How do I mount nfs conditionally?

I have a file server with nfs shares and I've been mounting those shares with fstab entry.
I recently discovered (via systemd-analyze) that my really slow boot times were a result of the file server not being available ( powered off.)
The server will not always be online, so how do I change my fstab entry to only mount when the server is available?
I do like having the ability to mount -a when I need to mount on the fly.
I've attempted to search for this info, but found myself in a mess of fstab vs. systemd automount vs autofs posts.
Thank you

WonderWoofy wrote:
Yes, autofs indeed. I have the following additional mount options on my nfs share:
...noauto,x-systemd.automount,nofail,_netdev
To avoid confusion, it's worth mentioning that autofs and systemd automount are two completely different beasts.
WonderWoofy wrote:
when I do get back onto my home network with the nfs share, I simply do
$ mount /mount/point
FYI, the presence of x-systemd.automount in your fstab means you don't have to issue the mount command - it will automount whenever you try to access it.

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How to mount NFS into a zone or how to use the same IP in every zone?

Hi,
we are using a NFS server in a different subnet (= different network interface; nxge1) than our 'normal' network (= nxge0).
Now I want to mount serveral NFS directories into our zones.
First I thought the follwoing is possible:
In the global zone I just mount the filesystem into its place:
mount 10.11.3.1:/vol/vol_nfs_zones/zoneNNN_mnt /zones/zoneNNN/root/mnt
When the zone is halted this mount works, but when I start the zone, I receive the error:
# zoneadm -z zoneNNN boot
zoneadm: zone 'zoneNNN': These file-systems are mounted on subdirectories of /zones/zoneNNN/root:
zoneadm: zone 'zoneNNN': /zones/zoneNNN/root/mnt
zoneadm: zone 'zoneNNN': call to zoneadmd failed
When zoneNNN is already running and I try to mount it, I receive
nfs mount: mount: /zones/zoneNNN/root/mnt: Device busy
So the question is: How do I mount something in the gloabl zone from a NFS server into a zone?
The only alternative I see is to make the interface nxge1 available in every zone and give each an own IP in our storage network... But sadly this isn't an alternative because we don't have so many free IPs in that net! (Or is there a trick to use the same IP in the global and non-global zones for only this interface??)
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Mounting it by NFS in the global zone and trying to add this by the "add fs" and "type=lofs"-option yields to an error, when installing the zone:
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How can a mount a NFS share exported from OpenBSD?

Hello Apple Discussions:
I've been experimenting with NFS in a mixed OS environment, and have been successful exporting nfs share with tigerserver, and mounting it on both a powerpc linux system, and on a powerpc openBSD system.
Likewise, I can export a NFS share from the linux powerpc box, and mount it on the openBSD box and on the tigerserver, although, the latter required using the options (ro,sync,insecure) in my exports file.
However, when I export a share on the OpenBSD box, I can mount it on the linux box, but not on tigerserver.
I would like for the OpenBSD box to export a NFS share securely, with read-write permissions, to the tigerserver.
After reading so many tutorials, that it would be a page of links, just to list them all, I am pulling my hair out. However, I have found one thread that suggests, that perhaps what I'm trying to do is impossible:
http://www.bsdforums.org/forums/showthread.php?t=54308
Here it is suggested that the NFS won't work because tigerserver is not using UTF-8?
I will have to say, that I was somewhat alarmed, that the only times I succeeded in mounting an nfs share exported from linux onto tigerserver, it was when the "insecure" option is used in the /etc/exports file. There doesn't seem to be an equivalent for the linux style exports option "insecure", in the bsd style options of --maproot=user:group1:group2.
But I don't like using any options that say "insecure" anyways, so rather than trying to find out how to make openbsd "insecure", I would rather like to find out if there is a way to get tigerserver using UTF-8, at least when mounting NFS shares, if this is indeed the issue.
Here are the more technical details. I've created a user on all sytems named "fives" with the userid of 5555 and the groupid of 5555. I made the user local user in the local net info domain, but I've tried it with an LDAP user as well. The folders I wish to export and the folders into which to mount them are all owned by user fives and group fives, and have permissions set to 0775. The ip addresses are OpenBSD=192.168.222.111 TigerServer=192.168.222.233 LinuxPPC=192.168.222.253. I've included the relevant NFS setup files and running processes below:
ON THE OPENBSD BOX:
#/etc/exports
/fives -alldirs -network=192.168.222.0 -mask=255.255.255.0
/exports/fives -mapall=fives:fives 192.168.222.233 192.168.222.253
#/etc/hosts.deny
ALL: ALL
#/etc/hosts.allow
ALL: 192.168.222.233 192.168.222.253
#/etc/rc.conf.local
portmap=YES
lockd=YES
nfs_server=YES
#here's proof that the daemons are running on the OpenBSD box;
rpcinfo -p localhost
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100005 1 udp 863 mountd
100005 3 udp 863 mountd
100005 1 tcp 613 mountd
100005 3 tcp 613 mountd
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100021 1 udp 895 nlockmgr
100021 3 udp 895 nlockmgr
100021 1 tcp 706 nlockmgr
100021 3 tcp 706 nlockmgr
# actually, I don't see statd, but haven't found the equivalent in openbsd. There's rpc.rstatd, and maybe it should be listed here, but there doesn't seem to be a way to launch it directly. This is a competitor with the UTF-8 theory about why it's not working.
ON THE TIGER SERVER:
# here's proof that tiger server sees the mounts:
showmount -e 192.168.222.111
Exports list on 192.168.222.111:
/fives 192.168.222.0
/exports/fives 192.168.222.233 192.168.222.253
# here's the result of user fives' attempt at mounting a share:
sudo mount -t nfs 192.168.222.111:/exports/fives /imports/fives
mount_nfs: /imports/fives: Permission denied
# yet user fives has no problem mounting same share on linuxppc box.
What is different about OSX server? I thought it was supposed to speak NFS?
---argh... I'm steppin out for a pint.. Hopefully when I'm back it'll just work.

