Mount.nfs Input/output Error Nolock
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Mount.nfs: Mount(2): Input/output Error Mount.nfs: Mount System Call Failed
vote 1 down vote favorite I have two RHEL5 boxes on a private network together (192.168.2.0/24) and I am trying to export a file system from one to the other but I keep getting the following error: mount.nfs: Input/output error on the client side I see this output: mount: trying 192.168.2.101 prog 100003 vers 3 prot tcp port 2049 mount: trying 192.168.2.101 prog 100005 vers 3 prot tcp port 960 and on the server side rpc: failed to contact portmap I see this: Sep 20 14:14:32 omicron mountd[18739]: authenticated mount request from 192.168.2.87:635 for /srv/nfs/web (/srv/nfs/web) but that's all. I opened up iptables so that the whole 192.168.2.0/24 network is allowed to communicate freely but the public side is locked down to 22,80 etc.... any ideas? linux redhat nfs share|improve this question edited Jun 27 '12 at 12:41 Josh 4,791145799 asked Sep 20 '10 at 14:19 Andrew Watson 9112 add a comment| 5 Answers 5 active oldest votes up vote 1 down vote I had a similar problem, please have a look at this link. And this one. Basically you have to open much more ports. share|improve this answer answered Sep 20 '10 at 14:26 ringø 3,21031938 add a comment| up vote 1 down vote Make sure portmapper is running On centos chkconfig --list | grep portmap To start it on centos and set it to start at boot service portmap start chkconfig portmap on share|improve this answer edited Jun 27 '12 at 12:40 Josh 4,791145799 answered Apr 9 '12 at 21:11 Jason 111 add a comment| up vote 1 down vote For a similar problem, I have added to the syntax of the mount command the following options "-o nolock, udp." mount -o nolock,udp 192.168.4.11:/var/nfs /mnt/nfs/ Apparently this problem when the service nfslook is not 'started' successfully. share|improve this answer answered Fe
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SERVICES Services Overview Education Services Business Critical Services Consulting Services Managed Services Appliance Services CUSTOMER CENTER Customer Center Support Community MyVeritas Customer Success Licensing https://www.veritas.com/support/en_US/article.000014713 Programs Licensing Process ABOUT About Corporate Profile Corporate Leadership Newsroom Research Exchange Investor Relations Careers Legal Contact Us English 中文(简体) English Français Deutsch Italiano 日本語 한국어 http://community.netapp.com/t5/Network-Storage-Protocols-Discussions/Unable-to-cd-to-NFS-mount-Permission-denied/td-p/48439 Português Español USA Site: Veritas Veritas PartnerNet An error occurs while mounting nfs share in SRD mode for RHEL 5.7 Article:000014713 Publish: Article URL:http://www.veritas.com/docs/000014713 Support output error / Article Sign In Remember me Forgot Password? Don't have a Veritas Account? Create a Veritas Account now! Welcome First Last Your Profile Logout Sign in to Subscribe Please sign in to set up your subscription. Close Sign In Print Article Products Article Languages Subscribe to this Article Manage your Subscriptions input output error Problem While mounting nfs share in Symantec Recovery Disk (SRD) mode for RHEL 5.7, the following error occurs: mount: Mounting [machineip]:/mnt/nfs on /mnt/nfs failed : Input/output error Error Message mount: Mounting [machineip]:/mnt/nfs on /mnt/nfs failed : Input/output error Cause By default, in RHEL 5.7 recovery disk environment, the rpc.statd that is required by NFS for remote locking may not be running. In this situation, do local locking using the -o nolock option to connect to NFS share for accessing the recovery points. Solution Run the mount command with the “-o nolock” option using the following syntax: #mount -t nfs -o nolock [MachineIP]:/mnt/nfs /tmp/nfsApplies ToRed Hat Enterprise Linux 5.7 Terms of use for this information are found in Legal Notices.
Related Articles Article Languages x Translated Content Please note that this document is a translation from English, and may have been machine-translated. It is possible that updates have been made toyour search results by suggesting possible matches as you type. Forums Blogs Tech OnTap Newsletter Register · Sign In · Help Products and Solutions FAS, ONTAP and OnCommand Backup and Restore E-Series, SANtricity and Related Plug-ins Virtualization and Cloud Network Storage Protocols AutoSupport and My AutoSupport All Flash FAS, EF-Series, and SolidFire Systems FlexPod and Converged Infrastructure Developer Network NetApp University and Training Community Base Camp NetApp Community : Forums : Products and Solutions : Network Storage Protocols : Network Storage Protocols Discussions : Unable to cd to NFS mount. Permission denied. Subscribe Reply Topic Options Subscribe to RSS Feed Bookmark Subscribe Printer Friendly Page « Message Listing « Previous Topic Next Topic » Options Bookmark Highlight Print Email to a Friend Report Inappropriate Content KRISH_ROCKS Unable to cd to NFS mount. Permission denied. 2014-05-02 06:10 AM Labels: NFS Hello,I have exported root volume to couple of linux servers:~~~~~~~~~~~ /vol/vol0 -sec=sys,rw=linux01:linux02:linux03~~~~~~~~~~~When I'm trying to mount from client, I'm getting "input/output read error". ~~~~~~~~~~~ root@linux03:/# mount 10.123.10.22:/vol/vol0 /tempmount.nfs: Input/output errorroot@linux03:/#~~~~~~~~~~~~After googling I found I can mount the root volume using "nolock" option in mount. However after mounting the share, I'm not able to CD to the NFS mount point. Says permission denied:~~~~~~~~~~root@linux03:/# mount -o nolock,rw 10.123.10.22:/vol/vol0 /temproot@linux03:/# cd /temp-bash: cd: /temp: Permission denied~~~~~~~~~~~~On client /temp have full permission:~~~~~~~~~~~~root@linux03:/# mount -o nolock,rw 10.123.10.22:/vol/vol0 /temproot@linux03:/# ls -l /temp/ls: /temp/: Permission deniedroot@linux03:/# umount /temproot@linux03:/# ls -ld /tempdrwxrwxrwx 2 root root 4096 May 2 12:36 /temproot@linux03:/#~~~~~~~~~~~~root@linux03:/# mount/dev/sda3 on / type ext3 (rw,noatime,data=writeback)proc on /proc type proc (rw)sysfs on /sys type sysfs (rw)devpts on /dev/pts type devpts (rw,gid=5,mode=620)/dev/sda2 on /tmp type ext3 (rw,nosuid,nodev,noatime,data=writeback)/dev/sda1 on /boot type ext3 (rw,noatime,data=writeback)tmpfs on /dev/shm type tmpfs (rw)none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)sunrpc on /var/lib/nfs/rpc_pipe