Sunday, August 26, 2012. Wikis apply the wisdom of crowds to generating information for users interested in a particular subject. esxcli storage core device list --> check if you can find the LUN ID (typically a naa. The host is reachable via SSH, but is marked red(not responding) in vsphere. To upload to VMware, please check How to generate VMware ESXi logs and how to Upload via the FTP portal using a third party FTP client for a VMware Support Case. id's corresponding vml. 5 Having consistent LUN IDs for volumes in ESXi has historically been a gotcha-though over time this requirement went away. id is the naa ID used in step 3. It has been over two years since I blogged about APD handling bug which I discovered, during partial storage outage in my environment. According to the VMWare documentation, when removing LUN from vSphere you should check the following points:. If the LUN is an RDM, we can see on which VM RDM is mapped. If you are using VMware Cloud on AWS the PowerCLI for VMware Cloud on AWS fling will give you an preview on what to expect from PowerCLI to automate VMC. id The configuration is permanently stored with the ESXi host and persists across restarts. Next, Click on VM 001 again go to actions and select Edit Settings. Queue depth is the number of commands that the HBA can send / receive in a single chunk - per LUN. Each LUN represents an individual storage volume. You can remove access to a LUN by masking all of its paths to the ESXi host. 0: # esxcli storage core claiming. VMware KB: 1016106 ESXi 5. Target cluster is a vSan cluster with distributed Portgroups. Here are the steps to view the LUN ID. To increase the width of the device field in esxtop to show the complete naa id: 1. If you then need to match the SCSI virtual disk to the Guest OS this is a great article on how to do so. Author codyhosterman Posted on June 9, 2014 Categories FlashArray, PowerShell, Pure Storage, Scripting, VMware Tags PowerCLI, PowerShell, pure storage, Scripting, VMware 2 thoughts on “PowerShell and the Pure Storage FlashArray CLI”. This Blog is intended for sharing of VMware Concepts, Troubleshooting & Design at this point. Choose RADIUS tab and configure your NAA server IP as Radius server. The RDM contains metadata for managing and redirecting disk access to the physical device. In this particular environment, there are 30 separate virtual environments, each with their own SAN, and each with their own set of Microsoft clusters. Now, while still under the Storage node, switch your view to Devices, right-click the NAA ID of the device and click on Detach. In my experience this number is misunderstood by many systems admins without a storage background. Now you can identify your RDM mapped drive on your ESX Host. Now you can try to find out which LUN is missing on which node the hard way through the vSphere client. Click a disk, and look at SCSI (X:Y) Hard Disk under Virtual Device Node. Before begin want to give all credit to Blogger, VMware and Partner for their great write-up and sharing to enhance other knowledge also. How can I match up what I see on the RHEL server with what I see in the VM properties in the VIC for this server? How to map SCSI ID/WWID in Linux to disk UUID in VMware. to Device ID This is a short how-to on converting the device wwn (naa. Started from Windows Server 2012, "Storage Explorer" was removed. How to identify NetApp iSCSI LUN serial number in a ESXi host. Setting Perennial Reservations for MSCS with EMC CX/VNX Arrays A few months ago I was putting together a technical solution to support a vSphere upgrade (physical hosts and vSphere version) and a SAN upgrade, As part of the upgrade, the customer wanted to virtualize their file services as well. id To find the unique identifier of the LUN, you may run this com…. This is the VMware default implementation of the Pluggable Storage Architecture. xxxxxx I found this forumpost in which it’s explaned that the LUN serial number is shown in hexadecimal within the naa. Thank you Cliff, Steve and Luc for helping me out with this task. It even passed the vCenter check for it being in use. VMware Tagged. Right-click the NAA ID of the LUN (as noted above) and click Detach. The format has 3 sections, using the EMC example we can illustrate this. You can also check vSphere 6 page where you'll find how-to's, news, videos concerning vSphere 6. 