vSAN provides feature to encrypt the data at rest. Below are pre-requisites to enable vSAN encryption – You will need a Key Management Server (KMS) vCenter should establish a trusted connection with the KMS server and vice versa User should have privileges on vCenter :Host.Inventory.EditClusterCryptographer.ManageEncryptionPolicyCryptographer.ManageKMSCryptographer.ManageKeys To enable encryption, Go to cluster -> Configure tab -> […]
Author: Ashish Singh
vSAN TRIM/UNMAP
Automated UNMAP/TRIM feature is available in VSAN 6.7U1 onwards. However it is disabled by default, and has to be enabled. This feature is supported only on VMs with Hardware version 11 or later (Windows) and Hardware version 13 (Linux VMs). Virtual Machines needs to be Power cycled after enabling TRIM/UNMAP. Enabling TRIM/UNMAP on cluster is […]
vDS Out of Sync
This blog is focused on rectifying the vDS and making it in sync state. First, please you are not hitting a known BUG in vDS 6.6, check VMware Release Notes. You might see below warning in summary page of vDS The vSphere Distributed Switch configuration on some hosts differed from that of the vCenter Server […]
How to create VMFS partition on USB device for ESXi 6.x
Plug in the USB device to the ESXi host Make sure that usbarbitrator service is off on the ESXi host so that the host will not use it as Passthrough : # /etc/init.d/usbarbitrator stop Check the usb in core device list : # esxcli storage core device list t10.SanDisk00Cruzer_Blade000000004C530001111202103073 Display Name: Local USB Direct-Access […]
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PSOD happening on ESXi host after USB disconnect
You might face a PSOD after/during the USB disconnect. If you have, you might see a PSOD with backtrace similar to below: cpu17:33399)@BlueScreen: #GP Exception 13 in world 33399:vmklinux_9:h @ 0x41802c42b8e8cpu17:33399)Code start: 0x41802c400000 VMK uptime: 3:16:17:26.592cpu17:33399)0x439113b9b830:[0x41802c42b8e8]DLM_malloc@vmkernel#nover+0x31c stack: 0x41802c7ae9c0cpu17:33399)0x439113b9b880:[0x41802c42d22b]DLM_memalign@vmkernel#nover+0x7f stack: 0x80cpu17:33399)0x439113b9b8b0:[0x41802c429c13]Heap_AlignWithTimeoutAndRA@vmkernel#nover+0xf3 stack: 0x15cpu17:33399)0x439113b9b940:[0x41802cb3c423]dma_pool_alloc@com.vmware.driverAPI#9.2+0x2b stack: 0x0cpu17:33399)0x439113b9b960:[0x41802ccf8807]ehci_qtd_alloc@#+0x17 stack: 0x5a3432352e32353acpu17:33399)0x439113b9b990:[0x41802ccf8fb4]qh_urb_transaction@#+0x318 stack: 0xffffffff21fa08d8cpu17:33399)0x439113b9ba10:[0x41802ccff1f2]ehci_urb_enqueue@#+0x5e stack: 0x0cpu17:33399)0x439113b9bac0:[0x41802ccdc151]usb_hcd_submit_urb@com.vmware.usb#9.2.3.0+0xf9 stack: 0x202cpu17:33399)0x439113b9bbb0:[0x41802cce8d41]usb_submit_urb@com.vmware.usb#9.2.3.0+0xfd stack: 0x43050f664ac0cpu17:33399)0x439113b9bbe0:[0x41802cce47fd]usb_start_wait_urb@com.vmware.usb#9.2.3.0+0x71 stack: […]
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