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Unknown Error 521

The Bible probably says so and it's rumoured to cause stunted growth and blindness! Format For Printing -XML -Clone This Bug -Top of page First Last Prev Next This bug is not in your last search results. Thanks a lot. Reply Link Amit March 6, 2014, 4:54 amI had this problem and I was sure that files/directory are still available at host. his comment is here

It's a good idea to ensure that all of our IP ranges are whitelisted in your server's firewall or any security software that you might be running. A 521 error occurs because the origin web server refused the connection from Cloudflare. uploadfiles d????????? ? ? ? ? ? Now mseas is not mounting /home.We get the following error[root at mseas etc]# mount mseas-data:/homemount.nfs: Unknown error 521We have tried this mounting with both of the following linesin fstab and got

this resolv the issue of files with ????????? ? ? ? ? ? I've schedule them for maintainamce for Tuesday and it will be possible to re-try with all moisy services switched off and only NFS in use. If it is not in the man pages or the how-to's this is the place! If so you may want to transition bug 452430 to an e2fsprogs bug, though I'm not sure whether it'll be fixed this close to F8's EOL.

Hence the unknown error 521 message... Using the NOAC option significantly reduces the frequency of occurrence, but also significantly reduces write speed to the mounted files, even within one open/write/close session, the write is greatly slowed. This leads to some of our IPs being blocked or rate-limited. Pat -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Pat Haley Email: phaley at mit.edu Center for Pat Haley at Dec 5, 2013 at 7:18 pm ⇧ Hi Mike,I think v3 but I'm not sure (how do

I just apply it at the parent directory of the one causing the error. f10server# mount f8server:/export/partition /mnt/nfs/ Actual results: Error message: mount.nfs: Unknown error 521 Expected results: A meaningful error message: Permission Denied, Time-Out, etc. I tried reverting back to theset ups on both machines before we enabled quotas.Rebooted both machines. why not try these out When a server reboots, the server (intentionally) will have no record of the unique ID, hence the client will get an error when it tries to access the remote file system.

or success. The problem is that without the mountd communications we can't tell whether this is a client or server problem. I was NOT able to mount the NFS shares from the server into the server. mail d????????? ? ? ? ? ?

Comment 10 Jeff Layton 2009-01-17 06:29:57 EST The capture shouldn't take long and I can filter out what we don't need to see. why not find out more There are numerous ways this breakage can happen on the Linux NFS server. Something like this from the client: # tcpdump -i [ifname] -s0 -w /tmp/mount-attempt.pcap host [server] ...then attempt the mount. My website is slow or having performance issues Why do my server logs show CloudFlare's IPs using CloudFlare?

Giving back to the community by blogging about my problems, solutions and practical howto's. this content The corresponding lines of /etc/fstab of FC10 clients are 10.1.1.1:/ /master nfs rsize=8192,wsize=8192,timeo=14,intr 0 0 10.1.1.1:/huge1/ /master/huge1 nfs rsize=8192,wsize=8192,timeo=14,intr 0 0 10.1.1.1:/huge2/ /master/huge2 nfs rsize=8192,wsize=8192,timeo=14,intr 0 0 10.1.1.1:/oldroot/ /master/oldroot nfs rsize=8192,wsize=8192,timeo=14,intr Looking at my router i found that i had a Dynamic DHCP address. This is all assuming simple umount / mount and/or kill / restart stuff doesn't work.*cough*network failure system*cough* Reply Link Dot2Kode January 30, 2010, 3:56 amNice thanks for the tip…Simple 2 commands

This is an old "trap", the user is creating a net work drive "x:", but x: is unknown to the Cerberus program as it is running as a different user. Thank you very much! Reply Link John J April 1, 2010, 4:12 pmusing rpc.statd is better as it constantly checks the state of the nfs system and keeps the mount status up to date. weblink I dont really have anything to umount of in busy stateAny idea appreciatedthx Nicola Reply Link NoFingers September 30, 2013, 10:02 amThe `ls -alh’ always works fine with me.

Autofs works fine, but is not timing out the mounts after the resource is left. Related Articles GlusterFS Installation and Configuration March 6, 2016 Debian malware detection with Maldetect October 21, 2014 Debian PPTP Client Configuration April 20, 2014 Linux: Delete Files Older Than X Days Now mseas is not mounting /home.We get the following error[root at mseas etc]# mount mseas-data:/homemount.nfs: Unknown error 521We have tried this mounting with both of the following linesin fstab and got

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Downloads About Privacy Contact VION Technology Blog Giving back to the community General Networking Development Database Telephony Blogging Home » General » Restart to solve NFS Unknown error 521 Restart to After consulting with the svn mailing list,it appeared to be a communication issue between mseas and mseas-data.We therefore rebooted mseas. Cloudflare Support Troubleshooting Error Pages > Error 521: Web server is down Error 521: Web server is down Michelle Zatlyn December 03, 2016 07:54 Follow When you visit a website using Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community.

Reply Link Amar Joshi February 3, 2015, 10:05 amI am facing issue on my NFS filesystem. Rebooted both machines. Hope that clarifies things. check over here Still cannot mount /homefrom the client (mseas).Thanks.Hi,Just before the Thanksgiving break, we enabled quotas onthe /home areas on the mseas-data server (running CentOS 5.8),using the following line in the updated /etc/fstab/dev/mapper/the_raid-lv_home

Then i get an error in the logfile which you can see below:20090906164246 Intel with 2 processors20090906164246 Microsoft Windows Server 2003 "R2" Standard x64 Edition 20090906164246 Cerberus FTP Server 3.0.3 (x64) You may also (though I'm not certain) be able to work around that by assigning explicit fsid values to your exports. We get the Stale handles between RedHat Ent. Our IP ranges can be found here: https://www.cloudflare.com/ips Advanced users: How to test against your server  You can test whether your origin is responding by using the ‘curl’ command (accessible via