# Ask a Question **URL:** https://community.vastdata.com/c/help/21.md [Latest](https://community.vastdata.com/latest.md) · [Categories](https://community.vastdata.com/categories.md) · [Tags](https://community.vastdata.com/tags.md) --- ## [About the Ask a Question category](https://community.vastdata.com/t/about-the-ask-a-question-category/1074)
**Author:** [@jonasrosland](https://community.vastdata.com/u/jonasrosland)\ **Replies:** 5\ **Last updated:** [October 31, 2025, 4:20pm UTC](https://community.vastdata.com/t/about-the-ask-a-question-category/1074 "2025-10-31T16:20:05Z")
Got questions about VAST Data and its products? Trying to figure out how to create the best observability dashboard? Wondering how to enable NFS for a new share? This is the place! Ask your questions here, and our fant… --- ## [CNode Hostname Naming Convention](https://community.vastdata.com/t/cnode-hostname-naming-convention/2105)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 3\ **Last updated:** [October 19, 2026, 8:08pm UTC](https://community.vastdata.com/t/cnode-hostname-naming-convention/2105 "2026-10-19T20:08:48Z")
Hi - Does anyone know if the CNode hostnames are configurable? I’d like to make minor changes to node naming convention: --- ## [Can Snap to S3 plus VAST to VAST replication be used concurrently protecting the same dataset?](https://community.vastdata.com/t/can-snap-to-s3-plus-vast-to-vast-replication-be-used-concurrently-protecting-the-same-dataset/2104)
**Author:** [@eugene.sergejew](https://community.vastdata.com/u/eugene.sergejew)\ **Replies:** 1\ **Last updated:** [October 14, 2026, 3:14pm UTC](https://community.vastdata.com/t/can-snap-to-s3-plus-vast-to-vast-replication-be-used-concurrently-protecting-the-same-dataset/2104 "2026-10-14T15:14:16Z")
Can Snap to S3 plus VAST to VAST replication be used concurrently protecting the same dataset? We want to use remote VAST async replication plus data immutability for short term data protection and snap to S3 for longer… --- ## [Does VAST NFS Driver optimize KV cash hit rate?](https://community.vastdata.com/t/does-vast-nfs-driver-optimize-kv-cash-hit-rate/2036)
**Author:** [@kodai](https://community.vastdata.com/u/kodai)\ **Replies:** 4\ **Last updated:** [August 21, 2026, 5:14am UTC](https://community.vastdata.com/t/does-vast-nfs-driver-optimize-kv-cash-hit-rate/2036 "2026-08-21T05:14:19Z")
Hello All I have read some of VAST Data blog about KV cashe and AI agent. And several of tests in that articles use VAST NFS driver. I understand that this is primarily used for multipath purposes, but is it possible … --- ## [Add S3 Certificate via CLI](https://community.vastdata.com/t/add-s3-certificate-via-cli/2002)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 3\ **Last updated:** [July 8, 2026, 9:13pm UTC](https://community.vastdata.com/t/add-s3-certificate-via-cli/2002 "2026-07-08T21:13:08Z")
Hi - Does anyone know the correct command to upload S3 server.crt and server.key via cli? --- ## [Unable to Sign In to GitHub in Cosmos Lab](https://community.vastdata.com/t/unable-to-sign-in-to-github-in-cosmos-lab/2001)
**Author:** [@Addika1630](https://community.vastdata.com/u/Addika1630)\ **Replies:** 2\ **Last updated:** [July 2, 2026, 2:46pm UTC](https://community.vastdata.com/t/unable-to-sign-in-to-github-in-cosmos-lab/2001 "2026-07-02T14:46:33Z")
Hello, Inside Cosmos Lab, it says “Sign in to use AI features.” However, when I try to sign in with GitHub, I receive a “This site can’t be reached” error, and I’m unable to complete the authentication. Could you pleas… --- ## [VMS CLI Command to check TLS Version](https://community.vastdata.com/t/vms-cli-command-to-check-tls-version/1982)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 3\ **Last updated:** [June 9, 2026, 4:56pm UTC](https://community.vastdata.com/t/vms-cli-command-to-check-tls-version/1982 "2026-06-09T16:56:35Z")
