How many blocks has not been zeroed out in a lazyzerofile
Hi Does anyone know an better way then vmkfstools -t0 to find out how many blocks that has not been zeroed out (i.e written to) in a lazyzero vmdk? I need to to this on thousands of powered on VM's. Br...
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Re: How many blocks has not been zeroed out in a lazyzerofile
What I could think of is doing this using PowerCLI.If you want I can move your question to the PowerCLI community. André
View ArticleRe: Can't delete datastore - vsantraces locked by host that doesnt exist anymore
Already check this: VMware KB: Unmounting a datastore used for Host Cache on ESXi 5.5 fails with the error: Cannot unmount volume <datas…Cannot remove datastore * because file system is busy. |...
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Re: Storage vMotion leaves log files on old datastore
And... about vm in new datastore?
View ArticleRe: Horrible iSCSI performance - ESXi 5.5 + Storwize V7000
Hello Pablo, I have the same situation. With some differences. I have a Flex, x240 Nodes and Flex V7000 storage node. All is working with ISCSI CNA 10Gbps. The performance is horrible. And...
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Can we perform VAAI unmap command on a running VM datastore ?
Hi, I want to reclaim the unused space in my datastore using VAAI UNMAP.Can we do it on a running VM ? What are the precaution steps to be taken to perform the space reclamation operation.Please help...
View ArticleRe: Network access to datastore
Hello all, Did some tests with PowerCLI, WinSCP, PSCP and copies are very slow. For a 200 GB VM I get about 10 hours. (5~6MB/s) Security is not an issue since the copy is inside the LAN... I read about...
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Unable to access synology iscsi datastore on nested host
I have setup a Synology ds 414 version -5-2-5592 , with 2 volumes set as 2 iscsi targets, I am running 2 esxi 6 hosts , one physical and one nested, from the phyiscal host I can access the targets...
View ArticleRe: Unable to access synology iscsi datastore on nested host
Have you enabled promiscuous mode on vSwitch of your physical host ? See this another thread: Nested ESXi 5.1 and iSCSI Shared Storage
View ArticleRe: Slow Write speed on Linux VM
Please share esxtop (disk view ) details of all the VM's involved. This KB will help to you on using esxtop :...
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Slow Write speed on Linux VM
Linux team raised issue that 3 VM's are reporting very slow write speed, write speed as low as 10 MB/s, where as other linux VMs with exactly same configuration on same host are writing data at 240...
View ArticleRe: Unable to access synology iscsi datastore on nested host
This worked, thank you very much.
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entering sdrs maint mode causes major issues
When I put any one of my datastores into maintenance mode, it causes extremely high utilization and outages on my vms. Basically my vm's get high cpu wait, which is causing them to be unresponsive or...
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Re: entering sdrs maint mode causes major issues
Just a quick update in case anyone is watching this post,The Datastore is actually on a CX4 and we are running vsphere 5.5 and I see some conflicting reports of vaai support and cx4. we do have mixed...
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Re: entering sdrs maint mode causes major issues
Disabling VAAI is a not a recommended solution to your problem. By putting the entire datastore in maintenance mode, you are telling SDRS to evacuate all of the VMs, which can result in multiple...
View ArticleRe: Unable to remove datastore
in my case its a FC channel i moved.. so go to storage adapter -> choose right vmhba in the fc list... in details right click the dead fc channel and unmount... THEN go back to storage and rescan....
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Missing target and paths
Hi! I recently installed esxi 6.0 on ibm x3550m4. The host was connected to ibm v3700 storage with a single sas cable (to controller a)Yesteday I added a second cable from the second port to controller...
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Got myself into problems with Extents
We have two RAID arrays on shared storage, using a P2000 on SAS.RAID 6 being the main one with our vmware servers hosted on two physical servers.There's a second RAID 5 array which is used by a 3rd...
View ArticleRe: Got myself into problems with Extents
Yes - that is possible.Just tried it - but before I go into details I would like to seepartedUtil getptbl for all devicespartedUtil getusableSectors for all devicesesxcfg-scsidevs -m If I were you I...
View ArticleServer 2012 Storage Question (I'm thoroghly confused)
Hello Everyone and thank you in advance for any help or suggestions you can provide. I'll make this as brief as possible. I have a simple VM Environment. 2 ESXi hosts both running 5.5. I also have...
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