Hi,
We are seeing allot of messages like this (from /var/log/messages) on
our Linux compute servers (IBM x330 & X335 boxes):
Nov 13 14:49:21 lnx0129 automount[948]: attempting to mount entry /data/lsf
Nov 13 14:50:36 lnx0129 automount[948]: attempting to mount entry /data/alpha1
Nov 13 14:54:52 lnx0129 kernel: VFS: Busy inodes after unmount. Self-destruct in 5
+seconds. Have a nice day...
Nov 13 14:54:52 lnx0129 automount[27090]: expired /data/lsf
Nov 13 14:59:52 lnx0129 automount[27092]: expired /data/alpha1
I was wondering if anyone has ever seen this before? We are using the
RedHat7.2 2.4.9-31Enterprise kernel, we are forced to stay with this
version of kernel because of Clearcase v4.2 support is needed.
I found this blurb from the linux-kernel mailing list:
* From: Tad Dolphay
* Subject: Re: Busy inodes after umount
* Date: Thu, 19 Jul 2001 17:15:38 -0700
I know there was a fix for a "Busy inodes after unmount" problem in
2.4.6-pre3. Here's an excerpt from a posting to the NFS mailing list
from Neil Brown:
-------------Included message-----------------------
Previously anonymous dentries were hashed (though with no name, the
hash was pretty meaningless). This meant that they would hang around
after the last reference was dropped. This was actually fairly
pointless as they would never get referenced again, and caused a real
problem as umount wouldn't discard them and so you got the message
printk("VFS: Busy inodes after unmount. "
"Self-destruct in 5 seconds. Have a nice day...\n");
In 2.4.6-pre3 I stopped hashing those dentries so now when the last
reference is dropped, the dentry is freed. So now there will never be
more anonymous dentries than there are active nfsd threads.
---------------end included message-------------------
So it appears to have been fixed? Anyways please let me know if you
have any comments or questions in regards to this matter. Thanks!
--
Tom Wike Email: [EMAIL PROTECTED]
ITS Design Systems Support Voice: 214-480-2272
Texas Instruments Incorporated Cell: 214-212-4497
12500 TI Boulevard, MS 8714 Pager: 972-648-2012
Dallas, TX 75243-0592 Fax: 214-480-7676
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