Re: Server 2012 Storage Question (I'm thoroghly confused)
Both makes sense.Just a few thoughts from my recovery biased point of view.For a 5TB vmdk you need a datastore that is even larger than those 5 TB. I often see cases where a datastore needs to be...
View ArticleRe: Got myself into problems with Extents
Thanks! Ok here it comes..We don't actually have space anywhere else to put the servers/data even temporarily, which is a few TB. ~ # partedUtil get "/vmfs/devices/disks/mpx.vmhba32:C0:T0:L0" 488 255...
View ArticleCannot unmount datastore in vSphere Web Client
I have a data store that was removed using the vSphere Client. Although for some reason it is still showing in the vSphere Web Client. I can rename the datastore but I cannot unmount it - not a...
View ArticleRe: vMotion => Shared storage corruption. Wrong setup?
I had three traditional FCI clusters running in VMs experiencing the same operating system 170/transaction log error and it's related to the way you have your SCSI bus sharing/shared disks configured....
View ArticleRe: 3PAR Management Plug In for vSphere
Hello Mate, i'm facing similar issue but this time with vCenter 6 and RMV 2.6.1, also getting page can't be displayed from vshpere client and the plugin is not displayed at all in the Web client. all...
View ArticleRe: Horrible iSCSI performance - ESXi 5.5 + Storwize V7000
Hi, i´d like to point you to a thread i answered to recently. You have tried so much - but you haven´t tried something which is actually very easy to try - you just have to touch your esxi ;-). So - to...
View ArticleRe: Can we perform VAAI unmap command on a running VM datastore ?
Of course you can - the HOW depends on the ESXi version. Please read: VMware KB: Using esxcli in vSphere 5.5 and 6.0 to reclaim VMFS deleted blocks on thin-provisioned LUNsVMware KB: Using vmkfstools...
View ArticleRe: Got myself into problems with Extents
Please follow Ulli´s suggestion: Evacuate all VMs to a secondary NFS or whatever - then recreate your VMFS clean. This is by far the most secure way. Best,Joerg
View ArticleRe: Slow iscsi performance: where do I start debugging ?
From my point of view your performance does not look that bad. So i don´t think you have a real problem there (you might check your switches diags to get this intel regarding let´s say jabber, delayed...
View ArticleRe: How to query and delete remnant vvol?
Hi, please understand VVOL logical metadata (For example to answer the question: "Where are my VMs on the SAN??") is NOT stored on your san array - it is stored on the VP and the vCenter. Thus, it is...
View ArticleRe: Got myself into problems with Extents
Right scrap that I think you're right - it's going to be too technical to risk our main datastore dying.So we're going to get a Synology NAS along with some Red drives and use that temporarily. Going...
View ArticleRe: Server 2012 Storage Question (I'm thoroghly confused)
Thank you Continuum! I really appreciate your well thought-out response!
View ArticleThrottling storage vMotion
Hi all, I thought I'd start a discussion about how people reined in svMotions in terms of IOps. I have seen big numbers when running only a couple of concurrent migrations on a backend array that...
View ArticleRe: Cannot unmount datastore in vSphere Web Client
Hi there,What steps did you follow to remove the datastore? What version of ESXi are you running?
View ArticleRe: Throttling storage vMotion
there are two good articles: http://frankdenneman.nl/2012/06/28/limiting-the-number-of-storage-vmotions/ Limiting the number of concurrent vMotions - frankdenneman.nl
View ArticleWhat is the Procedure to Reboot a iSCSI target on a NAS
Hi, all I am new to VSPhere/iSCSI I have a setup with two datastores, a local datastore with the VMs and a second 'backup' datastore to which I backup the VMsThe second datastore is via iSCSI to a NAS....
View ArticleRe: Cannot increase datastore size in vSphere
Thanks for your post, jlong. I had similar problem and before I got to kinda long and painfull CLI solution I found this post which smoothly solved my problem with impossibility to increase local...
View ArticleHost Cache Configuration and Virtual Flash
Hi Community, I'm trying to understand the difference between host cache configuration and virtual flash, and also what benefits do either of them have. I tried reading through to docs, but still don't...
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