0: # esxcli storage core claiming. To check Balance and Validity of other Airtel DTH account, SMS BAL to 54325 from any mobile number. so that we will plan to moving the VMs to new Netapp datastore. X shows the naa ID of the storage device, y & z latency values in micro seconds. The second command to run is esxcli storage core device list, which will list all of the LUNs attached and/or masked to the host(s). If you select a virtual disk, the SCSI or IDE Controller and ID is displayed under Virtual Device Node. All VMs in the CSP were deployed using VMware Virtual SAN storage. 3PAR VMware ESX 3. Queue depth is the number of commands that the HBA can send / receive in a single chunk - per LUN. Esxi 6 Cannot Change The Host Configuration When deleting the partitions won't solve your problem, simply add a partition table. After some Googling I would appear that something was already running on port 80. The following command will list all the NAA IDs seen by the ESXi: The following command will list all the NAA IDs seen by the ESXi:. Attempting to remediate will not resolve the problem. Press u to switch to the disk device display. Link added to top navigation bar outlining best practices to search efficiently in VMware's Knowledge Base Email Subscription to Knowledge content. In my experience this number is misunderstood by many systems admins without a storage background. Sound off in the comments section below. Replacement disk – VMware ESXi. 5 experiences a Purple Screen Of Death (PSOD), it hopefully creates a diagsnostic coredump. Run systemctl list-unit-files | grep vmware to see if there are masked services. This blog is my personal guide/reference to VMware, Windows and related technologies. Because VMware does not support third-party MPPs with MSCS, you must exclude the LUNs from being managed by PowerPath/VE. Both are connected to a RAID 5 array via iSCSI. Right-click VM and click the Snapshot --> Snapshot Manager Delete All button. When the servers were first deployed in production. Get the NAA ID of impacted LUN using any of esxcli command or vCenter GUI. The second command to run is esxcli storage core device list, which will list all of the LUNs attached and/or masked to the host(s). How to Remove Storage Devices from ESXi Hosts How to Remove Storage Devices from ESXi Hosts. 5, EMC support may need to engage VMware. Before I begin, this isn't really a feature of VSAN so to speak. Y = Disk ID. My answer was that I thought it should be possible until Stephen Jesse pointed me to the the vmware. Determine Disk VPD Information from ESX Classic. Subscribe to individual KB articles, product or category groups to. naa numbers, it ONLY shows iSCSI target names. Just check LUN is showing up on the ESX hosts, pay attention to the LUN ID and the naa (Network Addressing Authority) number to make sure you get the same one back from the SAN when you roll back the snapshot. This is a list of syntax examples for using uemcli on a Unity array. Here is an. Review the paths that connect to storage devices backing your datastores. Again, Press F (Field Order) to modify fields which you want to display. To check the same information on the VMware vSphere 5. matching the VMware maximum size of 512k) will result in a much higher number of RADOS objects per RBD. In the foreach loop, every single LUN on the ESXi host has the path selection policy selected as RoundRobin and starting with naa. If your ESXi Host 5. Please ensure to also go thru the post “ understanding-vm-storage-policies ” to get a hold of storage policy base management and different rule-sets. MaxLUN parameter on your ESXi Hosts to 255 for or below as this KB article outlines. With VOMA you can check VMFS3 and VMFS5 datastores. *Note: This is a repost due to moving my posts from SystemsGame. We access our VMs on a NAS via iSCSI. to Device ID. Here is how to check if a datastore has been presented to a NetBackup Appliance or a Linux VM backup host : Find a VMware ESXi host connected to the datastore in question. I decided to remove the partitions manually and. Get-Datastore Synopsis This cmdlet retrieves the datastores available on a vCenter Server system. Note: Depending on your disk controller type, naa. Click Ok to proceed. But the same LUNs in ESXi can have the same LUN id, but you can have LUNs with the same LUN id from different systems. employee where he specialised in Datacenter and Cloud Infrastructure products as well as Infrastructure, Operations and IT Business Management products. This blog article is about how to find a particular driver and firmware of an I/O device like a HBA, Network card etc. Notes and thougts after 'Storage Implementation in vSphere 5. Since VMware limits the iSCSI I/O to a maximum of 512k, images to be used against VMware should be created with an object size of 1MB instead. COSBench now supports OpenStack* Swift, Amazon* S3, Amplidata v2. Symptom: Exchange 2010-2016 Database Availability Group (DAG) active database moves between DAG nodes without any reason, when the DAG nodes are VMware Virtual Machines. #View Datastore Contents vmkfstools -Ph -v 1 /vmfs/volumes/DATASTORE NAME/. • This overview of new technology represents no commitment from VMware to deliver these Health Check vRealize Ops ESXCLI RVC Take a disk naa ID that is not. xxxxx to change the LSI vendor ID to NetApp. The install had been done to a 500 RAID 1 array, but the default datastore had been created an a 2000 GB RAID 5 array. iscsi_vmk 0 esxcli hardware cpu cpuid raw In previous versions only a subset of CPUID fields was available. It is probably the most useful utility to troubleshoot performance issues on an ESXi host. When I constructed naa for lun from it's serial number, I checked the result with naa that I got through VMware vSphere CLI. ESXi APD&PDL – Part 1 Diagnosing lost iSCSI LUN Posted on 27/06/2013 · Posted in VMware This is Part1 of iSCSI All Paths Down (APD) and Permanent Device Loss (PDL) situations which can cause quite a big havoc in a VMware virtualization environment. Monitor Storage Paths with vCenter. Give it a Network label, I recommend the name it used to have, in my case vMotion, also the VLAN ID, if configured. When the servers were first deployed in production. 5 Update 2 and Later NOTICE: The information in this document, including products and software versions, is current as of the Release Date. id --perennially-reserved=true #SER2965BU CONFIDENTIAL 12 VMworld 2017 Content: Not for publication or distribution. Contact the SRA vendor's documentation for more information. Identify device to be tagged: esxcli storage nmp device list (note the SATP of the device). 2001823, This article provides a method for obtaining and displaying a list of registered virtual machines that have attached Raw Device Mappings (RDMs) using vSphere PowerCLI. Hence, not too many people would want to let it be accessed right from Lock screen due to privacy concern. If hardware acceleration is set to None on a Windows virtual machine, even if you configure it with the Check and upgrade Tools before each power-on option, VMware Tools is not upgraded immediately after you restart the virtual machine. Note: In a system with 10 RDMs used in an MSCS cluster with two nodes, a restart of the ESXi/ESX host with the secondary node takes approximately 30 minutes. so that we will plan to moving the VMs to new Netapp datastore. Identifying ESXi boot method & boot device 01/09/2018 by William Lam 8 Comments There was an interesting discussion on our internal Socialcast platform last week on figuring out how an ESXi host is booted up whether it is from local device like a disk or USB device, Auto Deploy or even boot from SAN along with its respective boot device?. You can check the current settings for a LUN, and get the NAA's to use with the above commands, using the "esxcli storage nmp device list" command. Does anyone know how to determine a WWN from inside Red Hat Linux while in a VM?. From the above output you can see the NAA ID of my OpenIndiana LUN presented over iSCSI. I was recently looking up for topics to write on and I found an interesting bit of information related to LUN masking VMware ESXi host. Unmounting a LUN checklist. Identify device to be tagged: esxcli storage nmp device list (note the SATP of the device). 7 hypervisor, the fiberchannel network interface card (fnic) driver was replaced with the nfnic driver for all Cisco adapters. x), Docker as well as on storage like EMC VNX/VMAX and HPE 3PAR. This post is also available in: Italian There are different reason where you can you loose or corrupt your partition table of your VMFS volumes: resignature from another system (for example the backup server, if connected in SAN mode), a human mistake (datastore / delete), or maybe some storage issues. id ) for all the rdm disk and this identifier varies for different storage vendor. For more information on this command and identifying disks or LUNs, see KB 1014953. The volume label appears in listings generated for the ls -l command and as a symbolic link to the VMFS volume under the /vmfs/volumes directory. #, if it’s thin provisioned and if it’s an RDM into the scritp above? I will keep working and hopefully answer this before you read this. id is the naa ID used in step 3. CD to the directory where inq is downloaded. It is majorily owned by EMC Corporation. id's corresponding vml. So I started thinking about a way to keep track of my fixes – well why not put them in a blog so they can help other people as well. Check the list of running VMs and display their World IDs: esxcli vm process list. Mapping Windows Drives to RDMs in VMware ESX/ESXi. The content ID of the parent virtual disk does not match the corresponding parent content ID in the child. 