SUMMARY : sar -d for cluster volume manager disks

From: <reinaldo.ono_at_copel.com>
Date: Thu Mar 21 2002 - 07:58:06 EST
I receive two suggestions.
Andrew4s suggestion really help me.
Special THANKs for Andrew and Changa who sent me suggestions.

Reinaldo Lums Ono
COPEL DISTRIBUIGCO
Fone : (5541) 331-4369        Fax : (5541) 331-2299
Rua Josi Izidoro Biazetto, 158 - Bloco B - Mossunguj
----- Repassado por Reinaldo Luis Ono/COPEL em 21/03/2002 09:51 -----
                                                                                                                                              
                    akyle2@csc.co                                                                                                             
                    m.au                 Para:   reinaldo.ono@copel.com                                                                       
                                         cc:                                                                                                  
                    20/03/2002           Assunto:     Re: Summary -  sar -d for cluster volume manager disks                                  
                    23:15                                                                                                                     
                                                                                                                                              
                                                                                                                                              




Reinaldo,

Heres a bit ot an explanation of what you are looking at:

sar -d will give output like:

00:00:00   device        %busy   avque   r+w/s  blks/s  avwait  avserv
00:20:01   sd0               1     0.1       0       6     0.0   156.9
         sd0,a             0     0.0       0       0     0.0     0.0
           sd0,b             0     0.0       0       0     0.0     0.0
           sd0,c             0     0.0       0       0     0.0     0.0
           sd0,d             0     0.0       0       0     0.0     0.0
           sd0,e             0     0.0       0       0     0.0     0.0
           sd0,f             1     0.1       0       6     0.0   156.9
           sd0,g             0     0.0       0       0     0.0     0.0
           sd0,h             0     0.0       0       0     0.0     0.0
      ssd51             0     0.0       0       0     0.0     3.7
           ssd51,c           0     0.0       0       0     0.0     0.0
           ssd51,d           0     0.0       0       0     0.0     0.0
           ssd51,e           0     0.0       0       0     0.0     3.7

Now, the sd0 is a normal SCSI disk and the ssd51 is a disk inside an A5x00.
You can tell what disk it is by doing this:

$  grep '" 0 "sd"' /etc/path_to_inst
"/sbus@3,0/SUNW,fas@3,8800000/sd@0,0" 0 "sd"

Looking at "format" shows this disk as:
       0. c0t0d0 <SUN2.1G cyl 2733 alt 2 hd 19 sec 80>
          /sbus@3,0/SUNW,fas@3,8800000/sd@0,0

Now for the ssd disk (inside your A5x00), you do something very similar:

$ grep ssd /etc/path_to_inst|grep 167
"/sbus@b,0/SUNW,socal@0,0/sf@0,0/ssd@w21000020370e7e5b,0" 167 "ssd"

Looking at the "format" command shows this disk to be:
      10. c1t17d0 <SUN9.0G cyl 4924 alt 2 hd 27 sec 133>
          /sbus@b,0/SUNW,socal@0,0/sf@0,0/ssd@w21000020370e7e5b,0

Now to see what veritas volumes these disks are being used for you do a
vxprint and locate the disks.

BTW, the a-h after the sd (eg. "sd0,a") is the slice for that disk i.e a-h
is slice 0 -7/

Hope this helps,
Andrew
__________________________________________________
Unix System Administrator, GIS
CSC
Level 1, 15 Help Street, Chatswood NSW 2067
Ph: +61-2-9464 4825 Fax: +61-2- 9464 4099    Email: akyle2@csc.com.au
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                      reinaldo.ono@copel.com

                      Sent by:                       To:
sunmanagers@sunmanagers.org

                      sunmanagers-admin@sunm         cc:

                      anagers.org                    Subject: Summary -
sar -d for cluster volume manager disks


                      20/03/2002 11:30 AM







I receive only one e-mail to my question from Changa.
I hope somebody knows another thing to help, because ultil now I don4t know
what to do.

Reinaldo Lums Ono
COPEL DISTRIBUIGCO
Fone : (5541) 331-4369        Fax : (5541) 331-2299
Rua Josi Izidoro Biazetto, 158 - Bloco B - Mossunguj
----- Repassado por Reinaldo Luis Ono/COPEL em 20/03/2002 11:24 -----

                    canderson1@wor
                    ldbank.org            Para:   reinaldo.ono@copel.com
                                          cc:
                    15/03/2002            Assunto:     Re: sar -d for
                    cluster volume manager disks
                    15:09







if Sun Cluster Volume Manager is the same as Veritas VM (which it probably
is),
then use vxstat to analyze your volume/partition statistics...  vxstat has
many
options that will help you, so check the man pages..

Changa




                    reinaldo.ono@copel.com

                    Sent by:                       To:
Sunmanagers@Sunmanagers.Org

                    sunmanagers-admin@sunma        cc:

                    nagers.org                     Subject:     sar -d for
cluster volume manager disks


                    03/15/2002 07:28 AM









Hi SUN4s gurus,
I was analysing sar reports and when I start to do it I didn4t understand
how to see which Sun Cluster Volume Manager filesystems are listed there.
I have Sun Cluster Volume Manager, so I can4t just lock for the dmesg
results to associate then with the partitions and filesystems directly.
Could you help me with this question ?
In this case I have two SUN E3500 in PDB Cluster mode with a shared A3000
array.

TIA
Reinaldo Lums Ono
COPEL DISTRIBUIGCO
Fone : (5541) 331-4369        Fax : (5541) 331-2299
Rua Josi Izidoro Biazetto, 158 - Bloco B - Mossunguj
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Received on Thu Mar 21 06:59:23 2002

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