 20Gb for vSAN Capacity Tier; Note: The size of the Virtual Disks are not mandatory. You can increase or reduce my disk size examples. Regarding network, will try to simulate my physical implementations. What is vSphere Flash Read Cache aka vFlash? Flash Read Cache helps in accelerating virtual vFlash was first introduced in vSphere 5.5. It allows you to use local SSD disks of Esxi host to create...

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This Dell YDHYX MU SSD has undergone our data destruction process and has been tested to ensure reliability and performance. The Dell YDHYX Samsung MZ7KH960HAJR0D3 has 960GB of raw storage capacity, and boasts a 6Gbps SATA interface. This solid state drive comes with a one-year next business day replacement warranty through Enterasource.

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Sep 10, 2015 · Samsung Electronics, Co. Ltd. announced at VMworld 2015 its first enterprise caching software solution, the AutoCache v3.0. As part of company’s partnership with VMware, Inc., the caching software is scheduled to be one of the first caching solutions used with the vSphere APIs for IO Filtering, supporting write-back caching in virtualized environments. AutoCache v3.0 relieves […]

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Jul 10, 2014 · Since VSAN uses the SSD devices as a cache, this research would help in picking devices for any caching technology used within vSphere (or pretty much any other hypervisor). My goal is to create a four-node VSAN installation with only two data nodes and still have a few leftover bits of hardware for playing around with vFRC, PernixData, and ... : SSDs for both cache and capacity tiers With a hybrid configuration, the cache tier is used as both a read and write cache, keeping hot data in the cache to improve hybrid design performance. In this configuration, 70% of the cache tier capacity is dedicated to the read cache and the remaining 30% is dedicated to the write buffer. ESXi scheint leider auch nicht zu laufen. Meine Überlegung ist, alle 6 HDD als RAID-Z2 mit ZFS anlegen und die SSD-Festplatte als Cache (L2ARC und SLOG) und Speicherplatz für die VM (dann...

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Aug 29, 2016 · Selected for the caching tier, the PM1725 SSD allows enterprise scale-up storage systems to fully utilize the low latency and extremely high efficiency of the NVMe interface. VMware Virtual SAN (VSAN) was first introduced in vSphere 5.5. It is a hybrid storage system that aggregates local SSDs and hard disk drives to provide a clustered datastore to be used by virtual machines in an vSphere environment. SSDs are used as a read cache and write buffer, while HDDs are used as persistent storage. It is a solid state disk with an additional non volatile cache memory. That cache is build up of Optane memory, which is slower than DRAM, but faster than flash memory, and non volatile too. Its easy for Windows users - there is the preinstalled Intel RST-Driver, which setups the Optane memory as cache for the SSD.

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A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. SSDs significantly increase the I/O performance (IOPS) and/or write speed in Mbps from a...VMware SSD support: Swap to local cache A new feature in vSphere 5 allows a host to automatically detect a local solid-state drive (SSD) and allow for part of that disk to be set up as a local cache for VM swap files. In some cases, this VMware SSD configuration can greatly improve performance.

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vSphere Flash Read Cache share the same SSD drive qualification process outlined below. The vFRC certification program provides tools and development resources designed to enable TAP partners to get their hardware devices tested against vSphere and obtain official certification and support.

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Jan 22, 2018 · Correct. If Veeam is already running on its own SSD. On the other hand, Veeam actually will use its own iops so you might gain a bit when switching to another SSD. In these cases, I would simply say, try it out and see if the result is satisfying enough for you in case of a disaster Cheers Mike *Sequential performance measurements based on CrystalDiskMark 5.0.2/IOmeter 1.1.0 and random performance measurements based on IOmeter 1.1.0.Performance may vary based on the SSD`s firmware version,system hardware and configuration.Test system configuration: Intel® Core i7-6700K [email protected] GHz,DDR4 1700MHz 16GB,OS-Window 10 Pro x64,Chipset-ASROCK Z170 EXTREME 7.

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Jul 19, 2017 · Unmounting a datastore using vSphere client, which was used for Host Cache on the ESXi 5.5 host fails with the error: Cannot unmount volume 'Datastore Name: vm3:SSD VMFS uuid: 517c9950-10f30962-931f-00304830a1ea' because file system is busy. Correct the problem and retry the operation. vsphere ESXI 6.7 u2 SSD cache. by apple-tech-geek. on Sep 4, 2019 at 12:25 AM 1st Post. i've been reading trough quite a few web pages regarding using 1 or more ssd's as a read cache for vm's.

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Jul 19, 2017 · Unmounting a datastore using vSphere client, which was used for Host Cache on the ESXi 5.5 host fails with the error: Cannot unmount volume 'Datastore Name: vm3:SSD VMFS uuid: 517c9950-10f30962-931f-00304830a1ea' because file system is busy. Correct the problem and retry the operation. In vSphere 5, there is a new feature called Host Cache which allows a user to offload the virtual […] PM #4 To force ESXi to see a datastore as an SSD (for VSAN for instance) check this site: How to...