Hi All - There is a VMS CLI command to change the default minimum TLS version from 1.2 to 1.3 (Required for RPC over TLS). Is there a way to verify that change? What command can be used to verify 1.3? From client you ca… --- ## [Help with VASTDATA REST API for use with Atempo Miria Migration tool](https://community.vastdata.com/t/help-with-vastdata-rest-api-for-use-with-atempo-miria-migration-tool/1978)
**Author:** [@njana](https://community.vastdata.com/u/njana)\ **Replies:** 1\ **Last updated:** [May 27, 2026, 6:18pm UTC](https://community.vastdata.com/t/help-with-vastdata-rest-api-for-use-with-atempo-miria-migration-tool/1978 "2026-05-27T18:18:23Z")
Hi All! We are migrating from Qumulo NAS to VastData & would like to use FASTSCAN feature in Atempo that uses snapshot capability of the source & target NAS , to spot the delta files quickly for faster resync job execut… --- ## [Where to prototype scripts](https://community.vastdata.com/t/where-to-prototype-scripts/1977)
**Author:** [@capsaicin420](https://community.vastdata.com/u/capsaicin420)\ **Replies:** 1\ **Last updated:** [May 25, 2026, 5:08pm UTC](https://community.vastdata.com/t/where-to-prototype-scripts/1977 "2026-05-25T17:08:43Z")
The virtual lab is very useful. Is there an environment that allows for read/write (even if only for a small amount of data) in order to prototype scripts and database coding (python). It would probably require a 2nd win… --- ## [Failed to deploy pipeline](https://community.vastdata.com/t/failed-to-deploy-pipeline/1972)
**Author:** [@albertlee](https://community.vastdata.com/u/albertlee)\ **Replies:** 0\ **Last updated:** [May 11, 2026, 9:58pm UTC](https://community.vastdata.com/t/failed-to-deploy-pipeline/1972 "2026-05-11T21:58:05Z")
Got an error when trying to deploy a pipeline { “detail”: “Failed to deploy pipeline. Pipeline: ‘alee-hello-world-pipeline’ (Kubernetes name: ‘alee-hello-world-pipeline’, vast-id: ‘m6debxudaaaaa’, GUID: 502650e2-27fe-4… --- ## [VAST Block for ScoutAM: RAID0, Snapshots & Multi-Host (ScoutFS) – Best Practices?](https://community.vastdata.com/t/vast-block-for-scoutam-raid0-snapshots-multi-host-scoutfs-best-practices/1962)
**Author:** [@amritraj.shetty](https://community.vastdata.com/u/amritraj.shetty)\ **Replies:** 0\ **Last updated:** [May 4, 2026, 5:52pm UTC](https://community.vastdata.com/t/vast-block-for-scoutam-raid0-snapshots-multi-host-scoutfs-best-practices/1962 "2026-05-04T17:52:42Z")
Hey folks — looking for some quick feedback on a design using VAST block devices for Versity ScoutAM (metadata + primary cache layer, scale: hundreds of TB). A few specific questions: • Device sizing: While we can prov… --- ## [Disabling IPv6 Multicast Traffic on VLAN 1](https://community.vastdata.com/t/disabling-ipv6-multicast-traffic-on-vlan-1/1952)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 0\ **Last updated:** [May 1, 2026, 6:35pm UTC](https://community.vastdata.com/t/disabling-ipv6-multicast-traffic-on-vlan-1/1952 "2026-05-01T18:35:23Z")
Hello - Does anyone know if there is a way to disable IPv6 Multicast traffic on VLAN 1 in Vast OS? This is for security purposes and need to have it disabled on the client network side, if possible. --- ## [Vast Data CSI Driver for Kubernetes](https://community.vastdata.com/t/vast-data-csi-driver-for-kubernetes/1930)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 14\ **Last updated:** [April 21, 2026, 12:26am UTC](https://community.vastdata.com/t/vast-data-csi-driver-for-kubernetes/1930 "2026-04-21T00:26:08Z")
Hi - I had a question regarding the CSI Driver. Does it support TLS 1.3 for NFS? All I see is SSL here. Is SSL & TLS being used interchangeably in this documentation? Thanks --- ## [Best practices for querying VAST Catalog on a very large (4PB+) cluster](https://community.vastdata.com/t/best-practices-for-querying-vast-catalog-on-a-very-large-4pb-cluster/1925)
**Author:** [@idogross2](https://community.vastdata.com/u/idogross2)\ **Replies:** 2\ **Last updated:** [April 14, 2026, 5:41pm UTC](https://community.vastdata.com/t/best-practices-for-querying-vast-catalog-on-a-very-large-4pb-cluster/1925 "2026-04-14T17:41:28Z")
Hi all, I’m building a self-service tool that lets users see usage data for their own bucket (total size, file counts, per-subdirectory breakdown). I’ve tried querying the VAST Catalog a few different ways — vast-db-cli… --- ## [VAST S3 Benchmarking](https://community.vastdata.com/t/vast-s3-benchmarking/1902)
