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looking for method of identifying a bad/failed EMC drive (sym/DMX)..

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Manuel Contreras
Regular Advisor

looking for method of identifying a bad/failed EMC drive (sym/DMX)..

I am looking for a symcli/symdev command that will give me that current state of DMX/SYM spindles...

I found a few options, but am wondering if there are any others?:

use the following, and check for Removed?

# /usr/symcli/bin/symdev -sid 00 list -v | grep "Device Service State "
Device Service State : Normal
Device Service State : Normal
Device Service State : Normal


maybe use the following, and check for NR?

# /usr/symcli/bin/symdev -sid 00 list

Symmetrix ID: 000

Device Name Directors Device
--------------------------- ------------- -------------------------------------

Cap
Sym Physical SA :P DA :IT Config Attribute Sts (MB)
--------------------------- ------------- -------------------------------------

0000 Not Visible ***:* 01C:C0 2-Way Mir N/Grp'd VCM WD 23
0001 /dev/rdsk/c41t0d0 04A:0 01C:C0 2-Way Mir Grp'd RW 8632
0002 /dev/rdsk/c41t0d1 04A:0 16B:C0 2-Way Mir Grp'd RW 8632
0003 /dev/rdsk/c41t0d2 04A:0 01A:C0 2-Way Mir Grp'd RW 8632
0004 /dev/rdsk/c41t0d3 04A:0 16D:C0 2-Way Mir Grp'd RW 8632
0005 /dev/rdsk/c41t0d4 04A:0 16A:C1 2-Way Mir Grp'd RW 8632
0006 /dev/rdsk/c41t0d5 04A:0 01D:C1 2-Way Mir Grp'd RW 8632
0007 /dev/rdsk/c41t0d6 04A:0 16C:C1 2-Way Mir Grp'd RW 8632



or maybe this would work?

If I lost a drive, would the following command return a value?

# /usr/symcli/bin/symdev -sid 00 list -hotspare

Symmetrix ID: 000

Could not select any Symmetrix devices to list.


any assistance is appreciated,
manuel

5 REPLIES
Bernd Reize
Trusted Contributor
Solution

Re: looking for method of identifying a bad/failed EMC drive (sym/DMX)..

Hi Manuel,

we always use the 'symdev -sid XY -hotspare list' command.
If there ist a failed disk and hotspare invoked, it prints out all affected hypers.

regards,
bernd
Manuel Contreras
Regular Advisor

Re: looking for method of identifying a bad/failed EMC drive (sym/DMX)..

Thanks Bernd,
You wouldn't happen to have an example of what the output looks like when a hot spare is invoked?

manuel
Bernd Reize
Trusted Contributor

Re: looking for method of identifying a bad/failed EMC drive (sym/DMX)..

Hi Manuel,

at the moment we dont have any failed disk, and we never saved the output of the command in the past. so, no, we don't have an example output available.

I think it is something like "SymDev DA:IT Config Attrib MB..." but not exactly sure about the correct syntax.

If we encounter a failed disks the next days (you never know ;) i'll post it here.

regards,
bernd
Manuel Contreras
Regular Advisor

Re: looking for method of identifying a bad/failed EMC drive (sym/DMX)..

I'll keep my fingers crossed ;)

wouldn't it be nice if we all had a small dmx to play with :D

I was recently introduced to symdisk, It seems this would allow me to associate LUNs w/physical DRIVES...

thanks again,
manuel
Bernd Reize
Trusted Contributor

Re: looking for method of identifying a bad/failed EMC drive (sym/DMX)..

Hi Manuel,

it has been more than just a few days... but today we encountered a failed disk drive.

symdev Output:
symdev -sid 21 -hotspare list

Symmetrix ID: 000285701721

Device Name Directors Device
--------------------------- ------------- -------------------------------------
Cap
Sym Physical SA :P DA :IT Config Attribute Sts (MB)
--------------------------- ------------- -------------------------------------

031B Not Visible ???:? 07A:D3 RDF2+Mir N/Grp'd (M) WD 17263
0352 Not Visible ***:* 07A:D3 2-Way Mir N/Grp'd (M) RW 17263
0389 Not Visible ???:? 07A:D3 RDF2+Mir N/Grp'd (M) WD 17263
03C0 Not Visible ***:* 07A:D3 2-Way Mir N/Grp'd (M) RW 17263
03F7 Not Visible ???:? 07A:D3 RDF2+Mir N/Grp'd (M) WD 17263
042E Not Visible ***:* 07A:D3 2-Way Mir N/Grp'd (M) RW 17263
0465 Not Visible ???:? 07A:D3 RDF2+Mir N/Grp'd WD 8632
049C Not Visible ***:* 07A:D3 2-Way Mir N/Grp'd (M) RW 17263

In this output you cann see the Symmdevicenames and the physical disk location "DA:IT". In this case the failed disk was 07A:D3

Regards,
Bernd