New Sun Server

New Sun Server

Post by Joe » Wed, 28 Jun 2006 00:24:21



Hi All,

When I enter the cmd "df" I get the following response:
Filesystem             size   used  avail capacity  Mounted on
/dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
proc                     0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
swap                    15G   992K    15G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
fd                       0K     0K     0K     0%    /dev/fd
/dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
swap                    15G   912K    15G     1%    /tmp
swap                    15G    48K    15G     1%    /var/run
/dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
/dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

Thanks
Joe

 
 
 

New Sun Server

Post by Richar » Wed, 28 Jun 2006 00:31:47


loopback nfs mount maybe?
What does you /etc/vfstab look like?

> Hi All,

> When I enter the cmd "df" I get the following response:
> Filesystem             size   used  avail capacity  Mounted on
> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
> /devices                 0K     0K     0K     0%    /devices
> ctfs                     0K     0K     0K     0%    /system/contract
> proc                     0K     0K     0K     0%    /proc
> mnttab                   0K     0K     0K     0%    /etc/mnttab
> swap                    15G   992K    15G     1%    /etc/svc/volatile
> objfs                    0K     0K     0K     0%    /system/object
> fd                       0K     0K     0K     0%    /dev/fd
> /dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
> swap                    15G   912K    15G     1%    /tmp
> swap                    15G    48K    15G     1%    /var/run
> /dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

> Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

> Thanks
> Joe


 
 
 

New Sun Server

Post by Joe » Wed, 28 Jun 2006 00:54:27


This is what the bfstab look like:
 #device         device          mount           FS      fsck    mount
 mount
#to mount       to fsck         point           type    pass    at boot
options
#
fd      -       /dev/fd fd      -       no      -
/proc   -       /proc   proc    -       no      -
/dev/dsk/c1t0d0s1       -       -       swap    -       no      -
/dev/dsk/c1t0d0s0       /dev/rdsk/c1t0d0s0      /       ufs     1
no
logging
/dev/dsk/c1t0d0s5       /dev/rdsk/c1t0d0s5      /var    ufs     1
no
logging
/dev/dsk/c1t1d0s3       /dev/rdsk/c1t1d0s3      /opt    ufs     4
yes
logging
/devices        -       /devices        devfs   -       no      -
ctfs    -       /system/contract        ctfs    -       no      -
objfs   -       /system/object  objfs   -       no      -
swap    -       /tmp    tmpfs   -       yes     -

I created the /opt slice last friday. We are going use opt which on the
2nd drive (136gb) Only using 76gb from it.

Thanks
Joe


> loopback nfs mount maybe?
> What does you /etc/vfstab look like?


> > Hi All,

> > When I enter the cmd "df" I get the following response:
> > Filesystem             size   used  avail capacity  Mounted on
> > /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
> > /devices                 0K     0K     0K     0%    /devices
> > ctfs                     0K     0K     0K     0%    /system/contract
> > proc                     0K     0K     0K     0%    /proc
> > mnttab                   0K     0K     0K     0%    /etc/mnttab
> > swap                    15G   992K    15G     1%    /etc/svc/volatile
> > objfs                    0K     0K     0K     0%    /system/object
> > fd                       0K     0K     0K     0%    /dev/fd
> > /dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
> > swap                    15G   912K    15G     1%    /tmp
> > swap                    15G    48K    15G     1%    /var/run
> > /dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
> > /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

> > Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

> > Thanks
> > Joe

 
 
 

New Sun Server

Post by medii » Wed, 28 Jun 2006 01:31:06


It looks like your root directory is auto mounted as "server". So track
it down by looking for "/server" in your /etc/auto_master file...
remove it  if you don't want it.

Make sure you "unexport" your shared file systems as well.

$ dfshares
RESOURCE                                  SERVER ACCESS    TRANSPORT
      server1:/export/home/mediis            server1  -         -

$ sudo unshareall
$ dfshares                              # nothing should return

... and comment out yoru /etc/dfs/dfstab

--mediis


> Hi All,

> When I enter the cmd "df" I get the following response:
> Filesystem             size   used  avail capacity  Mounted on
> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
> /devices                 0K     0K     0K     0%    /devices
> ctfs                     0K     0K     0K     0%    /system/contract
> proc                     0K     0K     0K     0%    /proc
> mnttab                   0K     0K     0K     0%    /etc/mnttab
> swap                    15G   992K    15G     1%    /etc/svc/volatile
> objfs                    0K     0K     0K     0%    /system/object
> fd                       0K     0K     0K     0%    /dev/fd
> /dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
> swap                    15G   912K    15G     1%    /tmp
> swap                    15G    48K    15G     1%    /var/run
> /dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

> Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

> Thanks
> Joe

 
 
 

New Sun Server

Post by Michael Tosc » Wed, 28 Jun 2006 01:37:13



> This is what the bfstab look like:
>  #device         device          mount           FS      fsck    mount
>  mount
> #to mount       to fsck         point           type    pass    at boot
> options
> #
> fd      -       /dev/fd fd      -       no      -
> /proc   -       /proc   proc    -       no      -
> /dev/dsk/c1t0d0s1       -       -       swap    -       no      -
> /dev/dsk/c1t0d0s0       /dev/rdsk/c1t0d0s0      /       ufs     1
> no
> logging
> /dev/dsk/c1t0d0s5       /dev/rdsk/c1t0d0s5      /var    ufs     1
> no
> logging
> /dev/dsk/c1t1d0s3       /dev/rdsk/c1t1d0s3      /opt    ufs     4
> yes
> logging
> /devices        -       /devices        devfs   -       no      -
> ctfs    -       /system/contract        ctfs    -       no      -
> objfs   -       /system/object  objfs   -       no      -
> swap    -       /tmp    tmpfs   -       yes     -

> I created the /opt slice last friday. We are going use opt which on the
> 2nd drive (136gb) Only using 76gb from it.

