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VNX SAN CPU hike between 4.15 AM - 4.45 AM

Hi All, ESXi Host version - VMware ESXi 5.1.0 build-1612806 We use EMC VNX FC SAN for our prod. cluster and we observer SAN CPU hike goes up to 75% during  4.15 AM - 4.45 AM ONLY. We are more concern...

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RAID System

May I know the maximum number of disks that RAID 0,1,2,3,4,5,6 systems use? Thanks,M

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Reclaim of deallocated blocks at the VMDK level

I posted a question about this over at Duncan Eppings blog but of course he cannot comment on futures. So let me see if I can rustle up some useful dialog here instead. In a nutshell, the problem is as...

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Is local storage a viable option with VMware?

At this point, I have concluded the following: 1) Good shared storage is very expensive compared to good local storage. 2) Good shared storage is much more prone to complex failures than local storage....

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SCSI and ISCSI

HiWhat is deference between SCSI and iSCSI in detail please?

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Problem Removing Datastores in 5.5

I am having trouble removing some old datastores. They have been unmounted and detached, and show as (inactive) in vSphere. When I try to delete them, I get an error: Operation failed, diagnostics...

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Need help with these virtual machine questions??

HI GUYS I NEED HELP WITH THIS MATCH THE FOLLOWINGCAN ANY! POST THE RITE ANSWERS??? THANKS

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Need to Migrate SQL Cluster to VMware

Due to the Microsoft Licensing changes on how they license sql server (2008 and on), I need to migrate a physical SQL cluster to VMware.  Currently my SQL cluster is connected to a EMC VNX5300.  I...

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Cannot use local SSD to create vFlash Cache. The disk appears to have an...

~ # esxcli storage vflash device listName Size Is Local Is Used in vflash Eligibility------------------------------------ ------ -------- ----------------- ----------------------naa.xxxxxxxxxxx 190208...

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VAAI PROBLEM

Hi, I have Dell Compellent Storage in my environment with storage center OS 6.3.10. I would like to know that how VAAI will work. As i understand through Video and VMware VAAI guide it will improve...

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Adding New HD via LUN The space is not correct

Interesting dilemma ESXi 5.5 with current updates, RHWS 6.5 With  1 – 100GB vmdk, 1 32TB RDM and 3 -  8TB LUNS.  Equals 56TB +/- Plenty of space on the EVA –  56TB +/- , LUNS are Thick provisioned and...

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Sql server with ParaVirtual controller

We are currently running sql 2008 on server 2008 using iscsi initiator connected disks for our database and log file drives. This works fine for us but we are implementing Zerto replication and have to...

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iSCSI treating new target LUNs as additional paths for existing target LUNs

Hi, I have an ESXi 5.5.0 (build 1331820) host that I'm trying to roll out some new iSCSI LUNs to, but I'm having trouble with it that I'm hoping someone can help me resolve. The iSCSI back-end server...

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Script to select path to ISCSI target based on target name

Hello. I would like to set the best path for the ISCSI datastores based on the path name. We have an active-active SAN setup, with one 10gig path to each SAN, with 1gig backup (4 paths total, 2 x 10gig...

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vSphere API storage recommendation

Hi, I need to clone VM with each virtual disk going to a different datastore cluster. I have no problems cloning VM to just one datastore cluster using StorageResourceMgr.RecommendDatastores() and...

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VSA 5.5 Sync Performance

I'm using VSA in a 2 node cluster. I have found that if we take down one of the hosts for maintenance, the VMs running become essentially unusable when the host is brought back online and starts...

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LSI SMI-S causing high latency?

I've also posted this on my blog, VirtualLifestyle.nl.I've been having a lot of latency issues lately with two Dell PowerEdge R310s. These 1U boxes have a low end controller, an PERC H200. I've been...

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Can't delete or unmount datastore

Getting this error when trying to remove datastores. " Cannot read the host cache configuration because some other process is modifying it at this time." We aren't using  an ssd for caching, and I've...

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Where i can get vSphere storage APIs -> VDP Advanced : vSphere Data...

Hi Team, I am in search of v Sphere Data Protection Advanced aka VDP Advanced java APIs or SDK, but could not able to find out. can anyone help me on this? Does VDP Advanced [5.5.6] APIs or SDK support...

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VMFS Datastores showing inactive for some of ESXi hosts(ESXi 5.5.0...

The datastore status is Mounted for some ESXi hosts but for other ESXi hosts the status is Mounted (but greyed out). I took putty session and found that partition table is fine and on executing"~ #...

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