performance on ESXi

Similar Questions

• SSD Intel DC P3700 NVMe and performance in ESXi 5.5.

  Hello

  I have 2 HP Proliant DL380 G9 with a 2 TB Intel P3700 NVMe SSD PCI - e card each.

  To put a virtual machine on these cards, I don't get the performance I expected.

  My basis for this is a Workstation Windows 8.1 with a 800 P3700 Go card for OS/workspace based on a Supermicro X10DAI motherboard.

  When I benchmark P3700 of this workstation, I get results and performance as expected.

  During the calibration of a virtual machine on a data P3700 store, I get waaay lower results, especially for workloads sequential.

  Change controller of paravirtualised, results changes a little, mainly best write performance, but the results are always a way weak.

  I use the following driver for P3700, downloaded from the vmware.com website:

  Is - 1.0e.0.30 - 1vmw.550.0.0.1391871.x86_64.vib

  Screenshots of P3700 on Windows desktop / VMWare workstation VM / ESXI 5.5:

  

  
  

  
  

  Paravirtualised:

  

  
  

  Any ideas?
  

  Now we are talking about, the drivers are definitely the big question here.

  Pre-release of Intel driver: intel-nvme - 1.0e.0.0 - 1OEM.550.0.0.1391871.x86_64.vib, did the trick.

  The results are always a little strange when it comes to performance and results in read/write / values are not yet 100% where I want them, but ATTO finally shows sequentially results above the limit of 600/800 MB I saw with vmwares pilot.

  Storage of the weak watch anvil utilities score both on driver LSI_SCSI and paravirtualised. I'm not shure why, but outcomes are improved in a way.

  I guess than the version driver gold, and maybe a combination with ESXi 6 improve it more.

  I consider a little more.

  Intels pre-release driver with LSI_SCSI controller:

  

• Using the cmdlet Get-stats for the problems of performance of ESXi

  I need to detect the bottlenecks (if any) causing poor performance with a (free) 5.5 ESXi host.

  I see that if I use the cmdlet Get - stat PowerCLI I get dozens of meters, such as "mem.usage.average" or "'rescpu.maxlimited1.latest ', just to give two samples. "

  Can I identify a subset of the counters I should follow to identify possible bottlenecks in the fastest way possible?

  Concerning

  Marius

  Everything depends of course.

  There are several positions which list a number of key counters to watch.

  The Hosts of ESXi monitoring - a deeper on the what and the why look , you will find a good starting set.

• Facing problems of performance with ESXi

  Dear Sir

  I am facing a problem and I couldn't find a solution for her, I have two virtual environment on the site of min and the other on the recovery site, and I use SRM between them.

  The main site contains 12 SUN 6270 blade system 5.1 of VMware ESXi and vcenter 5.1 with clarion Cx4 (SAN storage)

  The DR site contain 5 blade Dell 5.1 of VMware ESXi and vCenter 5.1 with clarion CX4 (SAN storage) system

  I'm Clariion Storage VMAX, my question is on the main site when I add and mount LUN to ESXi hosts when I rescan there took an hour to complete a new analysis, the performance is very bad, in the face of the strange disconnect on the issue of the host, although I checked the compatibility between the Sun and ESXi 5.1 It is compatible

  the DR I'm not confronted with this problem it is fast and the performance is excellent.

  I need a solution please

  Fixed after I removed the clarion and fix some issues on Sun blades fiber cards

  performance of becoming better than before

• Network/raid performance on ESXi 5

  I'm a newbie VMWare test performance using 5 ESXi (free) to see if VMWare will be a satisfactory solution.  The thin hypervisor runs on a years 4u Dell with Xeons @2.66 8, 32 G ram, ethernet ports 4 gigabit ports (currently connected to ports on a cisco switch - they don't have to share their bandwidth with other machines) and 4 drives in RAID5 (450 GB).  I have 4 CentOS5 virtual machines running at the same time and I'm trying to measure the bandwidth of file transfers.  Each of the virtual machines VMware tools installed and use the 3 VMXNET network adapter.  The VMs and VMkernel are currently attached to a vswitch that is connected to an etherchannel (hash IP) two of the gig ethernet ports.  The main questions are:

  • establishing an ssh connection to a virtual computer takes about 15 + / 4 seconds of "Do you want to trust in this regard" at the password prompt
  • file transfer (scp) between the two machines is consistently 11.5 + / 1 MB/s.  This is true for the transfer of files between the virtual machines hosted on this box or any of the virtual machines and any other device on the subnet.

