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Subject: RE: Problem creating files using NFS. need help.
Date: Sat, 8 Mar 2008 11:00:37 -0700
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Thread-Topic: Problem creating files using NFS. need help.
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From: "Vikas Saini" <vikas.saini@onstor.com>
To: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>,
	"Larry Scheer" <larry.scheer@onstor.com>,
	"Henry Lau" <henry.lau@onstor.com>
Cc: "dl-Cougar" <dl-Cougar@onstor.com>,
	"John Rogers" <john.rogers@onstor.com>

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Thanks Max... btw this happened on 3 different filers using 3 different =
client, each on different network switch but it might be network issue.=20

John Rogers,
    can we check the network switches and see if anything wrong in =
there. we saw this issues on filers g11r204,g14r10,g9r204.


Vikas



-----Original Message-----
From: Maxim Kozlovsky
Sent: Fri 3/7/2008 6:29 PM
To: Larry Scheer; Henry Lau; Vikas Saini
Cc: dl-Cougar
Subject: RE: Problem creating files using NFS. need help.
=20
Vikas,

=20

It is just you:

=20

sudo mount 10.3.204.204:/g11r204_bkup1 /2

maximk@maxk-linux:/m/ws/wireshark-0.99.4/plugins/agentx$ ls -l /2

total 8

-rw-r--r-- 1 root root    0 Mar  7 16:40 file0

drwx------ 2 root root 1024 Mar  7 15:13 lost+found

=20

sudo dd if=3D/dev/zero of=3D/2/file1 bs=3D8k count=3D64

64+0 records in

64+0 records out

524288 bytes (524 kB) copied, 0.0160548 seconds, 32.7 MB/s

maximk@maxk-linux:/m/ws/wireshark-0.99.4/plugins/agentx$ ls -l /2/file1

-rw-r--r-- 1 root root 524288 Mar  7 18:25 /2/file1

=20

This could be some network problem. File help desk request.

=20

By the way, what is the reason to mount the NFS soft? Did you read the =
man page which says this is not recommended?

=20

Max

=20

________________________________

From: Larry Scheer=20
Sent: Friday, March 07, 2008 6:17 PM
To: Henry Lau; Vikas Saini
Cc: dl-Cougar
Subject: RE: Problem creating files using NFS. need help.

=20

I  ran a dd loop from 10.2.6.102 to g4r5 and did not have any problems.

=20

Larry

=20

________________________________

From: Henry Lau=20
Sent: Friday, March 07, 2008 5:32 PM
To: Vikas Saini
Cc: dl-Cougar
Subject: RE: Problem creating files using NFS. need help.

=20

There are lots of NFS RPC retransmission occur during write from client =
to filer.=20

=20

Henry

=20

________________________________

From: Vikas Saini=20
Sent: Friday, March 07, 2008 5:29 PM
To: Vikas Saini; dl-Cougar
Subject: RE: Problem creating files using NFS. need help.

=20

Anyone ????

=20

=20

=20

________________________________

From: Vikas Saini=20
Sent: Friday, March 07, 2008 4:54 PM
To: dl-Cougar
Subject: Problem creating files using NFS. need help.
Importance: High

=20

=20

Hi All,

   I am trying to create some dataset using sub11 =
take2(R4.0.0.0CGDBG-030608). but it is failing for some reason. I have =
tried different clients and even different filers for that sake but same =
results.=20

=20

can anyone help in diagnosing the problem. I am attaching the ethereal =
trace.

=20

Incase someone wants to debug. Filer SSC ip is 10.2.204.11 and client I =
am using is 10.2.15.24. Below is what I tried from client side.

