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whisper: migrate PVC from proxmox-lvm to NFS

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Wave 1 LUN-cap relief. Whisper PVC holds Piper TTS .onnx voice
model + a HuggingFace faster-whisper-small-int8 model cache —
read-mostly model artefacts, no DB, 303M total. Both whisper and
piper deployments are at replicas=0 (GPU-node memory pressure,
unrelated).

Switched access_modes to ReadWriteMany since both whisper + piper
deployments reference the same PVC; on proxmox-lvm RWO they could
only colocate on the same node when both come back.

Net: -1 SCSI LUN once these are brought back up.
This commit is contained in:
Viktor Barzin 2026-05-26 02:38:34 +00:00
parent a2b410f6c9
commit 681f6daf10
1 changed files with 10 additions and 29 deletions
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39
stacks/whisper/main.tf
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@ -25,33 +25,14 @@ module "tls_secret" {
tls_secret_name = var.tls_secret_name
}
resource "kubernetes_persistent_volume_claim" "data_proxmox" {
wait_until_bound = false
metadata {
name = "whisper-data-proxmox"
namespace = kubernetes_namespace.whisper.metadata[0].name
annotations = {
"resize.topolvm.io/threshold" = "10%"
"resize.topolvm.io/increase" = "100%"
"resize.topolvm.io/storage_limit" = "5Gi"
}
}
spec {
access_modes = ["ReadWriteOnce"]
storage_class_name = "proxmox-lvm"
resources {
requests = {
storage = "1Gi"
}
}
}
lifecycle {
# The autoresizer expands requests.storage up to storage_limit and
# PVCs can't shrink. Without this, every TF apply tries to revert
# to the spec value, K8s rejects the shrink, and the PVC ends up
# in Terminating-but-in-use limbo.
ignore_changes = [spec[0].resources[0].requests]
}
module "nfs_data_host" {
source = "../../modules/kubernetes/nfs_volume"
name = "whisper-data-host"
namespace = kubernetes_namespace.whisper.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/srv/nfs/whisper"
storage = "1Gi"
access_modes = ["ReadWriteMany"]
}
resource "kubernetes_deployment" "whisper" {
@ -118,7 +99,7 @@ resource "kubernetes_deployment" "whisper" {
volume {
name = "data"
persistent_volume_claim {
claim_name = kubernetes_persistent_volume_claim.data_proxmox.metadata[0].name
claim_name = module.nfs_data_host.claim_name
}
}
}
@ -244,7 +225,7 @@ resource "kubernetes_deployment" "piper" {
volume {
name = "data"
persistent_volume_claim {
claim_name = kubernetes_persistent_volume_claim.data_proxmox.metadata[0].name
claim_name = module.nfs_data_host.claim_name
}
}
}