Solaris 10 Learning Path Post: 302830923

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Operating Systems Solaris Solaris 10 Learning Path Post 302830923 by Just Ice on Tuesday 9th of July 2013 07:50:37 PM

07-09-2013

Registered User

creating a "backup" server is a great idea ... some of the things to add to joeyg's list ...

1) look at all the processes running on the "production" server and understand how they are started as well as what they are associated with and how they are configured (i.e., in solaris 8, nfs is associated with nfsd and started by /etc/rc3.d/nfs.server and some configuration could be set in /etc/inetd.conf)

2) look at the running cron jobs and understand what they do

3) think about or research how you would go about making your backup server the production server if the need arises (i.e., if the operating system is on a separate disk drive by itself with the user home directories on a different drive, a failure of the operating system drive on the production server might just require you simply take the operating system drive from the backup server and use that to replace the failed disk on the production server. you would still probably need to restore the other settings or do a full sys-unconfig on the "rebuilt" server but it would be much quicker than rebuilding the server from scratch) . think about the scenarios that your server could fail and how you are going to act in those cases or how you could minimize or alleviate the risks.

4) figure out how you could make the production server as redundant as possible while you are building your backup server. goes with item 3 above.

5) identify all the settings, necessary configuration files and directories that make your server the way it is (i.e., nis+ servers would need /var/nis/*, /etc/nsswitch.conf, /etc/passwd, /etc/group, etc.; nfs servers need the shared directories as well as /etc/dfs/sharetab, /etc/inetd.conf, /etc/rc3.d/nfs.server, etc.) and think about how you can quickly replicate/restore them in case of emergency

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LEARN ABOUT X11R4

mountd

mountd(1M)																mountd(1M)

NAME

       mountd - server for NFS mount requests and NFS access checks

SYNOPSIS

       /usr/lib/nfs/mountd [-v] [-r]

       mountd  is  an  RPC  server  that  answers  requests  for  NFS  access  information  and  file  system  mount  requests.  It reads the file
       /etc/dfs/sharetab to determine which file systems are available for mounting by which remote machines. See sharetab(4). nfsd running on the
       local  server  will  contact mountd the first time an NFS client tries to access the file system to determine whether the client should get
       read-write, read-only, or no access. This access can be dependent on the security mode used in the remoted procedure call from the  client.
       See share_nfs(1M).

       The command also provides information as to what file systems are mounted by which clients. This information can be printed using the show-
       mount(1M) command.

       The mountd daemon is automatically invoked by share(1M).

       Only super user can run the mountd daemon.

       The options shown below are supported for NVSv2/v3 clients. They are not supported for Solaris NFSv4 clients.

       -r	Reject mount requests from clients. Clients that have file systems mounted will not be affected.

       -v	Run the command in verbose mode. Each time mountd determines what access a client should get, it will log the result to  the  con-
		sole, as well as how it got that result.

       /etc/dfs/sharetab       shared file system table

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWnfssu 		   |
       +-----------------------------+-----------------------------+

       nfsd(1M), share(1M), share_nfs(1M), showmount(1M), nfs(4), sharetab(4), attributes(5)

       Since  mountd  must  be	running for nfsd to function properly, mountd is automatically started by the svc:/network/nfs/server service. See
       nfs(4).

       Some routines that compare hostnames use case-sensitive string comparisons; some do not. If an incoming request fails, verify that the case
       of the hostname in the file to be parsed matches the case of the hostname called for, and attempt the request again.

								    27 Apr 2005 							mountd(1M)

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