> Thanks
> Joe


>> loopback nfs mount maybe?
>> What does you /etc/vfstab look like?


>>> Hi All,

>>> When I enter the cmd "df" I get the following response:
>>> Filesystem             size   used  avail capacity  Mounted on
>>> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
>>> /devices                 0K     0K     0K     0%    /devices
>>> ctfs                     0K     0K     0K     0%    /system/contract
>>> proc                     0K     0K     0K     0%    /proc
>>> mnttab                   0K     0K     0K     0%    /etc/mnttab
>>> swap                    15G   992K    15G     1%    /etc/svc/volatile
>>> objfs                    0K     0K     0K     0%    /system/object
>>> fd                       0K     0K     0K     0%    /dev/fd
>>> /dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
>>> swap                    15G   912K    15G     1%    /tmp
>>> swap                    15G    48K    15G     1%    /var/run
>>> /dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
>>> /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

>>> Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

>>> Thanks
>>> Joe

you obviously have done a df -hl
which includes loop-back mounts and has the above output.

Try
\df
to see the defaults.

You can umount it by the command
umount /net/server

/net is normally handled by automounter.
If you do not want this feature,
you can disable the "/net -hosts" line in /etc/auto_master
and activate with command "automount".

--

 
 
 

New Sun Server

Post by Joe » Wed, 28 Jun 2006 02:17:32


Mediis,

What is the benefit of having the /net/server mount another partition
of / ?

The /net/server mount isn't shares. I  have no enteries in dfstab.
The /net/server mounts on its own after I do a restart.

less /etc/auto_master
#
# Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Master map for automounter
#
+auto_master
/net            -hosts          -nosuid,nobrowse
/home           auto_home       -nobrowse
(END)

I just rebooted now and it has stopped mounting /net/server(servername)

Thanks for the advices.
Joe


> It looks like your root directory is auto mounted as "server". So track
> it down by looking for "/server" in your /etc/auto_master file...
> remove it  if you don't want it.

> Make sure you "unexport" your shared file systems as well.

> $ dfshares
> RESOURCE                                  SERVER ACCESS    TRANSPORT
>       server1:/export/home/mediis            server1  -         -

> $ sudo unshareall
> $ dfshares                              # nothing should return

> ... and comment out yoru /etc/dfs/dfstab

> --mediis


> > Hi All,

> > When I enter the cmd "df" I get the following response:
> > Filesystem             size   used  avail capacity  Mounted on
> > /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /
> > /devices                 0K     0K     0K     0%    /devices
> > ctfs                     0K     0K     0K     0%    /system/contract
> > proc                     0K     0K     0K     0%    /proc
> > mnttab                   0K     0K     0K     0%    /etc/mnttab
> > swap                    15G   992K    15G     1%    /etc/svc/volatile
> > objfs                    0K     0K     0K     0%    /system/object
> > fd                       0K     0K     0K     0%    /dev/fd
> > /dev/dsk/c1t0d0s5      5.8G   1.0G   4.7G    19%    /var
> > swap                    15G   912K    15G     1%    /tmp
> > swap                    15G    48K    15G     1%    /var/run
> > /dev/dsk/c1t1d0s3       79G    64M    78G     1%    /opt
> > /dev/dsk/c1t0d0s0       11G   4.4G   6.1G    42%    /net/server

> > Why an I getting 2 /dev/dsk/c1t0d0s0  mounts? What di I fix this issue?

> > Thanks
> > Joe

 
 
 

New Sun Server

Post by James Carlso » Wed, 28 Jun 2006 03:21:58



> What is the benefit of having the /net/server mount another partition
> of / ?

It's not another "partition."

It's just a lofs mount.  This is done so that NFS access of a local
device doesn't go through NFS itself.  It's perfectly normal, and is
done automatically by automountd.

You can distinguish these mounts by using "df -F lofs" (or "df -F
ufs") to see those of a particular type, or use "mount -p" to see the
in-kernel mount table.

--

Sun Microsystems / 1 Network Drive         71.232W   Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757   42.496N   Fax +1 781 442 1677

 
 
 

1. New sun server is very slow?

I am having a problem with my server transmitting at a very slow rate.
Below is a test that I did to confirm that this is in fact true.

What I would like is some suggestions as to how I can diagnose this
problem.  The server is new and has essentially no traffic and should
not be
running so slow. Is there some software that I can get to help find the
problem?

I would appreciate any help or guidence that you can give.

This is the test that I did to check the performance of the server.
I downloaded a graphic from the disney site and placed it on 4 servers.
I then went to each page and timed the download time and the high and
low transmission rate during the download.

1) "http://www.oravax.com/disney.jpg"  (tiac)
2) "http://www.panametrics.com/disney.jpg"  (uunet)
3) "http://www.echolab.com/disney.jpg" (servint)
4) "http://www.1stomni.com/disney.jpg" (my server)

Results for a 35k file

Tiac      3.0-3.2k 13 sec   3.1-3.6k 14 sec   2.9-3.2k 13 sec
UUNet     3.4-3.9k 13 sec   3.2-3.7k 13 sec   2.9-3.3k 13 sec
Servint   3.1-3.4k 13 sec   2.9-3.6k 15 sec   3.2-3.7k 13 sec
1stOmni   1.1-1.3k 32 sec   1.0-2.4k 35 sec   1.1-1.6k 35 sec *

*The download time is 150% slower for my server.

The server is a brand new Sun UltraSparc Netra i ($12,000). 167mhz with
64mb ram running apache 1.2b10. The connection is a 10BaseT ethernet to
the backbone of MAI.net (multiple t-3's)

Thanks

David Borgesen
1stomni

617-788-9382

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