3PAR VMware ESX 3. Display the paths using “esxcfg-mpath -m” and look for the volume – if we know the LUN we can do a grep (e. As part of our on-going VMware series of articles, we earlier discussed about how to install VMware ESXi server, and how to install vSphere Client. Although it's just one command, it packs a lot of functionalities with different namespaces/sub-namespaces, and sub-commands. Out-of-band network, 192. VSAN will not display the physical drive bay number of the drive however you may use ssacli tool that is a part of HPE custom ESXi image. When too many concurrent I/Os are sent to a storage device, the device responds with an I/O failure message of queue full (qfull). You'll need the naa. Our customer service agents are on hand to offer help if you need. Temporarily removing the recently added hosts to the new vCenter server, ticking the cluster-wide, deduplication and compression checkbox in vCenter, then re-adding. We have explained the detailed 11 differences between RDM physical vs virtual Compatibility Mode. xxxx, we are setting the IOPS limit to 1 using the Set-ScsiLun cmdlet with the parameter CommandsToSwitchPath. • Validate the esx. because you used the PowerCLI desktop shortcut to start your Powershell session). Double check the Jumbo Frames connectivity with the vmkping command combined with -d and -s switches. So I started thinking about a way to keep track of my fixes – well why not put them in a blog so they can help other people as well. When creating a NAS protocol endpoint server, you can choose which IP address the NAS PE will use from the list of IP interfaces already created for the NAS server. Check if the vHBA has the right LUN ID to boot from SAN. In order to check the status, log in to the ESX Server and run the command: service mgmt-vmware status If the service is running, it will return: vmware-hostd (pid ) is running You may also start, stop or restart the service with the service command. Hello Everyone!!!! It's been a long time since I made my last post, I've been quite busy with my work and other activities but now I'm back. Y = Disk ID. XXXXX string. Suddenly, VMware came from nowhere and snapped up AOG. Unfortunately, this isn't a small environment and the datastores…. 3) I ran ps | grep DC05 to check if processes were still running for. Link added to top navigation bar outlining best practices to search efficiently in VMware's Knowledge Base Email Subscription to Knowledge content Subscribe to individual KB articles, product or category groups to receive email notifications when new or updated content is available. Now, while still under the Storage node, switch your view to Devices, right-click the NAA ID of the device and click on Detach. Run the vdq -q command on the ESXi hosts and check if the naa. The fixes in 6. 5 HPE blade cluster via FC and each datastore is presented too all hosts. 0 Template for SSL Certificate. id) corresponding vmd. Since ESXi 5. Dell EMC Ready Solution for VMware NFV Platform Software Deployment and Configuration Guide for VMware NFV Reference Architecture v2. # esxcli storage core device set --state=on -d NAA_ID; If the device is to be permanently decommissioned from an ESXi host, (that is, the LUN has been or will be destroyed), remove the NAA entries from the host configuration by running these commands: To list the permanently detached devices:. While deploying vSAN clusters on HPE servers, I came across a problem. Recovering data from damaged VMFS partitions August 1, 2016 August 7, 2016 / virtualhobbit Recently I got myself into position where I lost a VMFS partition containing some vital lab VMs. To determine which LUN maps to which device: "Computer management --> Storage --> Disk Management". It is probably the most useful utility to troubleshoot performance issues on an ESXi host. On physical machines I can just run "scsi_id -g -s /block/sd*" to find out the WWN for an specific SAN disk. Have VMWare unclaim it, change C/T/L to match YOUR config: esxcli storage core claiming unclaim -t location -A vmhba1 -C 0 -T 0 -L 0 Rescan: esxcfg-rescan vmhba1 Check and you should have ~ # esxcli storage nmp device list naa. Source: Pure1 Community via Barkz : Getting LUN ID from the Windows Disk ID and Back Again. When you want to use a master for a different domain using a different KMS server, you should be aware of that KMS client is caching its server. Out of the box I always felt there was more performance to be had. 1 it is possible to check VMFS for metadata inconsistency