  Any other relevant information:

  • pings between two virtual machines: first ping about 1.4 ms and all the 0.4 Ms
  • pings between VM and another server: first ping about 2 ms and every 1 ms
  • Each virtual machine and the vmkernel use DHCP
  • There no lag once sshed in a virtual machine
  • The data store is about 1/4 full.
  • All virtual machines are thinly provisioned.
  • execution of SSH on Port IP VMkernel is instantaneous from other servers and takes about 2 seconds of a virtual machine.
  • In addition to my manual tests, there is no other traffic on the network and CPU usage and disk are minimal
  • a scp pushing a file to the virtual machine to the VMkernel quickly established, but a scp a file from the VM to the VMkernel traction expires entirely
  • While scping a single file between two virtual machines, the CPU usage goes to 75% on one heart.  All other seem unchanged.
  • hdparm - Tt/dev/sda tells me that my maximum reading speed on the RAID5 array is around 200 MB/s.  Even including the overhead associated with reading blocks and then write them on the same unit, the drive speed is probably not the bottleneck for the speeds of the scp.
  • However, cping a single large in a virtual machine file goes to about 30 MB/s - considerably less than 50% of the response of hdparm (what I was waiting for the operating system to completely load the file into RAM, wait a seektime, then réécrirait in a contiguous block), but still well above the reported by scp transfer speed.

  Thoughts:

  11.5 Mbps is strangely close to 100 Mbps - is there an artificial constraint on the free version of ESXi do max on all network connections to 100 Mbps?

  If the transfer is limited by the CPU, which seems ridiculous.  A single 2.66 Xeon is barely able to administer a file transfer of 12 MB/s via the ssl Protocol?

  Resources or ideas are welcome.  Thank you, all.

  Good job digging around.

  Number of things (IMO):

  -File copy tests should not be used to test the performance of the storage subsystem.  Launch Windows 2003/2008 1-2 VMs and get IOMeter running.  It is a sure way to put crab on your drives.  The problem with the copy of file is that there is a lot of overhead involved (CIFS, TCP/IP, file systems), IOmeter bypasses all this (except the file system) and gives you a gross rate.  Your hdparm is a good indication of good performance.

  -scp uses a lot of CPU, it's a way slow (but safe & convenient) to transfer files.

  -You look good pings, ARP can take 500-1500 ms to make a difference

  -Re: your slow ssh connections, try disabling DNS lookups that are reversed in your/etc/ssh/sshd_config (')UseDNS no')

  Ben

• Impossible to get on-time performance real ESXi 4

  I have three servers ESXi 4 and on one server I am unable to get real-time performance.  I thought it was a 'TIME', so I changed the time of match, the other two server and with still no luck.  Please notify.

  Thank you

  You can also try and restart your ESXi host management officers affected.

• Performance of ESXi

  How many virtual servers can I host on single server ESXi 3.5 and that the performance of these virtual servers? I have 2NIC and 2 mirror RAID drivers and 32-bit server.

  Everything depends on what will be the virtual machines of workloads and what kind of hardware resources of your ESX Server has - suggestion of Troy is a good starting - point

  If you find this or any other answer useful please consider awarding points marking the answer correct or useful

• Maximization of double connection NIC to boost performance on ESXi vSwitch

  Hi all

  I was wondering if I could useboth NIC connection at the same time to boost performance?

  in the attached screenshot one is currently disabled? I use ESXi 4 with the latest patch and it's Dell Power Edge 2950 - III Broadcom NetXtreme II NICS and Intel Pro 1000 MT with TOE NIC.

  all cables Cat6 and address IP currently assigned to this host ESXi is one.

  any kind of suggestion and comments would be greatly appreciated.

  Thank you.

  Kind regards

  AWT

  So overall, you have 4 nic dedicated to the movement of SAN 2 and 2 configured on the console Service, VMoption and LAN traffic (in active Passive).

  Best practice is to separate the traffic of your management of your LAN traffic.

  With Layer 2 switches that I recommend that if you go to a single switch anyway, so you might as well dedicate a NIC to SC/vmotion and then spend the other card NETWORK LAN traffic.  This at least allows you to run backups on the SAN network (or make vmotions) without killing your Lan traffic (or vice versa).

  You could probably change the vswtch based on MAC address instead of virtual port and then make it active two NICs.  In this configuration, a virtual machine takes a NIC at boot time and still about it... basically giving you a few loadbalancing.

  I personally would probably go the way of its own for the LAN NETWORK card and the other card network for SC/Vmotion.

• Cannot display tables of performance of ESXi 4.1 data store

  Using Vcenter, I select the tab performance on each host ESXI4.1. I can view a chart for reading of data store and the latency of writing in real time. However, if I select any period other than in real time, the array is empty.

