Various Ways To Recover A Read-Only Linux NFS File System

You may encounter an error message that the linux nfs file system is read-only. It turns out that there are several different ways to solve this problem, so we’ll talk about it a bit.

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    Network File Sharing (NFS) is a protocol that allows any user to share directories and files through other Linux clients on a network of computers. The NFS file share has been mounted on the client computer, making it available in the same way as folders created locally by your current user.

    Can Linux read NFS?

    Network File System (NFS) is a distributed boot system protocol that allows you to share remote directories directly on a cell tower network. On Linux and UNIX activation systems, you can use the maintain command to mount an NFS shared directory at a specific mount time in the local directory structure.

    I am sharing /share/global/usr/share from a specific server using /usr/share on the NFS buyer. When a client connects to it, I get a “Read-only file system” error.

    $> ls -la /share/global/usr/drwxrwxrwx double man nogroup 4096 december half a dozen 14:37 share

    read only file system linux nfs

    Export: rw for client IP address 192.168.101.250, other internal IP addresses: ro.

    Is NFS a shared file system?

    NFS is a standard Internet client/server protocol developed by Sun Microsystems in 1984 to support exploration of natively stateless shared data (files) on network storage connected to a local area network.

    $> grep usr /etc/exports/share/global/usr/share 192.168.0.0/16(ro,subtree_check,all_squash) 192.168.101.250(rw,subtree_check,all_squash)
    $> show HELLO > /share/global/usr/share/REMOVEME && chmod 666 /share/global/usr/share/REMOVEME && echo okGood

    read only file system linux nfs

    $> address IP address | grep inetInternet 192.168.101.250/24 brd 192.168.101.255 intercontinental scale enp0s8
    $> grep usr /etc/fstab192.168.101.254:/share/global/usr/share /usr/share nfs rsize=8192,wsize=8192,timeo=3,intr,rw

    Mount

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  • 2. Open it and click on the "Restore" button
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  • $> | grep usr192.168.101.254:/share/global/usr/share on /usr/share type nfs4 (rw, relatime, vers=4.0, rsize=8192,wsize=8192,namelen=255,hard,proto=tcp,port=0, timeo=3,retrans=2,sec=sys,clientaddr=192.168.101.250,local_lock=none,addr=192.168.101.254)

    Check

    How do I mount an NFS file as read only?

    If you need to read/write a new directory, the NFS server must read/write the export. – Use ro for data you don’t want anymore, thoby users changed. A phone book automatically mounted by multiple servers must be read-only so that the marks remain the same on all servers. – Its default value is rw.

    $> vii -al /usr/share/REMOVEME-rw-rw-rw-. 1 nfsnobody nfsnobody - December 6 15:14 /usr/share/REMOVEME
    $> sudo -i$> echo foo > /usr/share/REMOVEME-bash: /usr/share/REMOVEME: access denied

    I like everything about the design. Why can’t I write to the website’s shared directory on the client?

    View Full Version: [SOLVED] NFS share is mounted read-only, possibly even with write permissions set


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    Hi everyone, on Fedora 12, I’m trying to set up an NFS server. On the machine’s server, my family and I set up a shared file like this:
    /test 192.168.1.Server 100(rw,sync)
    service restart /sbin/nfs
    do exportfs
    on the defendant’s car
    Enable sharing as:
    mkdir /mnt/nfs
    mount 192.168.1.100:/test/mnt/nfs
    it was built successfully.
    However, when you open the I /mnt/nfs folder, you usually have read-only permissions.
    This is almost the same as installing a remoteUser as local system user:
    /test 192.168.1.100(RW,Sync,no_root_squash)
    – Same if I set my user in the server folder as nfsnobody, after connecting to the user I get the same problem. Permissions for the /test folder include write and (777) delete, and all included files

    I would suggest the following vehicle:

    mount -o rw 192.168.1.100:/test /mnt/nfs

    If that doesn’t help, perhaps you could post the output:

    cat /proc/mounts
    ls /test -la <---- via server
    ls -la /mnt/nfs <---- long client
    And is it possible to create/modify books on the server in the /test site directory?

    Hi everyone, in Fedora 12 we are all trying to set up NFS servers. On the machine’s server, my partner set up a shared file like this:
    /test 192.168.1.Server 100(rw,sync)
    service restart /sbin/nfs
    do exportfs
    on the participant’s computer
    Enable sharing as:
    mkdir /mnt/nfs
    mount 192.168.1.100:/test/mnt/nfs
    it was built successfully.
    However, if you run the I /mnt/nfs folder, you will basically have read permissions.
    The same is due to the fact that the remote user is configured as a local system user.th user:
    /test 192.168.1.100(RW,Sync,no_root_squash)
    – Same as putting the user on the server for nfsnobody. After installation at the buyer’s, I have the same problem. Permissions for the /test folder: write and (777) delete, and work with all included files

    The highlighted parts require an explanation of your amazing part.
    What is “Shared Folder Setup” – be specific.
    “make exportfs” is invalid, the command is meaningless. What are you trying to say right now?
    What would you advise “only have read permissions”! ! Read-only access is a connection condition, not a permission.

    IOW you have provided a hodgepodge of confusing non-information and no one can guess exactly what you mean.

    Post new episode release:
    On the server as root:
    exportfs -v
    ls -ld /test # or any other directory name Reveal

    On client due to root:
    ls -ld /mnt/nfs
    collect | grep nfs

    Then create a file on the client showing the full output of these two commands:
    identifier
    Click /mnt/nfs/foo

    What are the permissions for a connection point? : tick vii -ld/mnt/nfs

    Connection point permissions:

    [[email protected] /]# mark vii -ld /mnt/nfs
    drwxrwxrwx. 2 root heart 4096 04/14/2010 02:10 /mnt/nfs

    ———- Article added at 00:33 CDT ———- Previous post was at 00:11 CDT ———-

    I would suggest going up like this:

    mount -o rw 192.168.1.100:/test /mnt/nfs

    If that doesn’t help, you can add the result:

    cat /proc/mounts
    ls -any /test <---- on server
    ls -la /mnt/nfs <---- on the client
    And do you have the ability to create/modify files on the server in the /test directory?

    Unfortunately, the command in parentheses with the rw parameter did not help, it just extracts.

    cat /proc/mounts displays the following:
    ………………………………..
    192.168.1.16:/test /mnt/nfs nfs 255, hard, proto=tcp, port=65535,timeo=600,retrans=2,rw,relatime,vers=3,rsize=65536,wsize=65536,name=sec =sys,mountaddr=192.168.1.16,mountvers=3,mountport=52936,mountproto=udp,addr=192.168.1.160

    ————————————————– ———–
    ls -la /test <---- Server [[email protected] ~]# ls -la /test
    total 8
    drwxrwxrwx. 2 root root 04/11/2010 4096 20:04 .
    dr-xr-xr-x. .23 .root .root .4096 .2010-04-13 .01:14 …
    -rw-rw-rw-. 1 main root 0 04/11/2010 20:04 test

    ls -la /mnt/nfs <---- with /]# client [[email protected] ls -la /mnt/nfs
    total 8
    drwxrwxrwx. multiple root root 4096 April 11, 2010 8:04 pm.
    drwxrwxrwx. 3 root root 04/11/2010 4096 18:03 ..
    -rw-rw-rw-. 1 main reason 0 04/11/2010 20:04 test

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