with a tool called VOMA (VMware Ondisk Metadata Analyser). I was recently looking up for topics to write on and I found an interesting bit of information related to LUN masking VMware ESXi host. I had a need to get the LUN id of all of the Raw Disk Mappings for a particular virtual machine running on VMware vSphere. Use the esxcli command to mark the device as perennially reserved: esxcli storage core device setconfig -d naa. Today I needed to find the LUN ID of a NetApp iSCSI LUN. x and ESXi 5. While playing with multiple vSAN disks you may came into a a problem how identify a disk with software errors based on ESXi NAA ID. So my question is now what would be the easiest way to add the datastore, vmdk path, naa…. 5 Update 2 and Later NOTICE: The information in this document, including products and software versions, is current as of the Release Date. id) corresponding vmd. But which datastore is on this partition? We can use PowerCLI to find the datastore involved. Using vCenter and VMware vSphere Client This method can be used if your ESXi host is managed by vCenter Server. id -perennially-reserved=true command. dataontap001> lun show -v. Setting logfile location, swap file, SNMP and vmkcore partition in ESXi 26 July, 2010 Gabrie van Zanten With the release of VMware vSphere 4. This is a list of syntax examples for using uemcli on a Unity array. If you select a virtual disk, the SCSI or IDE Controller and ID is displayed under Virtual Device Node. A list of ESXCLI storage commands you can't live without by Cormac Posted on February 25, 2014 February 25, 2014 There are many occasions where the information displayed in the vSphere client is not sufficient to display all relevant information about a particular storage device, or indeed to troubleshoot problems related to a storage device. ' number IS its WWN, it's just another name. The next would be to click on Manage Paths and note down the naa #,. Determining Network/Storage firmware and driver version in ESXi/ESX 4. id To get a list of RDM…. For more information on this command and identifying disks or LUNs, see KB 1014953. id is the naa ID used in step 3. Note the KB article confirms the change in max LUNs to 1024 in vSphere 6. ESXi Server is not showing all the available disk space. Once its identified just delete them from explorer. We are in the process of migrating from an EMC VNX to a new EMC Unity SAN. Which three requirements must be met for this feature to be available and functional?. How to Check Your Grades Online STEP 1: Go to the MyWCC Portal – HTTPS://MYWCC. See Display Datastore Information in the vSphere Web Client. While deploying vSAN clusters on HPE servers, I came across a problem. Get-Datastore Synopsis This cmdlet retrieves the datastores available on a vCenter Server system. The esxcli is a command tool that is available on VMware ESXi for managing ESXi. d/ folder, go there using the cd command and list what’s inside that folder, in CentOS, you will find a lot of. For more information on this command and identifying disks or LUNs, see KB 1014953. Somehow, this didn't come as a surprise ;). Although VMware has a Knowledge Base article on how to do find RDM's and which VM's they're associated with, it looks like it will find all RDM's and VM's across the entire vCenter Server. We’re currently up to about 30 virtual machines spread across five BL460c (36GB) blades in an HP 7000 Enclosure. The NAA number can be used to determine a LUN's serial number and vice-versa. 6589) and placce them in to this command. com as a Plug-in to vSphere. SAN) based datastores. An unscheduled storage disconnect means some issue in the vSphere environment has led to All-Paths-Down (APD) for a datastore. VMware ESXi Claim Rules unleashed Figure 1: VMware Claim Rules. Nowadays, more often than not, I dont see the LUN ID in the vSphere Client. setconfig on the involved NAA id's. A LUN's 'naa. 5, EMC support may need to engage VMware. Each presented iSCSI disk has a unique LUN ID. Issue with Consistent LUN ID in ESXi 6. VCAP5 – DCA Command Line Study Notes Resources: The notes herein are compiled from my own testing as well as below references: - VMware Documentation – CLI Getting Started & CLI Concepts & Examples. com to 2ninjas1blog. To do that, get the naa. Please find the steps below to fetch the naa id with inq tool. My previous post - dated on mid-2016 - about a migration of Windows 2003 from VMware ESXi to Nutanix AHV, was mainly focused on manual migration. Reducing the object size too much (e. Look at the list of storage devices for the NAA ID that was removed. The hardest part of the procedure is to check the scsi id from within