=20

=20

=20

[root@c24r15-rh80 root]#

[root@c24r15-rh80 root]#

[root@c24r15-rh80 root]# showmount 10.3.204.204

Hosts on 10.3.204.204:

10.0.0.159

[root@c24r15-rh80 root]# showmount -e 10.3.204.204

Export list for 10.3.204.204:

/g11r204_bkup1 *

/g11r204_rest1 *

[root@c24r15-rh80 root]#

[root@c24r15-rh80 root]# mkdir /mnt/g11r204_bkup1

[root@c24r15-rh80 root]# mount -o soft,intr 10.3.204.204:/g11r204_bkup1 =
/mnt/g11r204_bkup1

[root@c24r15-rh80 root]# cd /mnt/g11r204_bkup1

[root@c24r15-rh80 g11r204_bkup1]# ls

lost+found

[root@c24r15-rh80 g11r204_bkup1]#

[root@c24r15-rh80 g11r204_bkup1]# dd if=3D/dev/zero of=3Dfile0 bs=3D8k =
count=3D64

64+0 records in

64+0 records out

dd: closing output file `file0': Input/output error

[root@c24r15-rh80 g11r204_bkup1]# ls -l

total 8

-rw-r--r--    1 root     root            0 Mar  7 17:54 file0

drwx------    2 root     root         1024 Mar  7 15:13 lost+found

[root@c24r15-rh80 g11r204_bkup1]#

=20

=20

SSC Console for that duration.

=20

Mar  7 16:10:31 g11r204 : 0:0:ssh:NOTICE: 'root' logged in through =
remote host(vikass-winxp.onstor.net)

=20

=20

Mar  7 16:13:32 g11r204 kernel: tx1: 36: Created mount entry =
0x1003d6d300, centry=3D0x100533c080, raddr=3D0x180f030a, =
share_id=3D0x2720, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1

Mar  7 16:13:32 g11r204 kernel: tx1:

Mar  7 16:13:32 g11r204 : 1:1:nfs:INFO: 36: Created mount entry =
0x1003d6d300, centry=3D0x100533c080, raddr=3D0x180f030a, =
share_id=3D0x2720, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1

Mar  7 16:13:50 g11r204 : 0:0:nfxsh:NOTICE: cmd[0]: vsvr show all : =
status[0]

Mar  7 16:13:55 g11r204 : 0:0:nfxsh:NOTICE: cmd[1]: vsvr show =
G11R204_DURAI1 : status[0]

Mar  7 16:31:33 g11r204 -- MARK --

Mar  7 16:40:04 g11r204 kernel: tx1: 37: Created mount entry =
0x1003d6d400, centry=3D0x100533ed00, raddr=3D0x180f030a, =
share_id=3D0x2721, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1

Mar  7 16:40:04 g11r204 kernel: tx1:

Mar  7 16:40:04 g11r204 : 1:1:nfs:INFO: 37: Created mount entry =
0x1003d6d400, centry=3D0x100533ed00, raddr=3D0x180f030a, =
share_id=3D0x2721, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1