  Others for example CPU performance measures work well in real time and measures 24 hours a day.

  I have to be able to measure the reading of the data and store latency of writing on at least a 24-hour period. Someone had this problem?

  Examples shown in attachemnt.

  Hello

  Try to change the statistical level in 3:

  go to Administration - vCenter Server Settings - statistics and change the statistical level to 3

  wait for a while and check the historical performance, don't forget, change it back when you did with analysis

  See you soon
  Artur
  

  Please, do not forget the points of call of the "useful" or "correct" answers

• slow performance of ESXi 4 with BBWC p410

  Hello

  I've got performance slow disk on the guests (3 W2k8, 64-bit)

  Material:

  HP ML350G6, 2QC, 24 GB of RAM, controller P410 raid with 512 MB BBWC, LUN 1, RAID5 with 13x146GB 10 k disks.

  1 x P212 with attached LTO3 and passthrou to W2k8 invited.

  Is there something wrong in a LUN/RAID configuration? I tried to light no activity of the RAM for Windows and realizied cache. IOMeter with file server model displays a disk of 35 MB/s performance at the beginning. He slows to 5 MB/s.

  Any tips?

  Thank you

  Walter

  With the latest Smart bays, you have to manually activate the cache writeback through the ACU (Array Configuration util), that you can run from the SmartStart CD/DVD. This is impossible inside the app from BIOS.

• Poor ESXi 4 NFS Datastore Performance with various NAS systems

  Hello!

  In testing, I found that I get between a half and a quarter of the e/s inside a guest performance when ESXi 4 systems connect to the using NFS data store if the clients connect to the exact same NFS share.  However, I don't see this effect if the data store using iSCSI or local storage.  This has been reproduced with different systems running ESXi 4 and NAS systems.

  My test is very simple.  I created naked CentOS 5.4 minimum installation (completely updated 07/04/2010) with VMware Tools loaded and the creation time of a file of 256 MB using jj.  I create the file on the root (a VMDK stored in different data warehouses) partition or a directory of the NAS mounted via NFS, directly in the comments

  My crucial test configuration consists of a single test PC (Intel 3.0 GHz Core 2 Duo E8400 CPU with a single Intel 82567LM-3 Gigabit NC and 4 GB RAM) running ESXi 4 connected to a printer HP Procurve 1810 - 24 G, which is connected to a VIA EPIA M700 NAS system running OpenFiler 2.3 with two 1.5 to 7200 tr / MIN SATA disks configured in front of software RAID 1 and dual Gigabit Ethernet NIC.  However, I have reproduced it with different ESXi PC and NAS systems.

  This is a release of one of the tests.  In this case, the VMDK is a store of data stored on the NAS via NFS:

  -

  ---

  root@iridium /sync #; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 0,524939 seconds, 511 MB/s
  Real 0m38.660s
  user 0m0.000s
  sys 0m0.566s
  root@iridium /# mount/mnt 172.28.19.16:/mnt/InternalRAID1/shares/VirtualMachines
  root@iridium /# cd/mnt
  synchronization of the # mnt root@iridium; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 8,69747 seconds, 30.9 MB/s
  Real 0m9.060s
  user 0m0.001s
  sys 0m0.659s
  mnt root@iridium#.

  -

  ---

  The first dd is a VMDK stored in a connected via NFS data store.  The dd ends almost immediately, but the synchronization takes nearly 40 seconds!  It's less than 7 MB per second transfer rate: very slow.  Then I get the exact same NFS share that ESXi is used to store data directly in the comments and repeat the DD.  As you can see, the SD is longer and the synchronization takes no real time (as befits a NFS share with active sync), and the whole process takes less than 10 seconds: this is four times faster!

  I don't see these results on data warehouses mounted via NFS.  For example, here is a test on the guest even running from a mounted via iSCSI data store (using the exact same SIN):

  -

  ---

  root@iridium /sync #; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 1,6913 seconds, 159 MB/s
  Real 0m7.745s
  user 0m0.000s
  sys 0m1.043s

  
  root@iridium /# mount/mnt 172.28.19.16:/mnt/InternalRAID1/shares/VirtualMachines
  root@iridium /# cd/mnt
  synchronization of the # mnt root@iridium; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 8,66534 seconds, 31.0 MB/s
  Real 0m9.081s
  user 0m0.001s
  sys 0m0.794s
  mnt root@iridium#.