Windows and match the Windows disk to the corresponding virtual disk in the virtual machine’s hardware settings. Check the NAA ID in the vSphere UI Opened up an SSH session to my ESXi host Validate which SATP claimed the device: esxcli storage nmp device list In my case: VMW_SATP_ALUA_CX Verify it is currently not recognized as SSD by typing the following command: esxcli storage core device list -d naa. In the Unity the naa numbers (wwn) are listed in the "block" section, but not in the VMware section. In Windows Server 2008 or 2008 R2, we can use "Storage Explorer" to locate World Wide Name (WWN). By continuing to use this website, you agree to their use. When all the disks are different sizes it is easy, …. This module is community maintained without core committer oversight. Log in to the vCenter via vSphere client, right click the cluster and click “Deploy OVF Template…” of NSX-T. Run below esxcli command to get the current status of partition table. 2001823, This article provides a method for obtaining and displaying a list of registered virtual machines that have attached Raw Device Mappings (RDMs) using vSphere PowerCLI. The problem started with a few virtual machines just going south, like they had lost their mind. By using the command line tool “naviseccli” you can now check the naa-number with the LUNs presented to the ESX host where the VM resides. Step-3 : Select Correct VM which you want to add RDM. VMware products use standard X. Create vmfs datastores using the ESXi CLI After configuring iscsi and mounting the LUNs into the ESXi hosts as described here it's time to partition and create the file system on the newly added SAN disk. 500110a00122982e Device Display Name: HP Serial Attached SCSI Tape (naa. We have created the RDM LUN with different LUN ID. Introduction. VMware ESXi How to find Firmware and Driver version This blog article is about how to find a particular driver and firmware of an I/O device like a HBA, Network card etc. Let's start with a brief description about what All Paths Down (APD) actually is & how it occurs, & what impact it has on the host. Does anybody know how to remove this inactive ghost datastore?. If a VM is on local storage, you can’t VMotion it, HA won’t restart it, and a host of other limitations. This time depends on the number of RDMs that are attached to the ESXi/ESX host. The hexdump output shows that this sector is all zeros, so there is nothing written here. My current focus is with VMware vSAN ® and VxRail™ ,my overall expertise is around storage availability business unit (VMware vSAN ®, VMware Site Recovery Manager® and Vsphere Data Protection® ). The Add Device dialog appears. VMware, Inc. VMware at the time needed an analysis tool to help customers migrate to the virtual infrastructure faster. Normally this is a standard procedure and finished within minutes. This message is intended to cause the host to try the I/O again a short time later. xxxxx to change the LSI vendor ID to NetApp. The important thing is that the scsi identifier (naa. Then hit Enter to validate. Some quick things to check are HA and even VDS settings, as these features can sometimes save data onto datastores. VMware snapshots are now array based snapshots, enabling them to be kept indefinitely and restored from within seconds. I logged a case with VMware and they helped me by executing these commands in each of the affected ESXi host. This PowerCLI script can be used to check the current scratch location: Obtaining the NAA ID of the LUN to be removed. We have explained the detailed 11 differences between RDM physical vs virtual Compatibility Mode. A solution exists for this issue but intervention from EMC technical support personnel is required. ) First, we will collect naa id using the command: esxcli storage vmfs extent list. Recently I rented a new server with an LSI MegaRAID SAS 9260-4i controller and - of course - installed VMware ESXi 6. Next is VMFS Version as my all future hosts version going to be above 6. Managing Pluggable Storage Architecture – Part 2 Posted on 2016-04-18 by Herceg Andras In the first part I have posted about what is the Pluggable Storage Architecture, MNP, SATP, PSP. Find the device associated to the windows volume T:. note the output of this command returns the LUN ID of the RDM (L92) 5 Device Paths Check that no other devices are using the same parameters: # esxcfg-mpath -L | egrep "vmhba X X X" (As you apply the rule -A vmhbaX -C 0 -L 92 , this verifies that there is no other device with those parameters. Temporarily removing the recently added hosts to the new vCenter server, ticking the cluster-wide, deduplication and compression