**Author:** [@billhill](https://community.vastdata.com/u/billhill)\ **Replies:** 2\ **Last updated:** [March 27, 2026, 1:18pm UTC](https://community.vastdata.com/t/vast-s3-benchmarking/1902 "2026-03-27T13:18:34Z")
Hi - I know we can perform benchmarking of S3 using elbencho. Does VAST have a a one-pager with high-level S3 performance for large objects and small objects: MB/s, Ops/sec, latency (ms)? --- ## [Do we have any partners interested in building an integration with VAST? 🚀](https://community.vastdata.com/t/do-we-have-any-partners-interested-in-building-an-integration-with-vast/1882)
**Author:** [@christina.neble](https://community.vastdata.com/u/christina.neble)\ **Replies:** 0\ **Last updated:** [March 11, 2026, 8:35pm UTC](https://community.vastdata.com/t/do-we-have-any-partners-interested-in-building-an-integration-with-vast/1882 "2026-03-11T20:35:27Z")
We’re inviting partners to build AI-powered integrations with VAST. Let me know if you’re interested, or complete this form to get started \>\> VAST Cosmos Technology Program --- ## [Launching lab environment not working?](https://community.vastdata.com/t/launching-lab-environment-not-working/1816)
**Author:** [@KarahAllen](https://community.vastdata.com/u/KarahAllen)\ **Replies:** 3\ **Last updated:** [February 5, 2026, 6:21pm UTC](https://community.vastdata.com/t/launching-lab-environment-not-working/1816 "2026-02-05T18:21:56Z")
I’m trying to do the VAST Data Code Labs. After going to the link (https://connect.thecosmoslabs.com/cosmos-labs) and logging in with Github, when I click the “Launch Lab Environment” button, a new window opens but it gi… --- ## [Discord Invite Update?](https://community.vastdata.com/t/discord-invite-update/1811)
**Author:** [@bphillipsmith](https://community.vastdata.com/u/bphillipsmith)\ **Replies:** 1\ **Last updated:** [December 4, 2025, 7:24pm UTC](https://community.vastdata.com/t/discord-invite-update/1811 "2025-12-04T19:24:02Z")
Hi, is there an updated invite link for the Discord server? The links I’ve found all appear to be expired. Thanks! --- ## [Add data\_engine/video-reasoning/ demo in Cosmos Labs](https://community.vastdata.com/t/add-data-engine-video-reasoning-demo-in-cosmos-labs/1809)
**Author:** [@dypaul](https://community.vastdata.com/u/dypaul)\ **Replies:** 1\ **Last updated:** [November 24, 2025, 9:20pm UTC](https://community.vastdata.com/t/add-data-engine-video-reasoning-demo-in-cosmos-labs/1809 "2025-11-24T21:20:22Z")
Hello, Could you add in Vscode of Cosmo labs the demo of data\_engine/video-reasoning/ please. Best Regards, --- ## [Does VAST have data reduction for S3?](https://community.vastdata.com/t/does-vast-have-data-reduction-for-s3/1502)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [July 2, 2025, 8:28pm UTC](https://community.vastdata.com/t/does-vast-have-data-reduction-for-s3/1502 "2025-07-02T20:28:01Z")
We’re looking to optimize storage costs and efficiency. Does VAST Data provide data reduction capabilities when using S3 protocols to help minimize storage requirements? --- ## [How does VAST protect data against SSD failure?](https://community.vastdata.com/t/how-does-vast-protect-data-against-ssd-failure/1503)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [July 2, 2025, 8:27pm UTC](https://community.vastdata.com/t/how-does-vast-protect-data-against-ssd-failure/1503 "2025-07-02T20:27:23Z")
We’re concerned about storage reliability and want to understand the data protection mechanisms. How does VAST Data handle SSD failures and ensure data integrity? --- ## [Does VAST support SMB encryption?](https://community.vastdata.com/t/does-vast-support-smb-encryption/1505)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [July 2, 2025, 8:26pm UTC](https://community.vastdata.com/t/does-vast-support-smb-encryption/1505 "2025-07-02T20:26:38Z")
