4.0.37

Source: vastnfs-4.0.37.tar.xz

(released Nov 18, 2025)

Backport NFSv4.1 remoteports= multipath fixes from v4.5.x branch.
Backport upstream fix for dentry verifier of links (commit v5.16-rc1~56^2~83).
Documentation updates

4.0.36

Source: vastnfs-4.0.36.tar.xz

(released Oct 4, 2025)

For kernel 5.15-5.17, fix readahead performance under mmap with multiple processes
Documentation updates (CoreOS support, DOCA OFED workarounds)

4.0.35

Source: vastnfs-4.0.35.tar.xz

(released Aug 25, 2025)

Backported fixes for retry issues with Kerberos
Prevent duplicate noextend mount option showing up /proc/mounts
Fix unresponsive rpc-gssd in rare cases (for debug)
Fix an issue with NFSv4.x client-based multipath on remounts
Interleave localports for NFSv4.1 multipath usage
Fix symbols exports for GDS usage (for newer DOCA/MLNX OFED versions)
build: Remove benign error prints for missing $PATH entries
build: Fix incorrect print about git status
Documentation updates (ARP, vastnfs-ctl)

4.0.34

Source: vastnfs-4.0.34.tar.xz

(released Jun 13, 2025)

Fix a regression with spread_reads and spread_writes performance.
Fix a issues related to mdconnect implementation.
Fix a crash with buffered_internal_writeback related to writev calls.

4.0.33

Source: vastnfs-4.0.33.tar.xz

(released Apr 24, 2025)

Introduce mdconnect mount option to isolate metadata RPC connections for NFSv3 workloads
For RHEL9.5 and newer kernels, update compatibility layers
Add Debian installation dependency on nfs-common and run weak-modules on RHEL8/9 to ensure kernel modules are properly integrated
Support separate transport channels for NFS mounts via new nosharetransport (NFSv3) and sharetransport=N (NFSv4) mount options
Enhance Makefile: centralize NFS config definitions; fix GCC version parsing; improve RPM-based distribution error messaging
Improve scripts: add missing trace events and revert an unintended change
Fix sunrpc crash with backchannels when rpc_task_state_transition is enabled
Correct tracepoint error in trace_nfs3proc_access

4.0.32

Source: vastnfs-4.0.32.tar.xz

(released Dec 19, 2024)

Fix a backporting bug for older kernels (5.2 and below) that caused FD leak in rpc-gssd, relevant only for setups where Kerberos is used on those kernels.

4.0.31

Source: vastnfs-4.0.31.tar.xz

(released Nov 24, 2024)

Fix a build issue where source tarball is unpack in a path that has symlink components
Fix module signing on Ubuntu
Backport 'sunrpc: fix NFSACL RPC retry on soft mount' from upstream
For KRB5 setups using PID-based credentials cache, add fixes for NFSv4 IO recovery modes
Don't ignore localports= mount option with NFSv4.x
Don't ignore noidlexprt mount param with NFSv4.x
Extend vastnfs-ctl with status commands for transports and clients
For NFS4.x show remoteports in mountstats
Documentation fixes

4.0.30

Source: vastnfs-4.0.30.tar.xz

(released Sep 10, 2024)

Fix a rare case of stuck IOs in NFS v4.1 remoteports= multipath
Fix documentation regarding remoteports=dns
Fix mount failure when remoteports=dns is passed and nconnect is not
Remove unwanted caching of DNS results when remoteports=dns is used
Fix an issue with buffered_internal_writeback and unaligned user buffers
Show the extra mount options in the output of mount for existing mounts (except: NFSv4.1 remoteports mode)

4.0.29

Source: vastnfs-4.0.29.tar.xz

(released Jul 24, 2024)

Support up to Linux 6.8
Fix stability issues regard remoteports=dns feature
Fix stability issues regard passing network device names in localports=
Backport fix for idmapper upcall (upstream commit 51fd2eb52c0ca827)
Further fixes for recovery states when using RDMA bonding devices

4.0.28

Source: vastnfs-4.0.28.tar.xz

(released Jul 01, 2024)

Introduced a new buffered_internal_writeback module parameter, which enhances write performance on older kernels. When enabled, it applies to synchronous and large page-aligned writes. These writes are buffered but behave similarly to O_DIRECT writes by bypassing the overhead of the Linux writeback.
Added support for Oracle Linux 8.9.

