==> Regarding Re: [autofs] Newbie needs help with automounter.; Mike Waychison <[EMAIL PROTECTED]> adds:
Michael.Waychison> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Michael.Waychison> William.Crocker wrote: Hello: >> I am new to autofs/automounter and need help understanding the following >> messages which I found in /var/log/messages. >> >> These messages appeared when I tried to change directory to /proj/asic >> on cfl30. >> >> If I stop and then start autofs it will work for a while and then start >> failing again. >> >> Thanks in advance. >> >> Bill >> >> ------------- /var/log/messages ------------- >> >> Oct 9 18:30:31 cfl30 kernel: RPC: Can't bind to reserved port (98). Oct >> 9 18:30:31 cfl30 kernel: NFS: cannot create RPC transport. Oct 9 >> 18:30:31 cfl30 kernel: nfs warning: mount version older than kernel Oct >> 9 18:30:31 cfl30 kernel: RPC: Can't bind to reserved port (98). Oct 9 >> 18:30:31 cfl30 kernel: NFS: cannot create RPC transport. Oct 9 18:30:31 >> cfl30 automount[14622]: >> mount: wrong fs type, bad option, bad >> superblock on 831ntap:/vol/vol0/proj/asic, Oct 9 18:30:31 cfl30 >> automount[14622]: >> or too many mounted file systems Oct 9 18:30:31 >> cfl30 automount[14622]: mount(nfs): nfs: mount failure >> 831ntap:/vol/vol0/proj/asic on /proj/asic Oct 9 18:30:31 cfl30 >> automount[14622]: failed to mount /proj/asic Oct 9 18:30:31 cfl30 >> kernel: RPC: Can't bind to reserved port (98). Oct 9 18:30:31 cfl30 >> kernel: NFS: cannot create RPC transport. Oct 9 18:30:31 cfl30 kernel: >> nfs warning: mount version older than kernel Oct 9 18:30:31 cfl30 >> kernel: RPC: Can't bind to reserved port (98). Oct 9 18:30:31 cfl30 >> automount[14624]: >> mount: wrong fs type, bad option, bad superblock on >> 831ntap:/vol/vol0/proj/asic, Oct 9 18:30:31 cfl30 kernel: NFS: cannot >> create RPC transport. Oct 9 18:30:31 cfl30 automount[14624]: >> or too >> many mounted file systems Oct 9 18:30:31 cfl30 automount[14624]: >> mount(nfs): nfs: mount failure 831ntap:/vol/vol0/proj/asic on /proj/asic >> Oct 9 18:30:31 cfl30 automount[14624]: failed to mount /proj/asic >> Michael.Waychison> This occurs when the kernel can't bind to a reserved Michael.Waychison> port (<1024) when building the rpc transport. In fact, Michael.Waychison> the rpc code further limits the available ports to Michael.Waychison> 1-800. You can try upping the value of Michael.Waychison> XPRT_MAX_RESVPORT in net/sunrpc/xprt.c to 1024, or Michael.Waychison> higher if your nfs servers don't care what port the Michael.Waychison> client is connecting from. Michael.Waychison> This said, this is likely a symptom of one of two Michael.Waychison> things: Make that three things: Michael.Waychison> - - You are mounting hundreds of nfs filesystems (the Michael.Waychison> current code does not multiplex rpc connections at all). Michael.Waychison> - - Automounter ran wild and is mounting filesystems Michael.Waychison> that are not getting freed/umounnted properly. - The automounter has a socket descriptor leak. Bill, please indicate the version of the automounter you are using. We've fixed one socket descriptor leak. I could be convinced there is another. Thanks, Jeff _______________________________________________ autofs mailing list [EMAIL PROTECTED] http://linux.kernel.org/mailman/listinfo/autofs
