topic Re: EMC array in Operating System - HP-UX

EMC array

Prashant Zanwar_4 — Thu, 26 Aug 2004 14:51:50 GMT

Hi,
I am having below system in my setup.
# model
9000/800/N4000-55.
THis is connected to EMC array. I want to do the following.
1. I want to check the EMC array model.
2. I want to check the configuration of EMC array with system, like which disks are used and which are not.
3. I want to add further the unused disks to the configuration so as to use them in config.
4. If I want to perform a diagnostic on EMC array and disks inside it, what shall I do.
5. I am able to run cstm, and able to see EMC symmetrix devices. What shall i do to see get the information on array and devices. If I run map, after that info device number, it says its disabled.
Please reply as I have to do it in 2-3days.
Thanks and regards
Prashant

Re: EMC array

Geoff Wild — Thu, 26 Aug 2004 15:08:14 GMT

You need to install EMC Solutions Enabler on host.

Then you will have a bunch of commands you can use - like syminq, etc...

/usr/symcli/bin/

# syminq

Device Product Device
----------------------- --------- --------------------- -------------------
Name Type Vendor ID Rev Ser Num Cap (KB)
----------------------- --------- --------------------- -------------------

/dev/rdsk/c0t6d0 HP 36.4G ST336752LC HP02 3ET0J9VG 35566480
/dev/rdsk/c3t6d0 HP 36.4G ST336752LC HP02 3ET0FQKM 35566480
/dev/rdsk/c20t5d0 HP 36.4G ST336752LC HP02 3ET06NS9 35566480
/dev/rdsk/c20t6d0 HP 36.4G ST336752LC HP02 3ET0FX6Y 35566480
/dev/rdsk/c60t0d0 EMC SYMMETRIX 5670 65000000 11520
/dev/rdsk/c60t0d1 M(4) EMC SYMMETRIX 5670 65003000 8920320
/dev/rdsk/c60t0d2 M(4) EMC SYMMETRIX 5670 65007000 8920320
/dev/rdsk/c60t0d3 M(4) EMC SYMMETRIX 5670 6500B000 8920320
/dev/rdsk/c60t0d4 M(4) EMC SYMMETRIX 5670 65063000 35354880
/dev/rdsk/c60t0d5 M(4) EMC SYMMETRIX 5670 65067000 35354880
/dev/rdsk/c60t0d6 M(4) EMC SYMMETRIX 5670 6506B000 35354880

Rgds...Geoff

Re: EMC array

Jim Mallett — Thu, 26 Aug 2004 15:12:41 GMT

I'm not sure I understand all of your questions but this may provide some direction.

Best case scenario is you have EMC Control Center installed somewhere in your environment, but this needs to be purchased. Control Center will show how your Symmetrix interacts with your complete environment rather than just an individual host.

Do you have Solutions Enabler installed on your Unix host? The following commands require it. I don't know of any other way to get array information without having a CE print out a bin file.

To find out if you have Solutions Enabler:
# symcli

To find out your EMC Model:
# symcfg list

I use the following script to give me information on EMC disk, I probably could streamline it but it does it's job (this only reports on disk as it pertains to the host you run it from!):

syminq > /tmp/syminq.txt
for pv in /dev/dsk/c*
do
if pvdisplay $pv >/dev/null 2>&1
then
echo "IN USE: " \\c
grep `echo $pv | cut -c 10-16` /tmp/syminq.txt | cut -c 1-22,55-64
else
echo "NOT IN USE: " \\c
grep `echo $pv | cut -c 10-16` /tmp/syminq.txt | cut -c 1-22,55-64
fi
done

To find out information on ALL devices in the symmetrix (unless you know what ports are connected to which hosts, this can be difficult to read):
symdev list

Again, most of this requires Solutions Enabler, hopefully you have that available to you.

Jim

Re: EMC array

Sundar_7 — Thu, 26 Aug 2004 15:24:11 GMT

Prashant,

As mentioned above, you need to have SYMCLI installed in the system.

1) # symcfg -v list

This will list all the details about the array, including the model number and microcode revision etc

2) If you would like to find out the disks that are visible to the host but that are not used, then the process is not very straightforward.

First you need to pull off the list of disks that are visible to the system. You can use inq command. If you cannot find inq in the system, search the net.

And you need to compare this list with the disks that are currently member of a volume group. If the nodes are clustered, the things get complicated.

3 & 4 - What kind of diagonistics you are looking to perform. EMC control center is the software you are looking for :-).

-- Sundar.

Re: EMC array

Prashant Zanwar_4 — Thu, 26 Aug 2004 16:28:26 GMT

THanks to all.
EMC solutions enabler or SYMCLI is not installed on the system. Is there any way to to still find out the array type.

I understand that I need to compare the listing with lvmtab so as to know which disks are in use and which are not or otherwise with disks allocated to VG's.
I dont have cluster, its a plain system.
Just lemme know if it is possible to find array type.
Diagnostics, more precisely I want to know the health of a drive or about errors on it, how can I do that.
THanks again
Prashant

Re: EMC array

Sundar_7 — Thu, 26 Aug 2004 16:43:41 GMT

SYMCLI wont be list in the swlist output. So dont go by that.

Look in the /usr/symcli/bin directory.

There ought to be a UX or windows node that has EMC Control Center (or similar software) loaded using which EMC administration is done.

I am not aware of any other way to find out the model number.

cstm is the only tool I know of to use for diagonistics.

Re: EMC array

Jim Mallett — Thu, 26 Aug 2004 16:45:19 GMT

When you say the "array type", do you mean model? ie: 8530

Do you have physical access to the Symmetrix? Open the back door of it and at the top left is a gray label that lists both the model and serial (at least it does on each of the Symms we have).

Is the Symm under support? Can you find out what tools they can present you with? There is a utility called emcgrab or emc_grab that support should be able to send you. I don't know how detailed the information will be.

Jim

Re: EMC array

Prashant Zanwar_4 — Wed, 08 Sep 2004 12:34:22 GMT

Hi all,
I am putting the request once again of same question.
Here is some more information available on it:
1. EMC array is symmetrix 8430
2. This is connected to 2 SAN switches which is not being used as per customer.
3. It is also connected to one compaq desktop through fibre cord.
here a) EMC software is installed but cannot open as password is not known.
4. It is also connected to one server directly which is not used as per customer.
5. Only one server is using it and that is connected directly to EMC array through fibre.
Is there any way I can figure out the not used disk, whcih are known as per diagram given by customer and further I want to change the bin file.
What procedure can let me do it? This is quite critical which i want to do.
Please reply.
Thanks with best regards
Prashant

Re: EMC array

Prashant Zanwar_4 — Wed, 08 Sep 2004 12:37:20 GMT

Customer has the software provided by EMC.
Just added for your info.
Thanks
Prashant