SAN Notes

Information regarding our standard Symmetrix DMX configuration.

• 000 Volume Logics database (8mb)

Contains information as to what host has access to which meta devices. Should be read only to everyone except systems with Solutions enabler installed.

• 001-00F Gate Keepers (3mb)

All EMC software (TimeFinder, SRDF, SDR, etc.) run IN the Symmetrix, so servers (with SYMCLI or ECC) only issue commands to the Symmetrix and Symmetrix perform the job internally. The problem is that Symmetrix boxes can not assign memory for software, only devices, so (cleverly) EMC creates tiny devices of 6 cilinders (aprox. 2,88 MB) in order to give the requiered memory IN the Symmetrix, so symm box can receive the commands from symcli/ECC through gatekeeper devices (to the symmetrix memory) and perform it.

• 010-019 Quarum Devices (range from 70-668mb)

Quarum devices for windows clustering.

• 01A-01B Symmetrix File systems (2878mb)

For use by EMC CE only

• 01C-01F Sym Optimizer Devices (8632mb)

Used by Symm Optimizer to move hot spots in the Sym

• 020-### Meta devices pathed out to hosts in increments of 8.43G

Actual meta devices as seen by hosts.

Command example:

symdev -sid #### list more

Symmetrix ID: ###########

		Dir	Device
	Device Name	SA:P	DA:IT	Config	Attribute	State	Size (MB)
0000	/dev/rdsk/c4t32d0s2	03A:0	01A:C2	2-Way Mir	N/Grp'd	VCM WD	8
0001	/dev/rdsk/c4t32d1s2	03A:0	01A:C1	2-Way Mir	N/Grp'd	RW	3
0002	/dev/rdsk/c4t32d2s2	03A:0	02B:C1	2-Way Mir	N/Grp'd	RW	3
0003	Not Visible	***:*	07A:C1	2-Way Mir	N/Grp'd	RW	3
0004	Not Visible	***:*	08B:C1	2-Way Mir	N/Grp'd	RW	3
0005	Not Visible	***:*	01B:C1	2-Way Mir	N/Grp'd	RW	3
0006	Not Visible	***:*	02A:C1	2-Way Mir	N/Grp'd	RW	3
0007	Not Visible	***:*	07B:C0	2-Way Mir	N/Grp'd	RW	3
0008	Not Visible	***:*	08A:C0	2-Way Mir	N/Grp'd	RW	3
0009	Not Visible	***:*	16B:D0	2-Way Mir	N/Grp'd	RW	3
000A	Not Visible	***:*	15A:D0	2-Way Mir	N/Grp'd	RW	3
000B	Not Visible	***:*	10B:D0	2-Way Mir	N/Grp'd	RW	3
000C	Not Visible	***:*	09A:D0	2-Way Mir	N/Grp'd	RW	3
000D	Not Visible	???:?	16A:D0	2-Way Mir	N/Grp'd	RW	3
000E	Not Visible	???:?	15B:D0	2-Way Mir	N/Grp'd	RW	3
000F	Not Visible	???:?	10A:D0	2-Way Mir	N/Grp'd	RW	3
0010	Not Visible	***:*	08A:DD	2-Way Mir	N/Grp'd	RW	668
0011	Not Visible	***:*	09B:DD	2-Way Mir	N/Grp'd	RW	668
0012	Not Visible	***:*	08A:DD	2-Way Mir	N/Grp'd	RW	668
0013	Not Visible	***:*	09B:DD	2-Way Mir	N/Grp'd	RW	668
0014	Not Visible	***:*	01A:C0	2-Way Mir	N/Grp'd	RW	70
0015	Not Visible	???:?	02B:C0	2-Way Mir	N/Grp'd	RW	70
0016	Not Visible	???:?	07A:C0	2-Way Mir	N/Grp'd	RW	70
0017	Not Visible	???:?	08B:C0	2-Way Mir	N/Grp'd	RW	70
0018	Not Visible	???:?	01B:C0	2-Way Mir	N/Grp'd	RW	70
0019	Not Visible	???:?	02A:C0	2-Way Mir	N/Grp'd	RW	70
001A	Not Visible	???:?	08A:DD	2-Way Mir	N/A	(FS) RW	2878
001B	Not Visible	???:?	09B:DD	2-Way Mir	N/A	(FS) RW	2878
001C	Not Visible	???:?	01B:DD	DRV	N/Grp'd	RW	8632
001D	Not Visible	???:?	16A:DD	DRV	N/Grp'd	RW	8632
001E	Not Visible	???:?	07B:DD	DRV	N/Grp'd	RW	8632
001F	Not Visible	???:?	10A:DD	DRV	N/Grp'd	RW	8632
0020	Not Visible	***:*	01A:C0	2-Way Mir	N/Grp'd	(M) RW	60421

1. Stop and restart the Store Agents on the windows2000 store servers, under Control Panel>Admistrative Services>Services. Must be done on all store boxes.

2. Inside ECC stop the Symmetrix agent on all of the store boxes.

3. Inside ECC start the Symmetrix agent on all of the store boxes, starting the sym agent on the box which you want to act as primary first.

This will cause a database refresh and hopefully clear the problem.

Solaris:

1. Run LPUTIL to gather the WWN of the HBA (note this is only for Emulex cards):

/usr/sbin/lpfc/lputil

2. Select 2. Adapter Information > 4. IEEE Address > Card in question.

IEEE Address for Adapter 2:
[10000000] [999999999]

HPUX:

1. Run an IOSCAN to locate the fiber card device files:

ioscan -funC fc

2. Using a device from above run the FCMSUTIL command to get the card information:

/opt/fcms/bin/fcmsutil /dev/td0