mrcharles
a1beb6cd3e
Fleet-wide changes (live, documented for audit/AWX):
Persistent tuning via systemd oneshot (all 7 hosts):
- New pfv-nfs-tuning.service runs AFTER tuned.service to override
16MB TCP buffer caps with 128MB for high-BDP NFS
- New 99-pfv-nfs.conf sysctl fragment (128MB rmem/wmem, 250K backlog)
- Deployed to: tsys1, tsys3, tsys4, tsys5, tsys6, tsys7, tsys9
- Survives reboot — no more tuned clobbering our sysctl values
tsys5 fixes:
- VM 509 stopped, NFS D2/D3/D5 remounted with nconnect=4, VM 509
restarted (nconnect now live on all tsys5 NFS client mounts)
- SK hynix SSD (sdb1) persisted in fstab at /mnt/ssd2 (UUID-based)
- ssd2 added to Proxmox storage.cfg as dir storage
- Stale S3 export removed from /etc/exports (disk not mounted)
- Broken S4 dir entry removed from storage.cfg
- Duplicate noatime,noatime in fstab fixed
- version=4.2 bug in storage.cfg options fixed (invalid mount option)
tsys4 fixes:
- SSH keys re-standardized to 2 approved (upgrade regenerated host key)
- Tuning persistence working (128MB buffers confirmed live + persistent)
apply-tunings.sh fix:
- Removed version=4.2 from NFS options string (not a valid mount.nfs
option — causes mount failures; Proxmox auto-negotiates NFSv4.2)
Config files saved to provisioning/ConfigFiles/ for AWX/Ansible consumption:
- 99-pfv-nfs.conf
- pfv-nfs-tuning.service
💘 Generated with Crush
Assisted-by: Crush:glm-5.2
24 lines
867 B
Plaintext
24 lines
867 B
Plaintext
# PFV NFS tuning sysctl overrides
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#
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# Applied AFTER tuned via pfv-nfs-tuning.service (systemd oneshot).
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# These override tuned's network-throughput/virtual-host 16MB TCP buffer
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# caps with 128MB for high-BDP NFS over 1-4 GbE LACP links.
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#
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# Install on ALL Proxmox hosts:
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# cp 99-pfv-nfs.conf /etc/sysctl.d/99-pfv-nfs.conf
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# cp pfv-nfs-tuning.service /etc/systemd/system/pfv-nfs-tuning.service
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# systemctl daemon-reload && systemctl enable --now pfv-nfs-tuning.service
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#
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# Created: 2026-07-31
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# Deployed: tsys1, tsys3, tsys4, tsys5, tsys6, tsys7, tsys9
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net.core.rmem_max = 134217728
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net.core.wmem_max = 134217728
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net.core.rmem_default = 26214400
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net.core.wmem_default = 26214400
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net.core.netdev_max_backlog = 250000
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net.core.somaxconn = 65535
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net.ipv4.tcp_rmem = 4096 87380 134217728
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net.ipv4.tcp_wmem = 4096 65536 134217728
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net.ipv4.tcp_max_syn_backlog = 4096
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