4.0.27

Source: vastnfs-4.0.27.tar.xz

(released May 16, 2024)

Bugfix for Linux kernel 4.19.x LTS tree changes
Fix for remoteports= ranges on IPv6 addresess
Support remoteports=dns mode
Fix for recovery states when using RDMA bonding devices
Automatic readlink retry via lookup. This allows clients to replace symlinks in directories using rename without causing other clients to fail when using them for path traversal. This improvement is pending upstream NFS client contribution.
When debugging with all trace-events enabled, fix for stability
Documentation changes

4.0.26

Source: vastnfs-4.0.26.tar.xz

(released Apr 04, 2024)

Support for Linux kernels up to Linux 6.6
Import stability patches from Linux LTS 5.15.x tree up to 5.15.147
Add an optlockflush mount option (see documentation)
Add a noextend mount option (see documentation)
Debian packaging: add missing depmod call on install
Debian packaging: fix build error on compressed kernel modules
Fix backporting issue regarding srcaddr access in sysfs
build.sh: fix Oracle Linux detection
Various documentation changes

4.0.25

Source: vastnfs-4.0.25.tar.xz

(released Mar 26, 2024)

Add relmtime mount option (see documentation).

4.0.24

Source: vastnfs-4.0.24.tar.xz

(released Feb 26, 2024)

Bugfix for rare cases of lost writeback in backported code from Linux 5.18 to 6.7.

4.0.23

Source: vastnfs-4.0.23.tar.xz

(released Jan 19, 2024)

Support RHEL 9.3.
Support up to upstream kernels Linux 6.2.
Fix the localports_failover implementation which was broken due to a trivial bug.
Allow interop with builds of Lustre (only ones that have Kerberos disabled).

4.0.22

Source: vastnfs-4.0.22.tar.xz

(released Oct 12, 2023)

Support passing network device names in localports=.

4.0.21

Source: vastnfs-4.0.21.tar.xz

(released Oct 12, 2023)

Fix crash when using xattrs under NFS protocol version 4.2.

4.0.20

Source: vastnfs-4.0.20.tar.xz

(released Sep 12, 2023)

Improve kernel header detection on Debian
Linux 5.15.x LTS sync to v5.15.126.
nfsd: fix support for xattrs on various kernels
3.9.x fallback sync: v3.9.30.

4.0.19

Source: vastnfs-4.0.19.tar.xz

(released Aug 15, 2023)

Fix for upcoming RHEL 8.9 kernels.
NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKED

4.0.18

Source: vastnfs-4.0.18.tar.xz

(released Jun 17, 2023)

Fix for Ubuntu kernels 5.19.x.

4.0.17

Source: vastnfs-4.0.17.tar.xz

(released May 29, 2023)

Support for Linux kernels up to 5.19, including.
Support for RHEL 9.2.
Tracing improvements.

4.0.16

Source: vastnfs-4.0.16.tar.xz

(released Apr 03, 2023)

Fix nfsd (the NFS server service) for various platforms, instead of loading a stub. Platforms include later RHEL 8.x and above ; Linux 5.4.0 kernels and above.
Add the spread_reads and spread_writes mount parameters. These allow remoteports=-based NFSv3 multipath spread of IOs on single files, in contrast to the default where file handles pin to remote IP address to obtain cache locality in remote servers. NFSv4.1 remoteports= multipath is unchanged.

4.0.15

Source: vastnfs-4.0.15.tar.xz

(released Mar 09, 2023)

Build fixes for OFED-5.9.
Fix stuck IOs in NFS v4.1 remoteports= multipath.
Packaging sync of legacy 3.x branch to 3.9.27.

4.0.14

Source: vastnfs-4.0.14.tar.xz

(released Feb 07, 2023)

Packaging sync of legacy 3.x branch to 3.9.26.

4.0.13

Source: vastnfs-4.0.13.tar.xz

(released Feb 05, 2023)

Build fix for Scientific Linux detection.
Support RHEL 9.1.

4.0.12

Source: vastnfs-4.0.12.tar.xz

(released Jan 19, 2023)

Fix read_ahead_kb default for kernel targets to be between 60 KB and 128 KB.

4.0.11

Source: vastnfs-4.0.11.tar.xz

(released Jan 08, 2023)

Package meta-data fix.

4.0.10

Source: vastnfs-4.0.10.tar.xz

(released Dec 07, 2022)

An additional compatibility fix was required to prevent a crash on sysctl access. The crash only happened with rpcrdma loaded under kernels older than Linux v5.7 which don't contain a backport of upstream commit 32927393dc1.