Re: SSD datastore performance
I suspect the RAID and the IO Cotroller is the pain.. Look at this.. http://superuser.com/questions/376502/raid-on-solid-state-drives The reson on mention the Cacheing solution as that you can save on...
View ArticleRe: SSD datastore performance
Hi, Not concerned about TRIM, the native garbage collection on the SSDs work well and I am going to live with a periodic secure erase of the array. Thanks
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Moving a VM to a different datastore
Hi,I was running out of space on one of my datastores so i descided to move one of my VMs to a different one.I have ESXi v5.1 with Essentials plus so i don't have Storage vMotion so i shut down the VM...
View ArticleRe: Moving a VM to a different datastore
sorry that the images above look so small. if you click them they are readable.Ian
View ArticleRe: Moving a VM to a different datastore
did you only move the VMDKs or the whole folder?if you go to edit options you can also see the vmx location and working location of the vm.
View ArticleHP P2000 G3 FC Direct Attach?
Hi. Does anybody know if the HP P2000 G3 FC dual controller array is supported in a direct attach scenario of two VSphere 5.1 hosts?If this works which HP HBAs are required to support it? Thanks....
View ArticleRe: HP P2000 G3 FC Direct Attach?
What I found so far from the HCL is that "FC Direct Attach"for the P2000 G3 FC is supported for the driver"qla4xxx 5.01.03.2-3vmw" with the following features: VMW_SATP_ALUA, VMW_PSP_MRU, VMW_PSP_RR I...
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Symantec LiveUpdate causes high storage I/O latency
I have a Dell T620 server that is running a RAID-10 array with VMWare ESXi 5.0 and hosting four virtual machines including one for Symantec Endpoint Protection Manager that manages ~50 endpoints. I've...
View ArticleRe: HP P2000 G3 FC Direct Attach?
The Qlogic 4000 (qla4xxx) family are iSCSI HBAs.Not sure why they would show on the HCL as being suitable for FC Direct Attach.
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Re: Moving a VM to a different datastore
Hi,I moved the VM useing the right click, migrate option rather than trying to move things manualy. The same process worked for other VMs.Looking at Edit, options tab it looks like everything is in...
View ArticleRe: iSCSI inactive datastore, iSCSI target MIA!
Update: I finally discovered what this was. After much discussion with the Storage Team, I found that the LUN in question was only presented on one controller - that had subsequently failed, hence why...
View ArticleHow many paths?
Hi All,How do I confirm that I have the correct amount of paths for iSCSI storage? For instance if I have two physical nics set up in a 1:1 ratio with the storage, using 10GB ethernet, and 4...
View ArticleRe: How many paths?
Its extremely dependent on the nature of your storage array and on how your networking is done. We'd need that information to give a reasonable guess. A bare minimum would be 4 in this configuration,...
View ArticleRe: How many paths?
Yes, the iSCSI target. I guess I'm looking for a general answer to figure it out in the future. But I'm happy to answer any other questions to make it more specific. Let's say it's an EMC VNX....
View ArticleRe: How many paths?
Are the 2 iSCSI fabric cross connected in any way (virtual port channels or anything)?
View ArticleRe: Reduce Provisioned Disk Size?
I know this thread is old, but I just wanted to share my experience. I have to admit that most of the proposed solutions are either very complicated or for the technical savvy, or prove to be...
View ArticleTroubleshooting ESXI5
Hi Need to know the best practise for placing a VM on the storage . Also need to know about the Limits of IOPS and maximum that it can be and also categorising the different storage types with its...
View ArticleRe: Troubleshooting ESXI5
Refer the Chapter 4 "Troubleshoot Storage" in vSphere Troubleshooting Guide for the steps....
View ArticleRe: Troubleshooting ESXI5
by default there is no Storage IO limit. However you can limit it by using storage IO control. More details are available in following link. Refer Chapter 7....
View ArticleRe: Troubleshooting ESXI5
Refer the section "ESXi Storage Considerations" in http://www.vmware.com/pdf/Perf_Best_Practices_vSphere5.0.pdf for best practieces.
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