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IBM VIO servers using NPIV Zone completed with 8 wwps(virtual wwns) but wwns are not showing up in VMAX. All wwns are logged in to Fabric but not into VMAX. So the luns are not visibile to the host. What could be the problem ? Any idea ?

Hi All, When I use control center storage scope to report the various capacity related parameters of our thin provisioned array, I find that, if there is a LUN presented to multiple hosts (let's say in case of a migration, the LUN is shared across multiple hosts), the LUN ID gets displayed twice

Hi,    Want to know how much time it would take for a 60TB FC-raid5 to FC-raid1.  The VMAX cache will be at 768-GB after the upgrade, enginuity at 5875.     Thanks in advance. -Ronald

Hi, I got the below error in the SYMAPI logs: emcSymValidateGroup Std devices in cascaded relationship have Hop 2 RA Grp Number error SYMAPI_C_INV_HOP2_RDF_GRP Can someone help me out with this error? Thanks.

I am new to SRDF. We have SRDF/A in our environment. So when the MBs to be transferred from Bunker to DR site get lesser, we change the RDFG mode to Async from C.D. Is there a reason why this is done?

How to tag a device to recover point in cli ?

What is the purpose of IMBL, where it resides, Please help me . Thanks in Advance.

What are the ways we can expand a thin striped meta whihc is an R1 device??

I am unable to write disable the newly created srdf r2 device. when i try to disable the write for the r2 device it produces the erorr stating the device already in the requested state, however actually status of the device is RW enabled. there will be any impact  if the r2 device in R/W sate?

Hi, I am looking a bit into thin, thick (eager and lazy) and trying to understand how VAAI benefits it. Today someone explained to me that regardless of thin or thick, before writing to a block, it has to be zeroed. That means that for example, when using thin, first VMAX allocates the space, the

The StorReclaim utility has a -rate option which we can set to reclaim anywhere from 1-95% of the unwritten space on a disk.   The customer cannot set it to anything above 95%. If a customer has a large disk, such as 5TB, that 5% can be pretty significant. I'm curious why we can't set it to

We are just planning for a migration.. What all are the checklist that should be done before migration .. We planning to go for PPME ( host based) migration.

Hi, I am trying to understand how my Symmetrix VMAX works. I have several thin pools defined from which I create LUNs that I offer to my servers. I thought that those thin pools were directly mapped into the physical storage using the specified RAID. However, I have just read that the capacity of

Hello, I'm trying to create automated web report on disk usage, purposes, etc. My Vmware collegues are mapping large meta luns against their ESX hosts from Symmetrix and then give little chunks to VMs. My question, is there a way to extract information of Datastore name and meta lun id from ESXC

Hi Guys, Quick question: With Open Replicator, is it possible to create local copies? The manual wasn't specific in this regard. Thanks,Kelvin

we have an srdf/star (cascaded) setup in our environment. How to monitor the srdf/star environment. ? How to trouble shoot if there is any link failure for a while ?

I was wondering what the best practices are for creating masking views in the ESX environments? Let's say you have a small environment of like 20 hosts.  Is it best to create individual masking views for each host? So you'd have 2 masking views and the PG and SG are the same for all of them be

Hi When trying to run the following command on one of our VMAX arrays we get the following error message. Can someone advise if this command is only support on certain versions of Solutions Enabler. Thanks as always “symdisk list –sid XXX –spindle –spare info” Error message – “-spi

Is it mandatory to set dyn_rdf attribute for the STD devices involved in the srdf/star ?? Is there any option to enable the attribute=dyn_rdf by default when we create a device??

Hi all, What is the procedure to follow to delete clone group and to reuse target device for new clone session.? the existed clone session was in copied state. Thanks And regards.