One thing not mentioned is that if you decide on the multiple user approach, you can have your music folder in Shared Documents so you only store the tracks once.
Each user is free to choose which of those tracks they want in their library.
There is an Apple help article on multiple users.
http://docs.info.apple.com/article.html?artnum=300432

Virt-install cannot mount nfs directory

Hi all,
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I created a dvd from Oracle Unbreakable EL 5.0 cds on a different machine.
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service nfs start
mkdir /mnt/dvd50
chmod a+rwx /mnt/dvd50
mount -o ro,loop /opt/tmp_os_isos/50/Enterprise-R5-GA-Server-i386-dvd.iso /mnt/dvd50/
exportfs *:/mnt/dvd50
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What is the name of your virtual machine? giallo2
How much RAM should be allocated (in megabytes)? 512
What would you like to use as the disk (path)? /virtpcs/dischi/giallo
How large would you like the disk (/virtpcs/dischi/giallo2) to be (in gigabytes)? 30
Would you like to enable graphics support? (yes or no) no
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That directory could not be mounted from the server.
If I try to run
[root@ovms ~]# mount.nfs 10.10.10.242:/mnt/dvd50 /mnt/50
it works!
I also tried to build adifferent dvd iso, or to uso a OEL 4.4 dvd iso (taken from an original working oracle dvd) but I always end up with the same error
Where am I wrong?
thanks, andrea

I realized this problem was somehow related with the ovms installation: the pc I installed ovms on has two network card; when I installed ovms I configured eth0 via DHCP (eth0 is linked to the office network and to internet) and I configured eth1 with a static IP (eth 1 is connected to a "private" network made by 2 more pc).
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Now I reinstalled ovms and I choosed to manage it via eth0 (si I put a static ip address on eth0) and everything seems working: I'm just installing OEL5.0 via nfs without any problem (I hope... :-) )
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Can't mount NFS from my Arch laptop, am I missing something obvious?

Hello,
I have been trying to solve this issue for over a week and tried everything that I can imagine with no luck...
Set up:
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/share/to_sort
/share/movies
/share/music
etc.
- MythTV frontend/backend running Mythbuntu.
I can mount my NFS shares without problem. I use this fstab.
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192.168.1.100:/share/Videos /var/lib/mythtv/videos nfs nolock,async,proto=tcp,rw,ac 0 0
- Arch laptop
I can't get to mount any of the NFS share:
[18:59:14][[email protected]]
/mnt/aether Arch64# /etc/rc.d/rpcbind restart
:: Stopping rpcbind [DONE]
:: Starting rpcbind [DONE]
[18:59:32][[email protected]]
/mnt/aether Arch64# mount 192.168.1.100:/share/to_sort/ to_sort/
mount.nfs: rpc.statd is not running but is required for remote locking.
mount.nfs: Either use '-o nolock' to keep locks local, or start statd.
mount.nfs: an incorrect mount option was specified
[19:00:03][[email protected]]
/mnt/aether Arch64# mount 192.168.1.100:/share/to_sort/ to_sort/ -o no-lock
mount.nfs: an incorrect mount option was specified
I tried using the 2 following lines in my fstab on my laptop but nothing works:
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I'm no guru when it comes to nfs sharing etc, but I really can't see what I am missing here, nor whatelse can I try!
Any idea will be more than welcome!
Thanks in advance
Ludo

