Re: Limit of 64 Mounted Filesystems
Richard Kaszeta (kaszeta@me.umn.edu)
Mon, 30 Nov 1998 11:39:51 -0600 (CST)
Michel LESPINASSE writes ("Re: Limit of 64 Mounted Filesystems"):
>On Wed, 25 Nov 1998, Richard Kaszeta wrote:
>
>> On my linux machines, running 2.0.36, I've discovered that there is a
>> limit of 64 mounted filesystems. Since I am now using autofs to
>> automount user home directories, on machines such as my web server and
>> my samba server I occasionally hit this limit. (On the client
>> machines it isn't an issue, so I'm only talking about tweaking two or
>> three machines)
>
>I also had this problem because I am mounting a lot of clearcase views at
>my job - I can hardly work with less than 30 mounted filesystems, and the
>64 limit is easy to reach.
>
>> From the 2.0.36 source, I was not able to identify where this limit is
>> set.
>> Any pointers?
>
>You can change your NR_SUPER in include/linux/fs.h .... I upped it to 256
>and am running without problems with a 2.0.36 kernel
I made this change (to 512, since I have that many mount points), and
it worked for a while, but now I am getting mount failures and the
message
Nov 30 11:30:00 weber kernel: VFS: Sorry, out of unnamed devices
Nov 30 11:30:59 weber last message repeated 28 times
Nov 30 11:31:45 weber last message repeated 40 times
Any ideas?
--
Richard W Kaszeta Graduate Student/Sysadmin
bofh@me.umn.edu University of MN, ME Dept
http://www.menet.umn.edu/~kaszeta
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