Re: NFS in 2.2.1-ac3 - cache not synched ?

G. Allen Morris III (gam3@harpo.ixlabs.com)
Thu, 04 Feb 1999 11:32:56 -0800


I don't see this problem. Here is a script and its output.

------------------ test_cach.sh --------------
#!/bin/sh
host=localhost
mount $host:/tmp /mnt/tmp
echo -- Original
df /mnt/tmp /tmp
dd if=/dev/zero of=/mnt/tmp/bob22 count=8000
echo -- After large file created
df /mnt/tmp /tmp
rm /mnt/tmp/bob22
echo -- After large file deleted
df /mnt/tmp /tmp
sleep 5
echo -- After delay
df /mnt/tmp /tmp
-----------------------------------------------

-- Original
Filesystem 1024-blocks Used Available Capacity Mounted on
harpo:/tmp 102440 3470 93680 4% /mnt/tmp
/dev/hdc7 102440 3470 93680 4% /tmp
8000+0 records in
8000+0 records out
-- After large file created
Filesystem 1024-blocks Used Available Capacity Mounted on
harpo:/tmp 102440 7487 89663 8% /mnt/tmp
/dev/hdc7 102440 7487 89663 8% /tmp
-- After large file deleted
Filesystem 1024-blocks Used Available Capacity Mounted on
harpo:/tmp 102440 7487 89663 8% /mnt/tmp
/dev/hdc7 102440 7487 89663 8% /tmp
-- After delay
Filesystem 1024-blocks Used Available Capacity Mounted on
harpo:/tmp 102440 3470 93680 4% /mnt/tmp
/dev/hdc7 102440 3470 93680 4% /tmp

>>>Thierry Danis said:
> >
> > > It writes a 1,8 Gb file, rereads it, then unlinks it and exits (iozone
> > > test program).
> >
> > Ok
> >
> > > Once the file has been unlinked, I verify that it has disappeared on
> > > both ends (serveur and client). But a 'df' indicates that the space
> > > is still used (ie, there is still 1,8 Gb used on the serveur partition).
> >

---------------------------------
G. Allen Morris III

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