11-26-2003
I think that RMCobol will run on XP. That might be a solution. I would also contact the compiler vendor. It does not make sense to lock records in input mode.
Samba is not NFS. There are NFS products for XP. They may support the lockd protocol, but I'm not sure.
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lockd(1M) System Administration Commands lockd(1M)
NAME
lockd - network lock daemon
SYNOPSIS
/usr/lib/nfs/lockd [-g graceperiod] [-l listen_min_backlog] [-t timeout] [nthreads]
DESCRIPTION
The lockd utility is part of the NFS lock manager, which supports record locking operations on NFS files. See fcntl(2) and lockf(3C). The
lock manager provides the following two functions:
o It forwards fcntl(2) locking requests for NFS mounted file systems to the lock manager on the NFS server.
o It generates local file locking operations in response to requests forwarded from lock managers running on NFS client machines.
State information kept by the lock manager about these locking requests can be lost if the lockd is killed or the operating system is
rebooted. Some of this information can be recovered as follows. When the server lock manager restarts, it waits for a grace period for all
client-site lock managers to submit reclaim requests. Client-site lock managers, on the other hand, are notified by the status monitor dae-
mon, statd(1M), of the restart and promptly resubmit previously granted lock requests. If the lock daemon fails to secure a previously
granted lock at the server site, then it sends SIGLOST to a process.
Administrators can make changes to the startup parameters for lockd by logging in as root and editing the /etc/default/nfs file (See
nfs(4)).
OPTIONS
The following options are supported:
-g graceperiod Deprecated in favor of GRACE_PERIOD. Specify the number of seconds that all clients (both NLM and NFSv4) have to
reclaim locks after the server reboots. It also controls the NFSv4 lease interval. This option is equivalent to the
LOCKD_GRACE_PERIOD parameter.
-l listen_min_backlog Specify the listener backlog (listen_min_backlog). listen_min_backlog is the number connect requests that are
queued and waiting to be processed before new connect requests start to get dropped.
-t timeout Specify the number of seconds to wait before retransmitting a lock request to the remote server. The default value
is 15 seconds. Equivalent of the LOCKD_RETRANSMIT_TIMEOUT parameter in the nfs file.
OPERANDS
nthreads Specify the maximum number of concurrent threads that the server can handle. This concurrency is achieved by up to
nthreads threads created as needed in the kernel. nthreads should be based on the load expected on this server. If
nthreads is not specified, the maximum number of concurrent threads will default to 20. Equivalent of the
LOCKD_SERVERS parameter in the nfs file.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
SEE ALSO
svcs(1), automountd(1M), clear_locks(1M), mount_nfs(1M), share(1M), share_nfs(1M), statd(1M), svcadm(1M), fcntl(2), lockf(3C), nfs(4),
attributes(5), smf(5)
NOTES
The lockd service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/nfs/nlockmgr
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The ser-
vice's status can be queried using the svcs(1) command.
If it is disabled, it will be enabled by mount_nfs(1M), share_nfs(1M), and automountd(1M) unless its application/auto_enable prop-
erty is set to false.
This daemon might not exist in a future release of Solaris.
SunOS 5.10 17 Nov 2004 lockd(1M)