checkbox in vCenter, then re-adding. How to delete and detach iSCSI volumes manually in a ESXi Shell In this article we will look how to detach and delete iSCSI volumes manually from ESXi. Let's start with a brief description about what All Paths Down (APD) actually is & how it occurs, & what impact it has on the host. 12345lotofnumbers7890). The default object-size for RBD images is 4MB. Executed the LUN reset with the vml id. Select any cluster host in the cluster, Configuration, Storage, Devices and check that the host can see the LUN; Click on Datastores and select Add Storage…; Select Diagnostic, click Next; Select Shared SAN storage, click Next, Select the LUN from the list, make sure LUN identifier and LUN ID are correct and click Next;. VMware, Inc. Name Type Description Required? Pipeline Input Default Value; CanonicalName: String[] Specifies the canonical name of the SCSI devices you want to retrieve. Choose RADIUS tab and configure your NAA server IP as Radius server. If the LUN is an RDM, we can see on which VM RDM is mapped. In order to check if a LUN is consistently mapped on all VM hosts in cluster, one need to have a look at Lun's canonical name's (naa. Now hit “w” to write the partition table and exit fdisk. Each presented iSCSI disk has a unique LUN ID. VMware at the time needed an analysis tool to help customers migrate to the virtual infrastructure faster. Find SAN Disk Lun id. A solution exists for this issue but intervention from EMC technical support personnel is required. helper where there is the set-hveventdatabase cmdlet for this. The RDM contains metadata for managing and redirecting disk access to the physical device. Select Manage Paths, as seen in figure 16. Now double check that the LUN has been properly unmounted by checking the operational status of the device which should read unmounted. Short Book Reviews by John A. Command to view all LUNs presented to a host #esxcfg-scsidevs -c And to check about a specific LUN, #esxcfg-scsidevs -c | grep naa. To View the LUN ID of a disk, you can use the diskpart command. 0, you can also blink LEDs on disk drives without VSAN deployed. This is a unique number assigned by the SAN. When you are running multi-node vSphere clusters, you probably already had the experience that one or more of your LUNs were not visible on all nodes. The process below may still work but there are a few other things to check, as detailed here by Cormac Hogan. By using the command line tool “naviseccli” you can now check the naa-number with the LUNs presented to the ESX host where the VM resides. In my case, I’d reviewed everything and the datastore had absolutely nothing on it except for the sdd. The esxcli is a command tool that is available on VMware ESXi for managing ESXi. note the output of this command returns the LUN ID of the RDM (L92) 5 Device Paths Check that no other devices are using the same parameters: # esxcfg-mpath -L | egrep "vmhba X X X" (As you apply the rule -A vmhbaX -C 0 -L 92 , this verifies that there is no other device with those parameters. Press “e” and enter the “Device ID” in my case that is an NAA identifier so “copy. I was recently looking up for topics to write on and I found an interesting bit of information related to LUN masking VMware ESXi host. Run the command inq -winvol. WordPress security. id) and then fire this cmd, #esxcli storage core device list -d naa. deploy veeam backup with windows or linux server 9. The host is reachable via SSH, but is marked red(not responding) in vsphere. In order to check if a LUN is consistently mapped on all VM hosts in cluster, one need to have a look at Lun's canonical name's (naa. 5000144f60f4627a; esxcli storage core claiming reclaim -d naa. msc Right-Click on the side-bar of the disk you wich to view and select "Properties" You will see the LUN number and the target name. san IO device management operations to the SAN devices on the system. To generate the certificate we need Microsoft Certificate Authority server with the vSphere 6. log (or post them here). There is also a good KB about this with the name Deploying and using the SSL Certificate Automation Tool 5. Hello VMware Engineers I’ve been thinking about a way to keep track of all of my ESX notes – I have three books full of notes and completed task sitting on my desk and to be honest I can’t find anything. For physical RDM, you should be able to get the NAA ID by inspecting the vmdk pointer: vmkfstool -q your_RDM_pointer. Please remember that each of these settings are a per-host setting, so while a volume might be configured properly on one host, it may not be correct on another. which i can check on netapp filer.