Hardware iSCSI MPIO in ESX 6?
Is there a trick to getting hardware MPIO working on iSCSI adapters in ESXi 6? I have x2 QLogic iSCSI adapters (vmhba33 / vmhba34) that can attach to a QNAP storage array but the LUN I present can only...
View ArticleMigration from iscsi to Fiber and 5.5 to 6
So I have a project going now, where I am trying to move from iscsi connected storage to fiber connected storage using 2 datastores. Adding 2 new hosts and removing 4 old hosts. I have 8 hosts that I...
View ArticleUnable to mount an NFS datastore from Solaris 11 host
I have a directory on a Solaris 11 server that has a bunch of ISOs in it, and I want to make those available to my vSphere servers (ESXi 5.5U3). I've been doing the same from a Solaris 10 server for...
View ArticleAll shared datastores failed on the host - warning after removing iSCSI Adapter
Hi, On my three hosts, when I removed the one shared datastore that was connected via iSCSI by unmounting the datastore then disabling the iSCSI adapter and after rebooting I get a warning of "All...
View ArticleTegile | Tintri | Compellent - Evaluating for next SAN refresh
I have quotes for all three - Tegile (HA2100,HA2300), Tintri (T650), and Compellent (SC8000). I love how easy the Tintri was to setup and how it performs automatic I/O alignment. The main thing I...
View ArticlevSphere 5.5 U1 and IBMv7000, very slow performance on SvMotion and clone (VAAI)
Hello, I recently installed vSphere 5.5 U1 enviroment with IBM Storwize v7000. Migration from IBM DS3500 storage looks very promising with arround 200-250MBps write transfer on v7000. But after...
View Articlehow to enable all connected hard disks in VMware?
how to enable all connected hard disks in VMware?
View Articlevmotion vs svmotion - Throttle via vDS Port Group
Greetings, Recently I was attempting to storage vmotion a guests disk from local storage to our SAN. It reached about 52% and we started to get a flooded with server alerts of systems timing out. The...
View ArticleMultipath probing in VMware ESXi 6.x
Basically I trying to understand how does ESXi host select a path during path state change event i.e how does ESXi gives weightage to a path based on all RTPG responses which it receives from the...
View ArticleIBM DS3400 Hardware Acceleration (VAAI)
Hi there, I have been searching whether Hardware Acceleration (VAAI) is supported on IBM DS3400, it appear to be yes (VAAI-Block HW Assisted Locking, Full Copy, Block Zero) according to VMware's...
View ArticleDatastore running out of disk space
Is anyone have an issue where there datastore is running out of space. It is chewing up about 1GB per day. I am running ESXi 5.5 I have two VM's each with 1TB thick provisioned. Is there an area that I...
View ArticleVMFSKTools usage help for white space reclaiming of netapp storage
Hi all, I hope you can help with a couple of questions below as we're wanting to reclaim some white space from our filers but I've got various bits of info from other sources so would like a bit of...
View ArticleToo Many VMDK files
Hello All, I have a server with an odd issue that i need some assistance with. This is a security camera server that keeps locking up due to a hard drive issue. We have a data drive assigned as the F...
View ArticleSAN Fabric for VMware
I on a contract now and the group I'm working for is looking at a new SAN fabric design, and there are many considerations for this proposed design that has left me with some unanswered questions that...
View ArticleDatastore VMFS and physical volumes (LUNs) loses
Hi, In our VMware infrastructure we have some clusters with 8-9 nodes, datastore created on LUNs of third part storage array connected in SAN, and a vSphere version 5.1 The questions are the following:...
View ArticleOracle Linux iscsi connection - direct connection or new hard disk?
We are configuring a new iscsi production environment with iSCSI. We've installed four Oracle Linux VM's and I would like to ask which is better option to attach Guest VMs to iSCSI SAN; 1. Direct...
View ArticleProfile-Driven Storage
If not using Storage Profiles can the Profile-Driven Storage service be disabled? The Java machine it runs in appears to take up an enormous amount of memory.
View ArticleRead/Write Storage
Suppose, I have two ESXi in vCenter (not cluster configuration) and read / write the same partition. So data can crash or not?
View ArticleHosts disconnects from vCenter when scanning for new volumes
Good day all I am busy setting up a new environment end to end. In short, New vCenter Server running VC 6.0 U1, New Dell M630 Blades running Esxi6.0 U1 with latest patches using Qlogic 57810 HBAs, New...
View ArticleWhat is the difference between Full clone vs native clone vs lazy clone
When reading VAAI NAS certification guide, I noticed that there are some test cases which perform Native full cloning or native lazy file cloning. I am really confused, what's the difference between...
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