Multiple Drives: 1 Large Array vs 2 Smaller Arrays
Hey,General question as I am in the process of rolling out a storage solution that will support a lightweight ESXi environment.If I have 8 physical drives (all identical capacity and speed), would I...
View ArticleUnable to add datastore!
I am building a lab for my VMware study. I have a server with two partitions. I installed VMware Player 12 and vSphere Client. I installed VMware ESXi 6 with 40GB datastore as default. Now I need to...
View ArticleCisco UCS - Allowing a VM to access the direct attached FC SAN Lun's used by...
Evening, In Veeam, you can backup directly from a VMFS volume so long as you allow the Veeam Backup Server direct access to either iSCSI or FC LUN, it doesn't need to be mounted by the windows server,...
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LUN not accessible vsphere
We have a Synolgy SAN. It was connected to an ESXi host. After a power outage things got back into operation but the LUN did not get connected to the ESXi. We did try several things: 1. Rescan the...
View ArticleUsing Hardware VSS Provider from inside VM
Hi. Does anybody has experiences if it is possible to use a hardware vss providerfor a san storage from inside a VM for a physical RDM? What we want to do is to create a san based snapshot of a RDM...
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CID mismatch error
Buenos días,Tengo un problema con uno de mis discos virtuales SERVER-AD_1-000001.vmdk de 1.4TB de tamaño, dejo de reconocer el Vmware Esxi 6.0, los sistemas lo tenia en otros discos virtuales, al...
View Article'Keep VMDK together' keeps unticking automatically ? Why.. - Storage DRS
Hi all I keep unchecking ' Keep VMDKs together' on my main cluster, but it turns it back on again randomly and then everything space alerts when it puts them all together again Looks like it is a known...
View ArticleVMFS lock mechanism
Hello, We have a HA storage(two nodes,multiple LUNs exported to a 3 nodes ESXi cluster with 6.0.0 by iSCSI as datastores) which was detected by ESXi satp as VMW_SATP_DEFAULT_AA, but actually it's not...
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VMFS5 local data store input/output error
Hi, I have 3 local hard-disk on my IBM server. 1st drive of 250 GB I have used to create Linux Data Store (datastore1) and from other 2 drives I have created Windows Data Store (datastore2) Couple of...
View Articledoes storage gets formatted after datastore deletion?
Hi,we are now looking into security issues after deleting datastore, if information is still left intact or is everything deleted? After datastore deletion does all bits gets converted to 0s or is it...
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Best Practices for NFS Datastore
I'm trying to get some advice on how to best set up an NFS server to use with ESXi as a datastore. I took a stab at it with CentOS 7, but the performance is abysmal. I'm hoping someone can point out...
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Thin provisioned disk moved to other datastore becomes thick provisioned?
I had to move a couple of VM's from one datastore to another because of a disk swap. After copying them back I noticed it took forever. What happened? The VM's had thin provisioned disks, and after...
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Using Windows Storage Server 2012 as iSCSI Target in Production Environment
My searches in this forum haven't yielded discussions on this. Please forgive me if I missed previous posts.Would you use a Windows Server 2012 R2 as your (only) iSCSI target / shared storage for your...
View ArticleHow can I shrink a thin provisioned vmdk file?
Hi, I want to shrink a thin provisioned vmdk file, because in the affected virtual machine OS there are many GBs free, but the thin provisioned disk is nearly the same size like a thick provisioned...
View ArticleAn unmanaged I/O workload is detected on a SIOC-enabled datastore
Below mentioned Even got triggered from ESXi host .Please suggest on this An unmanaged I/O workload is detected on a SIOC-enabled datastore
View ArticleObscure behaviour of a snapshot - looking for an explanation
I am working at a recovery case that looks really really strange. When I was called everything looked like a normal case of the "my datastore suddenly lost all VMs" issue.And indeed - looking at the...
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Fresh install of ESXi on VCenter managed host with existing VMFS datastore...
I want to do a fresh install of ESXi on a host which is already part of a an existing cluster in VSphere. This host is connected to a VNXe 3XXX via iSCSI/Unisphere & has access to several...
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New SSD Not Showing in vCenter or ESXi
Hello All, I'm fairly new to VMWare/ESXi. I just added (1) SSD to each of my three hosts, but it is not showing anywhere in vCenter. I rescanned all three hosts to discover new storage/vmfs volume...
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VAAI UNMAP - reclaim-unit for a netapp storage
Hi, I am using "esxcli storage vmfs unmap" command to reclaim the deleted blocks from datastore. There is a parameter -l reclaim-unit to be mentioned in this command if we don't want to use the default...
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Esxi 5.5 not showing RAID 5
Dear all, I installed a custom Esxi 5.5 on a HP DL 360 G9 (custom because I have the p440ar RAID comtroller). After instalation I install the HPSSACLI without problems, now I need see the RAID...
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