We need encrypted SMB connections for security compliance. Does VAST Data currently support SMB protocol encryption, and what versions are supported? --- ## [Does VAST do SEC 17a-4?](https://community.vastdata.com/t/does-vast-do-sec-17a-4/1504)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [July 2, 2025, 8:25pm UTC](https://community.vastdata.com/t/does-vast-do-sec-17a-4/1504 "2025-07-02T20:25:40Z")
We’re in the financial services sector and need SEC Rule 17a-4 compliance for our data retention requirements. Does VAST Data meet these regulatory standards? --- ## [Does VAST do S3 encryption?](https://community.vastdata.com/t/does-vast-do-s3-encryption/1480)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 12:54pm UTC](https://community.vastdata.com/t/does-vast-do-s3-encryption/1480 "2025-06-23T12:54:58Z")
We use S3 APIs extensively and need to ensure data security. Does VAST Data support encryption for S3 protocol communications and data transfer? --- ## [I'm looking for a 10 PB system - is VAST appropriate?](https://community.vastdata.com/t/im-looking-for-a-10-pb-system-is-vast-appropriate/1479)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 12:50pm UTC](https://community.vastdata.com/t/im-looking-for-a-10-pb-system-is-vast-appropriate/1479 "2025-06-23T12:50:22Z")
We have a large-scale requirement for around 10 petabytes of storage. Is VAST Data suitable for this scale, and can it handle enterprise-level deployments of this size? --- ## [Do you have an SMB solution?](https://community.vastdata.com/t/do-you-have-an-smb-solution/1478)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 12:47pm UTC](https://community.vastdata.com/t/do-you-have-an-smb-solution/1478 "2025-06-23T12:47:40Z")
We need SMB protocol support for our Windows and Mac environments. Does VAST Data provide SMB connectivity and file sharing capabilities? --- ## [Does VAST Data have full data encryption from edge to core, at rest and in flight?](https://community.vastdata.com/t/does-vast-data-have-full-data-encryption-from-edge-to-core-at-rest-and-in-flight/1477)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 12:33pm UTC](https://community.vastdata.com/t/does-vast-data-have-full-data-encryption-from-edge-to-core-at-rest-and-in-flight/1477 "2025-06-23T12:33:49Z")
Security is critical for our use case. Can you confirm that VAST Data provides comprehensive encryption coverage for data both when stored and during transmission? --- ## [What is the maximum IOPS?](https://community.vastdata.com/t/what-is-the-maximum-iops/1440)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 2\ **Last updated:** [June 12, 2025, 10:05am UTC](https://community.vastdata.com/t/what-is-the-maximum-iops/1440 "2025-06-12T10:05:39Z")
We have high-performance requirements and need to know the maximum IOPS that VAST Data can deliver. What are the performance limits of the platform? --- ## [Is there VAST integration with VMware?](https://community.vastdata.com/t/is-there-vast-integration-with-vmware/1446)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 10, 2025, 7:08pm UTC](https://community.vastdata.com/t/is-there-vast-integration-with-vmware/1446 "2025-06-10T19:08:12Z")
Our infrastructure is heavily based on VMware virtualization. Does VAST Data integrate well with VMware environments, and are there any specific considerations or best practices? --- ## [What AI capabilities do you offer in your products?](https://community.vastdata.com/t/what-ai-capabilities-do-you-offer-in-your-products/1445)
**Author:** [@community-bot](https://community.vastdata.com/u/community-bot)\ **Replies:** 1\ **Last updated:** [June 10, 2025, 7:07pm UTC](https://community.vastdata.com/t/what-ai-capabilities-do-you-offer-in-your-products/1445 "2025-06-10T19:07:02Z")
I’m evaluating AI infrastructure solutions and want to understand the specific AI-related features and capabilities that VAST Data provides. What makes it suitable for AI workloads? [Next page](https://community.vastdata.com/c/help/21.md?page=1)