I finally solved this problem after 4 months after someone posted a similar issue with Arch few days ago...
He said to install the iana-etc package... I already had the package but still gave it a go:
[08:15:33][[email protected]]
~ Arch64$ showmount -e 192.168.0.100
clnt_create: RPC: Unknown host
[08:15:41][[email protected]]
~ Arch64$ sudo pacman -Syu iana-etc
Password:
:: Synchronising package databases...
core is up to date
extra is up to date
community is up to date
archlinuxfr is up to date
warning: iana-etc-2.30-1 is up to date -- reinstalling
:: Starting full system upgrade...
resolving dependencies...
looking for inter-conflicts...
Targets (1): iana-etc-2.30-1
Total Download Size: 0.00 MB
Total Installed Size: 0.88 MB
Proceed with installation? [Y/n]
(1/1) checking package integrity [########################################################################################################################] 100%
(1/1) checking for file conflicts [########################################################################################################################] 100%
(1/1) upgrading iana-etc [########################################################################################################################] 100%
[08:20:13][[email protected]]
~ Arch64$ showmount -e 192.168.0.100
Export list for 192.168.0.100:
/to_sort
/mythbox
/Qweb
/Qusb
/Documents
[08:20:18][[email protected]]
~ Arch64$
As you can see, it is now working and I am now completely puzzled...
How come reinstalling this package solved the issue?
Any idea on what the problem was would be more than welcome
Thanks

Mount.nfs: Operation not permitted

I just install/reinstall nfs-utils and rpcbind on my pc, and I can't get rid of this error when trying to mount a nfs host:
root# mount /mnt/metis/home
mount.nfs: Operation not permitted
fstab:
metis:/home /mnt/metis/home defaults,noauto 1 1
Any idea how to fix this ?
thanks,
Olivier
Last edited by my64 (2010-01-08 10:26:17)

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mount.nfs share mount_point -o 'vers=3'
or in /etc/fstab in a line like:
share mount_point nfs vers=3 0 0
When I use vers=3 in my fstab I get an error that the line is bad. This is the exact line :
FileServer:/media/Music/ /media/NFS_Music nfs vers=3 defaults 0 0
Upon running mount -a, I get the error:
[mntent]: line 18 in /etc/fstab is bad
Where's my error?
Thanks

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I assume what you are asking is to make multi selection box as mandatory. If not please explain with a example
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http://webcache.googleusercontent.com/search?q=cache:ItIYeZ8K2gEJ:sharepointkings.blogspot.com/2013/06/make-multi-select-list-box-required-in.html+&cd=4&hl=en&ct=clnk&gl=in&client=firefox-beta
If this helped you resolve your issue, please mark it Answered

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How can I pass multiple conditions in where clause with the join table?
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TD

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Attachments:
24.1.14 data acquisition reverse corrected-1.vi ‏116 KB

Hi perumpadapu,
Can you show me in your code where is this "175" and "125" is coming from? Where do you want to implement your flip logic?
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Can you provide a screenshot to this issue?
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Warmest regards,
Lennard.C
Learning new things everyday...

How do I mount a partition at a specific mount point.

How do I mount a partition at a specific mount point? For example I see a Vol01 disk image, which is a partition of one of my hard drives, sitting on my desktop. Under the disk utility it says that its mount point is /Volumes/Vol01. How do I mount this partition as a file system at /Users?
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How to create a new Condition for tax as VAT ( 4 % ) in SAP ? .

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Pl guide that " How to create a new Condition for tax as VAT ( 4 % ) in SAP ? . What are all necessary requirements to do so , I need to have all steps so that i should feel very confident . For example what data is to be ticked in Control tab during cond. creation , in the same way how to put this cond. in Pricing procedure ? pl write all necessary thing which are required during this process .
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**PS: Please reward points if this helps.

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How do I mount nfs conditionally?

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