Horrible latencies on fixed VMware data storage
Hi, I do have one of my MS-SQL servers that it is having a LUN/VMware data storage with extremely poor and high write latency values. This is the only LUN that is showing this problem. Average write...
View ArticleFile server SDRS decisions
Hi All, when creating a datastore cluster just for a single vm e.g a file server would it be best to have SDRS turned off or on to manage or balance space? I can understand why a database such as...
View ArticleRe: Incorrect "Used Storage" reported - ESX 5.5
I am also having this issue on 5.5 (not u1) latest build version of ESXi 5.5.0 build 1746018. As an example, we have a thin provisioned VM that is allocated 550GB, actual usage when looking through...
View ArticleRe: File server SDRS decisions
Hi Friend, I deal with SDRS in day to day job. I suggest you to enable SDRS on the datastore cluster as your file server may have several disks. (In future you would be adding more disk as well) I also...
View ArticleRe: File server SDRS decisions
thanks I have enabled it, I just couldn't work out why my colleagues would not have done that.
View ArticleBestpractice storage???
Question bestpractice stockage :Quel est le pourcentage d'espace à laisser libre sur un LUN?Quel est le pourcentage d'espace à laisser libre sur une Baie? Question bestpractice stocking: What is the...
View ArticleRe: Bestpractice storage???
Hi, Its depends on what purpose we are configuring as well what type of luns and disks-- Thin provision or thick provision-- Reclaim is possible or not-- Application type which are planning to run on...
View ArticleNeed to temporarly disable storage rescan to avoid APD\PDL condition
Hi Floks Is there any possibilty to disable the continous storage discovery by esxi host for temporary purpose. Briefly: Our storage team is planning to perform maintenance activity on one of the...
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
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View ArticleRe: Bestpractice storage???
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Re: Bestpractice storage???
John,Thank you for your repley, - both thin & thick : but i m planinig to add a new storage with thick provisioning.==> It is good to know for both configuration separately - is not possible -...
View ArticleRe: Bestpractice storage???
Hi, I agree with John.Most of the time I see people factor in about 30% for free space on each LUN during LUN sizing (15% for snapshot + 15% for free space).When sizing a LUN for a VMware datastore,...
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HP VSA 11.0 (2014) - Bad storage performance
2 hosts: Dell PowerEdge 720xd running vsphere 5.5 update 110 disks per host. 10k RPM 1.2 TB 2.5inchOne HP VSA per host, 2 vCPU and 8 GB memory per VSA. All the latest updates for VSA. Almost all the...
View ArticleRe: Incorrect "Used Storage" reported - ESX 5.5
any update on this by chance? I made another volume and had the same exact results.
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
Hi Friend, You can keep attached datastores into maintenance mode which is carved from the storage array that you want have maintenance. If SDRS is enabled, once you keep datastore into MM, it will...
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
thanks vicky for your advice..Can you pls explain how to keep data stores in maintenance mode..any kb is available..actually we don't use storage Drs in our environment..
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
He meant to create datastore cluste, Afterwards you can set certain datastores from cluster into maintenance mode. Enable and Disable Storage DRS
View ArticleRe: some extents missing
Hi,You are saying that when you choose add storage wizard, it will only lets you to delete them - does it means the ESX hosts recognized the LUN as if it is a new LUN? (has not been formatted to VMFS)...
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
Hi Friend, Storage DRS is introduced in vSphere 5.0. You need to have enterprise plus license to get SDRS to work. If you can satisfy above requirement, creating datastore cluster is very...
View ArticleRe: Need to temporarly disable storage rescan to avoid APD\PDL condition
some of it you can disable, rescan as the result of storage changes that is:Automatic rescan of your HBAs.... - Yellow Bricks Not sure you can disable the discovery rescans to be honest, let me dig for...
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