DSF Content: nfs_ls Utility Acropolis uses iSCSI and NFS for storing VM files. Since you want to be able to see what was uploaded to the container, you can check from any of the controller VMs the container content using the nfs_ls utility to list NFS servers, exports or directories. List contents of one container:…
After completing the NCP, the NCAP was the next goal on my list. I began to prepare for this in a similar fashion to how I did with the NCP. The first step was of course, to download the Exam Blueprint. As with the NCP guide, a big credit again goes to Steven Poitras, and…
Preparations Ensure each cluster has a minimum configuration of 4 vCPUs and 12 GiB of memory available on each host. Ensure you have configured or defined internal and external networks. An Active Directory, Domain Name Server, and a Network Time Protocol Server. You need Active Directory administrator credentials, enterprise administrator credentials, and at least domain…
Requirements and Limitations Ensure that ports 3260 and 3205 are open on any clients accessing the cluster where Acropolis Block Services is enabled. You must configure an external data services IP address in Cluster Details available from the Prism web console. Synchronous Replication or Metro Availability are not currently supported for volume groups. Linux guest VM clustering…
Acropolis Block Services (ABS) Exposes backend DSF to external consumers via iSCSI Use Cases: Oracle RAC MSCS Containers Bare-metal Exchange on vSphere Constructs: Data Services IP: Cluster Wide VIP for iSCSI logins Volume Group: iSCSI target/group of disk devices Disks: Devices in Volume Group Attachment: Permissions for IQN access Backend = VG’s disk is just…
Acropolis CLI (ACLI) The Acropolis CLI (aCLI) is used for managing the Acropolis portion of the Nutanix List hosts: host.list Create network: net.create [TYPE].[ID].[VSWITCH] ip_config=[A.B.C.D]/[NN] #Example net.create vlan.133 ip_config=10.1.1.1/24 List network(s): net.list Create DHCP scope: net.add_dhcp_pool [NET NAME] start=[START IP A.B.C.D] end=[END IP W.X.Y.Z] Note: .254 is reserved and used by the Acropolis DHCP server…
An Acropolis Slave runs on every CVM with an elected Acropolis Master which is responsible for task scheduling, execution, IPAM, etc. Similar to other components which have a Master, if the Acropolis Master fails, a new one will be elected. The role breakdown for each can be seen below: Acropolis Master Task scheduling & execution…
Cassandra Distributed metadata store, based on heavily modified Apache Cassandra Stores/manages all metadata in ring-like manner Metadata describes where and how data is stored on a filesystem Let’s system know which node/disk and in what form the data resides Runs on every node in the cluster Accessed via Medusa RF used to maintain availability/redundancy Upon…