01-31-2013
Compress dbexport on the fly
Hi,
I have an old HPUX 10.20 server running Informix 7.23
I need to dump the database to get it off that hardware before it dies.
Unfortunately there is insufficient local diskspace to do so.
I have set up a linux box with sufficient disk onto which I can export the database.
Having configured an NFS link between the two, I ran
dbexport -o /remote
However, the HPUX server has NFS v2 which has a 2Gb file size limit.
Some of the tables being unloaded are over 2Gb in size so the dbexport process terminates when it reaches the first one.
Seems bundle PHNE_25234 would upgrade to NFS v3 but I cannot find it.
My only other idea on how to do this, is to compress the dbexport output on the fly before it is saved to the NFS disk, but I cannot figure out the syntax, or even if it's possible.
Does anyone know how I might achieve this?
Or if it might be possible to transfer the data on the fly another way? By ftp maybe?
Thank you for any help you can offer
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LEARN ABOUT OPENSOLARIS
dfmounts_nfs
dfmounts_nfs(1M) System Administration Commands dfmounts_nfs(1M)
NAME
dfmounts_nfs - display mounted NFS resource information
SYNOPSIS
dfmounts [-F nfs] [-h] [server]...
DESCRIPTION
dfmounts shows the local resources shared through NFS, along with the list of clients that have mounted the resource. The -F flag may be
omitted if NFS is the only file system type listed in the file /etc/dfs/fstypes.
dfmounts without options, displays all remote resources mounted on the local system, regardless of file system type.
The output of dfmounts consists of an optional header line (suppressed with the -h flag) followed by a list of lines containing whitespace-
separated fields. For each resource, the fields are:
resource server pathname clients ...
where
resource Does not apply to NFS. Printed as a hyphen (-).
server Specifies the system from which the resource was mounted.
pathname Specifies the pathname that must be given to the share(1M) command.
clients Is a comma-separated list of systems that have mounted the resource.
OPTIONS
-F nfs Specifies the nfs-FSType.
-h Suppress header line in output.
server Displays information about the resources mounted from each server, where server can be any system on the network. If no server
is specified, the server is assumed to be the local system.
FILES
/etc/dfs/fstypes
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
SEE ALSO
mount(1M), share(1M), unshare(1M), attributes(5)
SunOS 5.11 6 Nov 2000 dfmounts_nfs(1M)