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| author | smh <smh@FreeBSD.org> | 2016-01-06 09:56:06 +0000 |
|---|---|---|
| committer | smh <smh@FreeBSD.org> | 2016-01-06 09:56:06 +0000 |
| commit | c8d8dd1a4db073793cb96e0bf4c9ea87157b0e88 (patch) | |
| tree | bbb1c52a0000543ac35999d6210e65cbf2d24c8f /sbin/reboot/reboot.8 | |
| parent | 7e2e60f9853dcfee41c71c1aaca3a4e171b35bea (diff) | |
| download | FreeBSD-src-c8d8dd1a4db073793cb96e0bf4c9ea87157b0e88.zip FreeBSD-src-c8d8dd1a4db073793cb96e0bf4c9ea87157b0e88.tar.gz | |
MFC: r292266 & r292947
Add flag to disable inital reboot(8) userland sync
Sponsored by: Multiplay
Diffstat (limited to 'sbin/reboot/reboot.8')
| -rw-r--r-- | sbin/reboot/reboot.8 | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/sbin/reboot/reboot.8 b/sbin/reboot/reboot.8 index 13d7098..84dd887 100644 --- a/sbin/reboot/reboot.8 +++ b/sbin/reboot/reboot.8 @@ -29,6 +29,7 @@ .\" $FreeBSD$ .\" .Dd October 11, 2010 +.Dd Jan 06, 2016 .Dt REBOOT 8 .Os .Sh NAME @@ -39,16 +40,16 @@ .Nd stopping and restarting the system .Sh SYNOPSIS .Nm halt -.Op Fl lnpq +.Op Fl lNnpq .Op Fl k Ar kernel .Nm -.Op Fl dlnpq +.Op Fl dlNnpq .Op Fl k Ar kernel .Nm fasthalt -.Op Fl lnpq +.Op Fl lNnpq .Op Fl k Ar kernel .Nm fastboot -.Op Fl dlnpq +.Op Fl dlNnpq .Op Fl k Ar kernel .Sh DESCRIPTION The @@ -94,6 +95,16 @@ that call or .Nm halt and log this themselves. +.It Fl N +The file system cache is not flushed during the initial process clean-up, +however the kernel level +.Xr reboot 2 +is still processed with a sync. +This option can be useful for performing a +.Dq best-effort +reboot when devices might be unavailable. +This can happen when devices have been disconnected, such as with +.Xr iscsi 4 . .It Fl n The file system cache is not flushed. This option should probably not be used. |
