Steps for Creating Striped METALUN

Creation of Striped METALUN

Step1:

1.    Create a command file for metalun

      Sun1# vi meta_stripe

       form meta from dev 0004, config = striped, stripe_size = 1920;

       add dev 0005:0006 to meta 0004;

      

2.    Run the configuration file. 

    Sun1# symconfigure – sid 277 – v –f meta_stripe commit – nop

3.    Update the symapi_db.bin

     Sun1# symcfg discover

4.    List the meta devices

    Sun1# symdev list –meta

Imp Notes:  Meta devices are identified by its Meta head, in our example the Meta head is 0004 for striped metalun. And the device that should be mapped is 0004

5.    Map the meta lun

a.    Verify the available ports

     Sun1# symcfg – sid 277 list – connections

b.    Now check the available addresses

     Sun1# symcfg – sid 277 list – available – addresses – dir 1c – p 0

c.    The available addresses will be shown as follows:

     For example

  Devices       Status          LUN

             Available        0011

Imp Notes: From the above example we decipher 0004 as an available address for mapping

d.    Create a command file

      Sun1# vi map_dev

      Map dev 0004 to dir 1c:0, LUN = 0011;

     

e.    Run the configuration

     Sun1# symconfigure – sid 277 –v –f map_dev commit –nop

f.     Update the symapi_db.bin

    Sun1# symcfg discover

g.    Configure the controller

                                                                i.    Check the controller

Sun1# cfgadm –al

                                                                 ii.    In our example controller is c3

    Configure the controller

    Sun1# cfgadm –c configure c3

h.    Update symapi_db.bin

     Sun1# symcfg discover

Imp Notes: Metalun has been mapped and it is identified by its head 0004 now assign metalun to the host and mount it.

Step2:    Mask the metalun 
             Assign meta-device to the host

               

          Sun1# symmask –sid 277 add dev 0004 –awn sun1/port0 –p 0 –dir 1c

          Sun1# symmask –sid 277 add dev 0004 –awn sun1/port0 –p 0 –dir 2c

Sun1# symmask –sid 277 add dev 0004 –awn sun1/port0 –p 0 –dir 15c                   Sun1# symmask –sid 277 add dev 0004 –awn sun1/port0 –p 0 –dir 16c

1.    Refresh database

    Sun1# symmask refresh

2.    Update the symapi_db.bin

    Sun1# symcfg discover

3.    Verify metalun in the VCM database

     Sun1# symmaskdb list database

4.    Configure the controller

     Sun1# vxdmpadm list ctlr

     Check the status of the controller if disabled enable it.

     Sun1# vxdmpadm enable ctlr c3

5.    Find the device and label it

a.    Format

b.    Label

c.    Quit

                     Imp Notes: Identify the device and enter the device no. and label it.

6.    Scan for the disk

    Sun1# vxdisk scandisks

7.    List the disks

    Sun1# vxdisk list

8.    Initialize the disk, in our example the enclosure name given to our device is emc_01.

     Sun1# vxdisk setup –i emc_01

9.    Now create Volume Manager Disk (vmdisk) by creating disk group.

    Sun1# vxdg init sun1dg disk1 = emc_01

10. Create a volume on meta devices

     Sun1# vxassist –g sun1dg make vol01 100m

11. List the disk groups

    Sun1# vxdisk –o alldgs list

12. List the volume

    Sun1# vxprint –h

13. Create file system on the volume

     Sun1# newfs /dev/vx/rdsk/sun1dg/vol01

14. Create a mount point

     Sun1# mkdir /meta_stripe

15. Mount the file system of volume

     Sun1# mount /dev/vx/dsk/sun1dg/vol01 /meta_stripe

     Sun1# cd /meta_stripe

 16.Add the data

     Sun1# cp –r /etc/r* .

  17.Verify the data

       Sun1# ls