2012/7/12, b khosravi <bkh...@gmail.com>: > UNSUBSCRIBE > > 2012/7/6, Song Gao <song.gao.b...@gmail.com>: >> OK. A feedback from NFS community indicates that, the reason why >> replacing /some-dir with /export/some-dir solved the problem was that, >> NFSv4 client failed to find the right path on NFS server, so it fell >> back to NFSv2. >> >> However, in the reply from mail list(http://www.spinics.net/lists/linux- >> nfs/msg31326.html ), Bruce also mentioned an outdated part in this >> document. Following is the quoted text: >> >>> The advice to use "fsid=0" in the ubuntu howto is out of date. With a >>> recent server you should just export and mount /export/tigers as you >>> would with NFSv3. >> >> -- >> You received this bug notification because you are subscribed to ubuntu- >> docs in Ubuntu. >> https://bugs.launchpad.net/bugs/1019938 >> >> Title: >> SettingUpNFSHowTo possible mistake >> >> Status in “ubuntu-docs” package in Ubuntu: >> New >> >> Bug description: >> In "NFSv4 client" section, "Note that nfs-server:/export is not >> necessary in NFSv4" is probably not true. >> >> I have a 32 nodes KVM cluster. NFS, host filesystem, KVM storage pool, >> are all placed on SSD. KVM guests are connected to host through virtio >> drived GB ethernet. >> >> I followed this guide to configure NFS: >> https://help.ubuntu.com/community/SettingUpNFSHowTo >> >> The problem was that, when I execute a program simultaneously (through >> cssh) on 32 nodes, there were always a number of nodes that >> encountered "input/output error". The /var/log/messages on client >> shows "state manager failed on NFSv4 server with error 10022". >> >> Interestingly, by changing the item in /etc/fstab from: >> some-host:/some-dir /nfs nfs rw,bg,hard,intr 0 0 >> into: >> some-host:/export/some-dir /nfs nfs rw,bg,hard,intr 0 >> 0 >> fixed the problem. >> >> I don't know how exactly this happens. It's probably caused by some >> problem in NFS server when it tries to find the right path when all 32 >> clients are trying to mount NFS at the same time. >> It's probably a bug in NFS but before it is fixed in NFS, should the >> Wiki >> give the instruction that /export is necessary? >> >> To manage notifications about this bug go to: >> https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs/+bug/1019938/+subscriptions >> >
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1019938 Title: SettingUpNFSHowTo possible mistake To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs/+bug/1019938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