=20

=20

Mar  7 16:51:33 g11r204 -- MARK --



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<P><FONT SIZE=3D2>Thanks Max... btw this happened on 3 different filers =
using 3 different client, each on different network switch but it might =
be network issue.<BR>
<BR>
John Rogers,<BR>
&nbsp;&nbsp;&nbsp; can we check the network switches and see if anything =
wrong in there. we saw this issues on filers g11r204,g14r10,g9r204.<BR>
<BR>
<BR>
Vikas<BR>
<BR>
<BR>
<BR>
-----Original Message-----<BR>
From: Maxim Kozlovsky<BR>
Sent: Fri 3/7/2008 6:29 PM<BR>
To: Larry Scheer; Henry Lau; Vikas Saini<BR>
Cc: dl-Cougar<BR>
Subject: RE: Problem creating files using NFS. need help.<BR>
<BR>
Vikas,<BR>
<BR>
<BR>
<BR>
It is just you:<BR>
<BR>
<BR>
<BR>
sudo mount 10.3.204.204:/g11r204_bkup1 /2<BR>
<BR>
maximk@maxk-linux:/m/ws/wireshark-0.99.4/plugins/agentx$ ls -l /2<BR>
<BR>
total 8<BR>
<BR>
-rw-r--r-- 1 root root&nbsp;&nbsp;&nbsp; 0 Mar&nbsp; 7 16:40 file0<BR>
<BR>
drwx------ 2 root root 1024 Mar&nbsp; 7 15:13 lost+found<BR>
<BR>
<BR>
<BR>
sudo dd if=3D/dev/zero of=3D/2/file1 bs=3D8k count=3D64<BR>
<BR>
64+0 records in<BR>
<BR>
64+0 records out<BR>
<BR>
524288 bytes (524 kB) copied, 0.0160548 seconds, 32.7 MB/s<BR>
<BR>
maximk@maxk-linux:/m/ws/wireshark-0.99.4/plugins/agentx$ ls -l =
/2/file1<BR>
<BR>
-rw-r--r-- 1 root root 524288 Mar&nbsp; 7 18:25 /2/file1<BR>
<BR>
<BR>
<BR>
This could be some network problem. File help desk request.<BR>
<BR>
<BR>
<BR>
By the way, what is the reason to mount the NFS soft? Did you read the =
man page which says this is not recommended?<BR>
<BR>
<BR>
<BR>
Max<BR>
<BR>
<BR>
<BR>
________________________________<BR>
<BR>
From: Larry Scheer<BR>
Sent: Friday, March 07, 2008 6:17 PM<BR>
To: Henry Lau; Vikas Saini<BR>
Cc: dl-Cougar<BR>
Subject: RE: Problem creating files using NFS. need help.<BR>
<BR>
<BR>
<BR>
I&nbsp; ran a dd loop from 10.2.6.102 to g4r5 and did not have any =
problems.<BR>
<BR>
<BR>
<BR>
Larry<BR>
<BR>
<BR>
<BR>
________________________________<BR>
<BR>
From: Henry Lau<BR>
Sent: Friday, March 07, 2008 5:32 PM<BR>
To: Vikas Saini<BR>
Cc: dl-Cougar<BR>
Subject: RE: Problem creating files using NFS. need help.<BR>
<BR>
<BR>
<BR>
There are lots of NFS RPC retransmission occur during write from client =
to filer.<BR>
<BR>
<BR>
<BR>
Henry<BR>
<BR>
<BR>
<BR>
________________________________<BR>
<BR>
From: Vikas Saini<BR>
Sent: Friday, March 07, 2008 5:29 PM<BR>
To: Vikas Saini; dl-Cougar<BR>
Subject: RE: Problem creating files using NFS. need help.<BR>
<BR>
<BR>
<BR>
Anyone ????<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
________________________________<BR>
<BR>
From: Vikas Saini<BR>
Sent: Friday, March 07, 2008 4:54 PM<BR>
To: dl-Cougar<BR>
Subject: Problem creating files using NFS. need help.<BR>
Importance: High<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
Hi All,<BR>
<BR>
&nbsp;&nbsp; I am trying to create some dataset using sub11 =
take2(R4.0.0.0CGDBG-030608). but it is failing for some reason. I have =
tried different clients and even different filers for that sake but same =
results.<BR>
<BR>
<BR>
<BR>
can anyone help in diagnosing the problem. I am attaching the ethereal =
