CLARiiON
Q: Explain step by step
procedure to assign a LUN to existing Host?
1. Will
check is there any free space is available in existing RAID group as per the required
LUN Capacity.
2. If
not available create the new RAID group
3. Bind
the LUN
4. Will
go to the host‟s
storage group properties and open the LUN tab and add the newly created LUN
Q: Explain step by step
procedure for storage provision to the new host?
·
Installing HBA drivers in new host
·
Installing NaviAgent
·
Installing Powerpath if required
·
Creating Zone, add new zone to zone set, save and
enable the zone.
·
Checking the host connectivity status in the array
·
Create a new RAID
·
Bind a LUN (create LUNs as per the host
requirement)
·
Create a metaLUN if required
·
Create a Storage Group
·
Add Host and LUN in the storage group properties
window
·
Reboot the host and check the LUN visibility at
host-end.
Q: How
do you troubleshoot if the Hosts are not registering issue?
1.
Right
click on clariion array and check the connectivity status whether the
initiators are showing. If it isshowing check whether the initiators are logged
in.
2.
If
it is showing under connectivity status and registered status showing
"NO" then you need to installAgent or else you need to register it
manually.
3.
If
it is Registered and not logged in then you need to check the Zoning side and
physical connectivity.
4.
if
the host initiators are not showing under connectivity status at all then you
need check the zoningand physical connectivity. If possible remove the zone and
create it back. Once you create the zone don’t forget to Enable and Save the
config. After this just refresh it.
5.
Once
all these tasks are fine then you can login to Navisphere and update the array
once. Update is over then you can go to connectivity status and check.
Q: Explain
step by step procedure for LUN migration?
1. Right
Click on the LUN and select migrate from the drop down menu.
2. Select
the migration rate and click on OK.
3. We can
check the status from migration tab in the LUN properties page.
Q:How do you create a Meta LUN?
Right Click on LUN > Select Expand > Expand Storage Wizard
will appear click on Next > Select theExpansion Type (Stripped or
Concatenate) and Click on Next > Confirm the Preserve Data dialog >Select
the members (LUN) of Meta and click on Next > Select the User Capacity and
click on Next > givethe MetaLUN name, Default Owner, Expansion Rate, etc..
and click on Next > Review the Summary andclick on Finish.
Q: What
are pre requisites for LUN migration?
1.
Migration
moves data from one LUN to another LUN
2.
Any
RAID type to any RAID type, FC to ATA or ATA to FC
3.
Neither
LUN may be private LUNs or Hot Spares
4.
Neither
LUN may be binding, expanding, or migrating
5.
Either
or both may be metaLUNs
7.
Destination
LUN may not be part of SnapView or MirrorView operations
8.
Destination
LUN may be larger than Source LUN
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