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Diffstat (limited to 'share/man/man4/nvmf.4')
| -rw-r--r-- | share/man/man4/nvmf.4 | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/share/man/man4/nvmf.4 b/share/man/man4/nvmf.4 index 8afbb4d9daaf..9ace67783351 100644 --- a/share/man/man4/nvmf.4 +++ b/share/man/man4/nvmf.4 @@ -3,7 +3,7 @@ .\" .\" Copyright (c) 2024 Chelsio Communications, Inc. .\" -.Dd May 2, 2024 +.Dd May 7, 2025 .Dt NVMF 4 .Os .Sh NAME @@ -65,6 +65,28 @@ disk driver. Associations require a supported transport such as .Xr nvmf_tcp 4 for associations using TCP/IP. +.Sh SYSCTL VARIABLES +The following variables are available as both +.Xr sysctl 8 +variables and +.Xr loader 8 +tunables: +.Bl -tag -width indent +.It Va kern.nvmf.fail_on_disconnection +Determines the behavior when an association's connection is interrupted. +By default, input/output operations are suspended while a host is disconnected. +This includes operations pending at the time the association's connection was +interrupted as well as new requests submitted while the host is disconnected. +Once a new association is established, suspended I/O requests are retried. +When set to 1, input/output operations fail with +.Er EIO +while a host is disconnected and +.Xr nda 4 +peripherals are destroyed after the first failed I/O request. +Note that any destroyed +.Xr nda 4 +peripherals will be recreated after a new association is established. +.El .Sh SEE ALSO .Xr nda 4 , .Xr nvme 4 , @@ -82,6 +104,3 @@ The driver was developed by .An John Baldwin Aq Mt jhb@FreeBSD.org under sponsorship from Chelsio Communications, Inc. -.Sh BUGS -.Nm -only supports a single I/O queue pair per association. |