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Feb 19, 2013 · ESXi 5.0 onwards does officially supports SSD disks. This capability lets the users taking an advantage of caching/storing the VM swapfiles on fast disks. For using the SSD disks for holding caching purpose, you need to allocate a percentage of 1-100% space to use it for host caching. Host – Configuration – Host Cache Configuration Because these swap files are small in size, and temporary in nature, you can use small (70 GB to 150 GB) 15k RPM SAS drives to get good performance for a low price. Flash Cache– New in ESXi 5.5 was VMware vSphere Flash Read Cache™, which allows you to use SSDs local to the ESXi host to intelligently cache VM data. Mar 27, 2012 · Select Configuration Tab. Select Host Cache Configuration under software. Right Click on the SSD Datastore and Select Properties. Disable Checkbox for Allocate space for host cache. Click OK. DONE!! Thats it, host cache has been disabled.

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After logging into your ESXi host, you can click on Storage and then over in the right hand pane, you Also, important to note with this method, you need to have enabled SSH on the ESXi host you want to...Flash Accel software runs on VMware ESXi hosts and virtual machines. You use the Flash Accel Cache window in Virtual Storage Console (VSC) for VMware vSphere to install the host and virtual machine software and to manage caching across the vCenter. Flash Accel has the following components: • Flash Accel Host Agent.

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1. All SSD drive vdev's with maxed out RAM? (no L2ARC or Cache). Links to similar forum posts: ESXi NFS storage SSD RAIDZ3. I'm building a high performance ZFS SAN for education.MaxIQ™ SSD Cache Performance Kit allows data centers to convert industry-standard servers into cost-effective, high-performance, scale-out application storage appliances. This unique SSD-based caching architecture can accelerate application I/O performance by up to 5 times that of HDD-only arrays designed for maximum I/O workloads. This application-agnostic caching does not M.2 NVMe SSD cache support; Over 226 MB/s read performance; DS720+ 2 bays. 4-core CPU burst up to 2.7 GHz; M.2 NVMe SSD cache support; Scales up to 7 drives; DS920+ 4 ...

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Flash Technology: eMLC SSD Virtual SAN Hybrid Caching Tier ESXi 6.0 U1 ESXi 6.0 ESXi 5.5 U2 ESXi 5.5 U1 DELL 400GB Solid State Drive SAS Mix Use MLC 12Gbps 2.5in Hot-plug Jun 06, 2020 · This means that in the event of a power failure, any data sitting on the write cache on the SSD may be lost. This could put your data at risk. Using enterprise solid state drives remedies this issue as they often come with PLP. Conclusion. SSD’s are great for storage, whether it be file, block, NFS, or iSCSI! Apr 05, 2020 · I have 6 x 2 drive mirrors in my pool (12 x 4TB SAS drives total) I added a 240GB SSD for SLOG. The server itself has 256GB RAM (Dell R720xd) I have a spare slot in the back for another SSD, is it worth adding a cache drive as well? Use case is VMs in home lab, I have 10GiB networking between...

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I have a DLL R515, and i just added an SSD to it. In vSphere, if i go to Configuration -> Storage I also wonder why it does not appear in the Configuration -> Host Cache Configuration -> Add Storage...9 hours ago · Установка VMware ESXi на компьютер Raspberry Pi 4 28/10/2020. 5 you can format an SSD disk with theVirtual Flash File System (VFFS) and use it either as Host swap cache (see above) or as a configurable read and write-through cache for selected VMs. 5 Update 2 NOTE: VMware vSphere ESXI 5.

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Jun 27, 2018 · SSD congestion If the size of the write buffer of the caching disk exceeded a threshold then a SSD congestion occurs. IOPS congestion This happens when the number of incoming I/Os is too large for the physical disks. Log congestion If the internal log space runs out of space, a log congestion will happen. Memory congestion

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ESXi. How-to. Migrate ESXi 5.5 hosts from a windows 5.5 vCenter and vDS to a new 6.0 VCSA; Custom NUMA vmx settings for 8 vcpus on a 6 core host; vSphere Replication – disable vr2c-firewall.vib push to ESXi hosts; Commands to bring online a down VMNIC; Update Dell ESXi 6.5 Image with PowerPath; ESXi 5.5 Unable to connect to NFS server denied ... As an SSD cache requires a certain amount of system memory depending on the cache size, you See which Synology NAS models support SSD cache here, and share with us what's on your NAS...First, in order to detect Network Address Authority (naa) identifier of the SSD run de following commands: # esxcli storage nmp device list|less or # esxcfg-scsidevs -l | less or #esxcli storage core device list|less If you detect the following Is SSD: false <– Not recognized as SSD Run these commands: # esxcli storage nmp satp rule add –satp=VMW_SATP_LOCAL –device naa.600304801axxxx ...