  -

  ---

  And the same comments linking internal SATA drive of the PC ESXi:

  -

  ---

  root@iridium /sync #; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 6,77451 seconds, 39.6 Mbps
  Real 0m7.631s
  user 0m0.002s
  sys 0m0.751s
  root@iridium /# mount/mnt 172.28.19.16:/mnt/InternalRAID1/shares/VirtualMachines
  root@iridium /# cd/mnt
  synchronization of the # mnt root@iridium; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 8,90374 seconds, 30.1 MB/s
  Real 0m9.208s
  user 0m0.001s
  sys 0m0.329s
  mnt root@iridium#.

  -

  ---

  As you can see, the performance of NFS direct comments for each of the three are very consistent.  ISCSI and the performance of the store local data disk are both a bit better than that - as I expect.  But the mounted via NFS data store gets only a fraction of the perfomance of the any of them.  Obviously, something is wrong.

  I was able to reproduce this effect with an Iomega Ix4 - 200 d as well.  The difference is not as dramatic, butalways important and consistent.  Here is a test of a guest of CentOS using a VMDK stored in a data store provided by an Ix4 - 200 d via NFS:-.

  root@palladium /sync #; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 11,1253 seconds, 24.1 Mbps
  Real 0m18.350s
  user 0m0.006s
  sys 0m2.687s
  root@palladium /# mount/mnt 172.20.19.1:/nfs/VirtualMachines
  root@palladium /# cd/mnt
  synchronization of the # mnt root@Palladium; Sync; Sync; time {dd if = / dev/zero of = bs = 1 M count = test.txt 256 sync; sync; sync ;}}
  2560 records in
  2560 records out
  268435456 bytes (268 MB) copied, 9,91849 seconds, 27.1 MB/s
  Real 0m10.088s
  user 0m0.002s
  sys 0m2.147s root@palladium mnt-#.

  -

  ---

  Once more, the direct NFS mount gives very consistent results.  But using the diskette provided by ESXi on a mounted NFS datastore gives still worse results.  They are not as terrible as OpenFiler test results, but they are constantly between 60% and 100% longer.

  Why is this?  What I've read, NFS performace is supposed to be within a few percent of the iSCSI performance, and yet I see between 60% and 400% worse performance.  And this isn't a case of the SIN is not able to provide correct NFS performance.  When I connect to the NAS via NFS directly inside the guest, I see much better than when ESXi connects to the same NAS (the same proportion!) via NFS.

  The configuration of ESXi (network and network cards) is 100% stock.  There is no VLAN in place, etc., and ESXi system has only one

  Single Gigabit adapter.  It is certainly not optimal, but it doesn't seem to me to be able to explain why a virtualized guest is able to get a lot better performance NFS as ESXi itself to the same NAS.  After all, they both use the same exact suboptimal network configuration...

  Thank you very much for your help.  I would be grateful any idea or advice, you might be able to give me.

  Hi all

  It is very definitely a performance O_Sync problem. It is well known that NFS VMware shops still use O_Sync for writes little matter what share put for a default value. VMware uses a custom file locking system so you really can't compare it to a normal NFS share connection to a different NFS client.

  I have validated that the performance will be good if you have an SSD cache or storage target with enough reliable battery backup.

  http://blog.laspina.ca/ubiquitous/running-ZFS-over-NFS-as-a-VMware-store

  Kind regards

  Mike

  vExpert 2009

• Cannot take snapshots of suspended after 6 ESXi upgrade

  Hi all, first time around;

  A few days ago, I performed an ESXi spend 5.5 to 6 by Update Manager. Everything worked like a charm, until I realized that I can take is more suspended snapshots of the virtual machines running on the host computer. Tried W2K8R2, W2012, VM Version 8/11 and VMWare Tools old and more recent versions. Whenever I try to get a snapshot of put it to sleep I get these errors in the virtual machine vmware.log file. Virtual disk service is running in the operating systems:

  2015 06-11 T 13: 32:54.081Z | vCPU-0 | A115: ConfigDB: setting displayName = "NXCAGATEWAY."

  2015 06-11 T 13: 32:54.200Z | vCPU-0 | I120: SnapshotVMXTakeSnapshotComplete: done with snapshot "PRUEBA": 11

  2015 06-11 T 13: 32:54.200Z | vCPU-0 | I120: SnapshotVMXTakeSnapshotComplete: Snapshot 11 failed: impossible to suspend the virtual machine (31).

  2015 06-11 T 13: 32:54.200Z | vCPU-0 | I120: SnapshotVMXTakeSnapshotComplete: Instant incomplete cleaning 11.

