Add info to the README about when this daemon should be started, and
its build and runtime requirements.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
README | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/README b/README
index e7588cf..cb1d2f5 100644
--- a/README
+++ b/README
@@ -15,6 +15,8 @@ libraries. They are available from
http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/
Otherwise use --disable-nfsv4
+To use the nfsdcld tracking daemon, nfsv4 support must be enabled,
+and the libsqlite3 development libraries must be installed.
1. COMPILING
@@ -106,12 +108,31 @@ scripts can be written to work correctly.
the lock.
rpc.statd is only needed for NFSv2 and NFSv3 support.
- E/ rpc.nfsd
+ E/ nfsdcld
+ This daemon is only needed on kernels that support the nfsdcld
+ upcall, and only if the legacy client ID tracking isn't used. It
+ is also not needed if the server does not support NFSv4.
+
+ To determine whether you need this or not, do the following:
+
+ # cat /proc/fs/nfsd/versions
+
+ That should yield a list of NFS versions that this kernel supports,
+ if "4" or later is not in that list, or they are prefixed with a "-"
+ then you don't need to run this daemon. Next:
+
+ # cat /proc/fs/nfsd/nfsv4recoverydir
+
+ If that file is not present, or the directory that the above command
+ outputs is not present, then this daemon is required in order to
+ support lock recovery by the clients when the server reboots.
+
+ F/ rpc.nfsd
Starting nfsd will automatically start lockd. The nfs server
will now be fully active and respond to any requests from
clients.
- F/ sm-notify
+ G/ sm-notify
This will notify any client which might have locks from before
a reboot to try to reclaim their locks. This should start
immediately after rpc.nfsd is started so that clients have a
--
1.7.7.5
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