Best Practise for virtual File Server?
Hi, at the Time we have 4 DL380 ESX4u1 clustered with a HP EVA 4400 Fibre Channel Storage Array. We want to migrate all our data to a new fileserver on this cluster. At the moment we count our...
View ArticleClik here to view.
Warning: Crashed iSCSI MPIO LUNs after upgrade to vSphere 6
Hi This is meant as a warning to other VMware users, before they run into the same kind of problems, that we did when upgrading to vSphere 6. We have been running a setup like you see on the picture...
View ArticleVCP-DCV Exam Discount voucher
HiAfter VMware closed my class, most of my students have received 70% discount voucher but not all.What to do now?
View ArticleClik here to view.
Lost volume access, confused about APD response
So several days ago I had a major San failure and lost half the volumes access wise. So my Esx hosts lost about 40 of their 80 volumes for several hours. These hosts also are connected to another San...
View ArticleClik here to view.
iSCSI target configuration and data stores in VMware 5.5U1
I am working inside of my home lab where I have setup a CentOS 6.5 box to serve as an iSCSI target. The current configuration shows:[root@localhost ~]# tgtadm --lld iscsi --op show --mode targetTarget...
View ArticleDoesn't work NPIV if vmhba Target ID is not equal to zero
My evaluation of VMware vSphere 4.1 esx server installed on HP Proliant bl460c g6 with Emulex LPe1205-HP 8Gb FC HBA. FC network consist from HP Brocade 4/12 switches and EMC Brocade 48000 directors....
View ArticleDowngrading 5.5 Enterprise Plus license to 5.5 standard and losing sDRS
We have a test VMWare 5.5 patch2 cluster with 3 hosts, and a production VMWare 5.5 cluster as well. We have the same datastores presented to both clusters. We are needing to downgrade our licensing...
View ArticleClik here to view.
Active/Active(I/O). How in can put all storage adapters paths to active ?
Dear Friends In the Configuration >> Storage Adapters im have two adapters. First Storage Adapter with Active and Second Storage Adapter with Active(I/O). How im can change Second Storage Adapter...
View ArticlevSphere 5 storage certification error - Couldn't get the product type
I've completed my test environment setup, and I'm attempting to run the vSphere 5 storage certification test suite. The "Configuration" test passes, but I'm encountering the following error during the...
View ArticleClik here to view.
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,...
View ArticleStorage Path Automatically Reverts Back - RR to Fixed
Hello all. We are currently busy with a SAN storage refresh. All is going well so far and all vms have been migrated from our old IBM XIV SAN to the newly installed Dell Compellent SAN. After having...
View ArticleClik here to view.
Difference Between Provision and Used Space
Dear Team, can some one please explain me the difference between provision and used disk space in simple words. regardsMr VMware
View ArticleVirtual SAN and vSphere Essentials Plus?
Hi all,according to the datasheet it should work with: Software• One of the following: vSphere 5.5 U1 (VMware vSphere® any edition or above), VMware vSphere® with Operations Management™ 5.5 U1 (any...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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....
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
Can't delete datastore - vsantraces locked by host that doesnt exist anymore
I'm trying to remove a datastore that has vsantraces on it. I cant delete the datastore, I just get the "file system is busy. Correct the problem and retry the operation." error. So I go to a host and...
View Article