  2015 06-11 T 13: 32:54.203Z | vCPU-0 | I120: SNAPSHOT: SnapshotDeleteWork ' / vmfs/volumes/548b836e-61e32ba2-7419-001517fdda30/NXCAGATEWAY/NXCAGATEWAY.vmx': 11

  2015 06-11 T 13: 32:54.203Z | vCPU-0 | I120: SNAPSHOT: Snapshot_Delete failed: the specified snapshot are not (28)

  2015 06-11 T 13: 32:54.204Z | vCPU-0 | I120: SnapshotVMXTakeSnapshotComplete: cannot delete the snapshot cancelled: failure to suspend the virtual machine (31). VigorTransport_ServerSendResponse opID=a776b9be-ce1e-4119-bfb6-fb7d10ceef8c-19582-ngc-15-80-5ced seq = 35577: complete snapshot request.

  2015 06-11 T 13: 32:54.208Z | vCPU-0 | I120: TOOLS of the call to unity.show.taskbar failed.

  This situation prevents me to take backups of virtual machines running on the host, any help I can get?

  Kind regards!

  Please check if the latest patch is installed, which solves problems with suspended snapshots (see http://kb.vmware.com/kb/2116127).

  André

• Why historicalInterval is NULL for ESXi 5.0.0 build-504890 (no stats PastDay)?

  Hello

  I noticed that for our guests (ESXi 5.0.0 build-504890) of ESXi historicalInterval PerformanceManager property is not set (e.g. NULL). that is, there is no statistics 'Last day' in terms of vSphere client.

  But according to the vSphere Web Services SDK Programming Guide :

  ESXi servers also set a unique historical range (PerformanceManager.historicalInterval) that defines the overall performance data.  This system-defined performance range specifies aggregated data collection every 300 seconds for each counter. You cannot change the intervals of performance on an ESXi server.

  What is the problem with our guests?

  P.S. these hosts are managed by vCenter

  My guess - the parameter is basically ignored with a default installation.  ESXi don't include all the data, but only to pass his stats in real-time to vCenter.

  One time, I wrote on the extension of local performance on ESXi hosts data - http://www.vm-help.com/esx/esx3i/extending_performance_data.php.  With this method, you could get up to 36 hours of a locally stored data value.  I guess you could do it again with ESXi, in which case the setting would then get used.  Why it is there in the first place, I'm not sure.  I don't remember if early ESX version were able to store more data in real time on the spot.

• Performance for the virtual computer table appears in Vcenter server.

  
  Hi people,
  The array of performance for ESXi and virtual computers is not displayed in the server Vcenter Server 4.1 after clicking on the help of Tab.Any seen on this will be appreciated. Please find the screenshot.

  Thank you
  vmguy

  That the said KB - No.

  Maish

• [ESXi vs VMWareServer] How to configure my Apache and IIS?

  Purpose: I have to run [PHP + Apache + MySQL on Apache] and [ASP + SQL Server through IIS] on the same machine.

  Solution 1: PHP + Apache + MySQL on Windows.

  Solution 2: Linux (Apache + PHP + MySQL) in VMWare Server on Windows.

  Solution 2 b: Linux (Apache + PHP) in VMWare Server on Windows. MySQL is installed on Windows and is accessible by a Linux virtual machine via the local network.

  Solution 3: Windows in VMWare Server on Linux.

  Solution 4: Linux and Windows on ESXi.

  For 1: I do not take this solution, because non-native Linux environment gives poor performance of PHP and no good url rewrite support.

  So, I need to decide between solution 2, 3 and 4.

  I understand 4) is the best solution in terms of performance. But I'm new to VMWare. I need easy management. I do not know if something would have mysteryously wrong on my ESXi machine one day.

  So my question boils down to [Performance gained by ESXi] VS. [Acquired by VMWare Server Management].

  I don't know how much performance I could win using ESXi and harder it will be to use the production environment.

  Anyone with experience of the real world in it? Thank you!

  Development of VMware Server is dead, to the best of my knowledge, no other patches or versions are coming.

  I would never start a deployment on a software platform that is the end of life.

  Better performance on esxi is significantly fairer under heavy load, hard equity of this guarantee of resource planning.

  Esxi management is like managing an embedded linux or cisco box, it has qualities unixy but cautioned a number of unique and implemented controls.

  If you're worred about the overhead of learning and that you are familiar and comfortable with linux in general management, you can also consider esx.

  ESX has more commands that feel like rhel 5.2, it is fewer machines than esxi and feels more like a box of special rhel.

  When I started with esxi 3.5 only the hardest part was finding how to download a virtual machine.

  Everything else was really easy and feasible through the vsphere client.

  Using vmware server will work, but this isn't the best solution in terms of performance or future bug fixes.