Yes, I put a "ls /glusterfs" in my mount script. I tried using the
very latest fuse (2.7.4) and the problem was still there.
Dan Parsons
On Jan 13, 2009, at 11:57 PM, Anand Avati wrote:
Dan,
This is because in some cases fuse does not lookup the "/" of the
filesystem before proceeding to access the entries. A simple
workaround is to stat or ls the / as soon as you mount. Most of the
application access results in a lookup and everything works fine, but
sometimes not so.
avati
2009/1/14 Dan Parsons <dparsons@xxxxxxxx>:
I think I have possibly found some more useful information on this
issue.
It appears that the problem only happens if my first write to dht
is with
'dd'. If I copy a normal file to the system first, everything works
fine
from that point forward.
However, if I unmount gluster and re-mount it, even though my
original files
come back, I still have to copy a regular file again before dd will
work.
Obviously dd is not important to my production use but it is sort
of a
disconcerting bug, I have to say.
Here's some log output:
This happens when I try to use dd first:
2009-01-13 10:45:54 E [dht-helper.c:216:dht_subvol_get_hashed]
dht0: layout
missing path=/ddtest.txt parent=1
2009-01-13 10:45:54 E [dht.c:623:dht_lookup] dht0: no subvolume in
layout
for path=/ddtest.txt
2009-01-13 10:45:54 E [fuse-bridge.c:406:fuse_entry_cbk] glusterfs-
fuse: 2:
LOOKUP() /ddtest.txt => -1 (Invalid argument)
This happens on the first copy of a regular file to gluster:
2009-01-13 10:45:59 W [dht-layout.c:452:dht_layout_normalize] dht0:
directory / looked up first time
2009-01-13 10:45:59 W [dht.c:132:dht_lookup_dir_cbk] dht0: fixing
assignment
on /
From that point onwards, everything works correctly, until I
unmount and
remount, in which case I have to copy a regular file again.
Dan Parsons
On Jan 13, 2009, at 10:08 AM, Dan Parsons wrote:
I have tried that and get the same problem every time.
Dan Parsons
On Jan 13, 2009, at 3:37 AM, Krishna Srinivas wrote:
Dan,
Can you removie the backend directories and re-create it and try
this
again?
Krishna
On Tue, Jan 13, 2009 at 6:31 AM, Dan Parsons <dparsons@xxxxxxxx>
wrote:
I'm unable to make dht work. I simply can't copy files to it
without
getting
the below error. If I make a subdirectory and put files inside
of that,
then
the problem goes away, but it seems like I must be doing something
wrong.
???
Client error message:
2009-01-12 16:54:03 E [dht-helper.c:216:dht_subvol_get_hashed]
dht0:
layout
missing path=/test3.txt parent=1
2009-01-12 16:54:03 E [dht.c:623:dht_lookup] dht0: no subvolume in
layout
for path=/test3.txt
2009-01-12 16:54:03 E [fuse-bridge.c:406:fuse_entry_cbk]
glusterfs-fuse:
2:
LOOKUP() /test3.txt => -1 (Invalid argument)
Command I ran:
dd if=/dev/zero of=/glustertmp/test3.txt bs=1MB count=10
Server config:
############################################################################
# UNIFY
volume posix-unify-brick
type storage/posix
option directory /distfs-storage-space/glusterfs/unify
end-volume
volume server
type protocol/server
option transport-type tcp
option auth.addr.posix-unify-brick.allow 10.8.101.*
subvolumes posix-unify-brick
end-volume
Client config:
#################################################################
# CLIENT-UNIFY-1
volume distfs01-unify-brick
type protocol/client
option transport-type tcp
option remote-host 10.8.101.51
option remote-subvolume posix-unify-brick
end-volume
#################################################################
# CLIENT-UNIFY-2
volume distfs02-unify-brick
type protocol/client
option transport-type tcp
option remote-host 10.8.101.52
option remote-subvolume posix-unify-brick
end-volume
#################################################################
# CLIENT-UNIFY-3
volume distfs03-unify-brick
type protocol/client
option transport-type tcp
option remote-host 10.8.101.53
option remote-subvolume posix-unify-brick
end-volume
#################################################################
# CLIENT-UNIFY-4
volume distfs04-unify-brick
type protocol/client
option transport-type tcp
option remote-host 10.8.101.54
option remote-subvolume posix-unify-brick
end-volume
# END OF CLIENT-UNIFY
################################################################
volume dht0
type cluster/dht
subvolumes distfs01-unify-brick distfs02-unify-brick
distfs03-unify-brick distfs04-unify-brick
end-volume
Dan Parsons
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