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An SSD (even a smallish one) for your main VM will go a long way. I only have a 60GB SSD in my ESXi build but I only put windows XP on it and it works a treat. It is 10 times faster running from the SSD...Sep 10, 2015 · Samsung Electronics, Co. Ltd. announced at VMworld 2015 its first enterprise caching software solution, the AutoCache v3.0. As part of company’s partnership with VMware, Inc., the caching software is scheduled to be one of the first caching solutions used with the vSphere APIs for IO Filtering, supporting write-back caching in virtualized environments. AutoCache v3.0 relieves […] 1 HP Smart Array CLI commands on ESXi. 1.1 Show configuration; ... Enable smart array cache for certain Logical Volume ... Disable SSD Smart Path

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Jul 18, 2020 · July 18, 2020. In terms of price/performance, enterprise NVME SSDs have now become the best choice for in-VMware host caching media. They are higher performing and cost just a little more than their lower performing SATA counterparts. The Samsung PM1735 (in PCIe form factor) and the Intel P4610 (2.5″ U.2 form factor) NVME SSDs are my favorites. Сервер на SSD.

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This tutorial shows you how to pass SATA HDDs to the virtual machine on VMWare ESXI 6.5. There is now an option while editing your VM's settings to add a New raw disk when you click Add hard disk.The SSD Cache feature provides a way to improve read performance. SSD cache is a set of Solid-State Disk (SSD) drives that you logically group together in your storage array to implement a read cache for end-user volumes. SSD cache is a secondary cache for use with the primary cache in the controller DRAM. Jun 27, 2014 · So, you can deselect all of the disks that will be used for VSAN, thus disabling Read cache for them. Finally, there’s an option to enable HP SSD Smart Path and enabling it can accelerate reads and writes. <added on October 17, 2014> DO NOT “Enable HP SSD Smart Path”. Leave Smart Path disabled.

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I Have the following NVMe SSD disks in the hosts To fix this, perform a clean installation of VMware ESXi 7. After the clean installation, the NVMe disks are recognized.First, in order to detect Network Address Authority (naa) identifier of the SSD run de following commands: # esxcli storage nmp device list|less or # esxcfg-scsidevs -l | less or #esxcli storage core device list|less If you detect the following Is SSD: false <– Not recognized as SSD Run these commands: # esxcli storage nmp satp rule add –satp=VMW_SATP_LOCAL –device naa.600304801axxxx ... With ESX 3.5, the first ESXi version was released but only few were using it. When running ESXi stateless, the host will PXE boot and load an ESXi image into memory.

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I've been playing around with ESXi for almost a month now. My first hurdle was getting my GPU to successfully passthrough and while a bit bumpy, I managed...Let’s be ungrateful, unplug the external SSD cache and see what happens! A few seconds after unplugging the eSATA cable, the NAS started beeping. On the surface, I could not tell that anything has changed. The ESXi datastore was healthy. The only other sign of problems was in the storage manager where it reported that the SSD cache has crashed.

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Since the upgrade to ESXi 6.5 on my homelab i got bugged with a strange issue. All my SATA SSD got really high latency and my VM's randomly froze when i generated a big file copy actions.Aug 01, 2016 · Cache all the data! In SvSAN 6 the VSA will automatically decide on the optimal read:write ratio of the SSD cache. Less used data is automatically removed from the cache based on age. Good to know is that the older SvSAN 5.3 only did write caching, not read caching.

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Dec 09, 2018 · On the Virtual Server front if you were using VMware ESX 5.5 and 2 TB of SSD Read cache you should be able to sVMotion that host from SAN to DAS before the workload times. As I recall 5.5 also uses the Host RAM as disk cache.

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Config : 4x 512MB Samsung 840 Pro SSD in Raid 5. (strip size 128KB, Full strip 384KB), verified with Physical Drive Write Cache enabled. Firmeware : updated to 4.68 (1month ago) SSD Array 100% used (no freespace). The SSD Wear Gauge always show 100% (maybe it's right, maybe no) The only one problem I got is an alternative performance. Nov 17, 2015 · After troubleshooting and exploring the issue with them, it was noticed that cache was not enabled on the RAID array that was providing the storage for the vSphere implementation. Please note, that in virtual environments with storage based off RAID arrays, RAID cache is a must (for performance reasons).

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Re: ESXi SSD / NVME actual IOPS numbers by dwright1542 » Wed Aug 03, 2016 4:07 am I've actually gotten some decent numbers shutting off all the caching off, and using a minimal amount of RAM for SW, and installing PERNIX on the front side. Setting RAID cache policy to always write back mode Thoughts. Hopefully, the look at how to Change BBU and RAID Cache Settings with Avago LSI StorCLI has shown some of the potential of this little utility that can be extremely helpful when using ESXi hosts in a lab environment to be able to control RAID settings of an Avago LSI card without having to reboot your server. As of ESX 3.5 and Workstation 6.5.2, it is possible to virtualize ESX in a Workstation VM (or inside a vSphere server, for that matter, but we won't be discussing that in this white paper), although this required workarounds and was not supported. It is possible to run ESXi 6.0 inside of ESXi 6.0 or VMware Workstation 8.0 or higher.

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