trace.<BR>
<BR>
<BR>
<BR>
Incase someone wants to debug. Filer SSC ip is 10.2.204.11 and client I =
am using is 10.2.15.24. Below is what I tried from client side.<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
[root@c24r15-rh80 root]#<BR>
<BR>
[root@c24r15-rh80 root]#<BR>
<BR>
[root@c24r15-rh80 root]# showmount 10.3.204.204<BR>
<BR>
Hosts on 10.3.204.204:<BR>
<BR>
10.0.0.159<BR>
<BR>
[root@c24r15-rh80 root]# showmount -e 10.3.204.204<BR>
<BR>
Export list for 10.3.204.204:<BR>
<BR>
/g11r204_bkup1 *<BR>
<BR>
/g11r204_rest1 *<BR>
<BR>
[root@c24r15-rh80 root]#<BR>
<BR>
[root@c24r15-rh80 root]# mkdir /mnt/g11r204_bkup1<BR>
<BR>
[root@c24r15-rh80 root]# mount -o soft,intr 10.3.204.204:/g11r204_bkup1 =
/mnt/g11r204_bkup1<BR>
<BR>
[root@c24r15-rh80 root]# cd /mnt/g11r204_bkup1<BR>
<BR>
[root@c24r15-rh80 g11r204_bkup1]# ls<BR>
<BR>
lost+found<BR>
<BR>
[root@c24r15-rh80 g11r204_bkup1]#<BR>
<BR>
[root@c24r15-rh80 g11r204_bkup1]# dd if=3D/dev/zero of=3Dfile0 bs=3D8k =
count=3D64<BR>
<BR>
64+0 records in<BR>
<BR>
64+0 records out<BR>
<BR>
dd: closing output file `file0': Input/output error<BR>
<BR>
[root@c24r15-rh80 g11r204_bkup1]# ls -l<BR>
<BR>
total 8<BR>
<BR>
-rw-r--r--&nbsp;&nbsp;&nbsp; 1 root&nbsp;&nbsp;&nbsp;&nbsp; =
root&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 =
Mar&nbsp; 7 17:54 file0<BR>
<BR>
drwx------&nbsp;&nbsp;&nbsp; 2 root&nbsp;&nbsp;&nbsp;&nbsp; =
root&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1024 Mar&nbsp; 7 =
15:13 lost+found<BR>
<BR>
[root@c24r15-rh80 g11r204_bkup1]#<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
SSC Console for that duration.<BR>
<BR>
<BR>
<BR>
Mar&nbsp; 7 16:10:31 g11r204 : 0:0:ssh:NOTICE: 'root' logged in through =
remote host(vikass-winxp.onstor.net)<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
Mar&nbsp; 7 16:13:32 g11r204 kernel: tx1: 36: Created mount entry =
0x1003d6d300, centry=3D0x100533c080, raddr=3D0x180f030a, =
share_id=3D0x2720, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1<BR>
<BR>
Mar&nbsp; 7 16:13:32 g11r204 kernel: tx1:<BR>
<BR>
Mar&nbsp; 7 16:13:32 g11r204 : 1:1:nfs:INFO: 36: Created mount entry =
0x1003d6d300, centry=3D0x100533c080, raddr=3D0x180f030a, =
share_id=3D0x2720, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1<BR>
<BR>
Mar&nbsp; 7 16:13:50 g11r204 : 0:0:nfxsh:NOTICE: cmd[0]: vsvr show all : =
status[0]<BR>
<BR>
Mar&nbsp; 7 16:13:55 g11r204 : 0:0:nfxsh:NOTICE: cmd[1]: vsvr show =
G11R204_DURAI1 : status[0]<BR>
<BR>
Mar&nbsp; 7 16:31:33 g11r204 -- MARK --<BR>
<BR>
Mar&nbsp; 7 16:40:04 g11r204 kernel: tx1: 37: Created mount entry =
0x1003d6d400, centry=3D0x100533ed00, raddr=3D0x180f030a, =
share_id=3D0x2721, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1<BR>
<BR>
Mar&nbsp; 7 16:40:04 g11r204 kernel: tx1:<BR>
<BR>
Mar&nbsp; 7 16:40:04 g11r204 : 1:1:nfs:INFO: 37: Created mount entry =
0x1003d6d400, centry=3D0x100533ed00, raddr=3D0x180f030a, =
share_id=3D0x2721, mnt_inum_snap=3D0x2, gennum=3D0x1 minAuth=3D0, =
maxAuth=3D1<BR>
<BR>
<BR>
<BR>
<BR>
<BR>
Mar&nbsp; 7 16:51:33 g11r204 -- MARK --<BR>
<BR>
<BR>
</FONT>
</P>

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