2 esx hosts accessing 1 LUN
I recently set up a freebsd ZFS SAN. Using istgt i have set up my iscsi target. istgt version 0.5 (20121028)normal modeusing kqueueusing host atomicLU1 HDD UNITLU1: LUN0 file=/dev/zvol/zroot/iscsi,...
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Re: vSphere 5 storage certification error - Couldn't get the product type
I ended up removing vm's from both my esx servers inventory, put both servers in maintenance mode and removed them from the vcenter cluster. I shutdown workbench, then added my esx servers back to the...
View ArticleRe: 2 esx hosts accessing 1 LUN
There is no problem if two vSphere hosts access the same LUN, since VMFS is a clustered file system and implements functions to prevent data corruption. The reason why the second host don't sees the...
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Re: 2 esx hosts accessing 1 LUN
There seemed to be an issue in my vmkernel port bindings. Once I removed the ports. My esx hosts were able to see the LUN. I was then able to re-add the ports. But I'm not sure if we actually need...
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Re: Active/Active(I/O). How in can put all storage adapters paths to active ?
my storage is a EMC VNX-5300 and my San Switch is a Vsphereon 4500 BellowThanksAlmir
View ArticleRe: Active/Active(I/O). How in can put all storage adapters paths to active ?
If you're using vSphere 5.1/5.5 this should already be configured with Round Robin based on KB: VMware KB: Load balancing using Round Robin multipathing policy on EMC VNX arrays But if this is not...
View ArticleRe: Active/Active(I/O). How in can put all storage adapters paths to active ?
my Vsphere is 4.1 .. im can do it in 4.1 ?
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Re: Active/Active(I/O). How in can put all storage adapters paths to active ?
Based on VMware HCL not, take a look:
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Re: DataCore thin provisioning and vSphere Thin provisioning, is there an issue
Hey juchestyle, we have an issue with thin on thin provisioning. In our environment we use a HP 3PAR 7400 and VMware vSphere ESXi 5.5.Let me describe the issue in 4 simple steps: 1. Take a vm (thin...
View ArticleRe: Storage Path Automatically Reverts Back - RR to Fixed
Hi I have the opposite case, moving from Fixed to RR. I suspected the reason is the one you pointed. I have EMC Symmetrix VMAX and the default policy as stated on the compatibility guide is Round Robin...
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Re: Difference Between Provision and Used Space
I am at a loss. I specifically gave each VM enough space to run the OS and application in our test environment - and now we find that we are running out of space because almost all of the VMs have...
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Re: Difference Between Provision and Used Space
Additional Information - I removed all the SNAPSHOTS (2 of them) from this VM as well, and now with the VM shut down, the HDD size option is no longer greyed out...but it will not allow me to change...
View ArticleRe: Virtual SAN and vSphere Essentials Plus?
and it appears VSA was discontinued as of April 1, 2014, anywayVMware vSphere Storage Appliance (VSA) for Shared Storage | United States
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What emulex driver to use? HCL? Vendor?
I am confused I am setting up new esx hosts with update2 5.5. The emulex driver that was listed in the HCL compatbiology page was included in the rollup ISO. However I attached critical and non...
View ArticleVsphere 5.5, EVA8400(HSV450), Microsoft Cluster 2008 R2...
HelloI am looking for some expert advise about HP EVA storage on VMware, I have configuration like belowESXi 5.5.VMFS 3.4 versionMicrosoft Cluster service with 2008 R2and Storage i EVA8400The problem...
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Thick vs Thin 3PAR 7450c and vSphere 5.1 Build 2323236
Hello, I know this is tricky talk about thin and thick storage within vSphere. Through my research I have done. The 3PAR storage creates its volumes as Thin to manage space. Which makes sense. So, now...
View ArticleRDM performance testing
Dear all, I would like to ask help with this issue.We have environment with, among others, two ESX 5.5 hosts hosting MS SQL cluster (Microsoft Windows server 2012).Cluster uses RDMs as shared disks....
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VAAI Unmap delete status: unsupported question on NetApp FAS Array
Hi All Quick run up of our environment: VMware V5.0.0 Update 3 Build 1918656 with vCenter 5.0.0 U3. NetApp FAS8020 running Data ONTAP 8.2.1 7-Mode using Thin Provisioning Flex VolumesUsing VSC 4.2.2...
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Average latency "Top 10" graph in Web Client off by factor of 100?
While involved in some storage latency analysis on vCenter 6.0 / ESXi 6.0 recently, and I noticed that the "Realtime - Average Read Latency - (Top 10)" graph in the Web Client (Figure #1 below) seems...
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Re: VAAI Unmap delete status: unsupported question on NetApp FAS Array
I have found this article which relates to what I am seeing: VMware KB: Thin Provisioning Block Space Reclamation (VAAI UNMAP) does not work When I check the VMware compatibility matrix it is showing...
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