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Rolling snaps on VMAX20

Is there a slick way to maintain rolling VP snaps on a VMAX device without having to write a huge, complicated Solutions Enabler script. I'm reviewing the docs I found but don't see a simple way to do this. Even VNX snaps can at least auto-expire. Any ideas?? I'm running 5876.272.177 Thanks.

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Community Accepted Solution

SRDF copy

Hi everyone, Does someone know how SRDF copies data from R1 to R2? Is it bit by bit? Does it copy empty spaces as well to R2? Thanks for responses!

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Community Accepted Solution

Is SE included in the Unisphere Vapp deployment?

Looking to deploy the OVA for Unipshere 1.6 and can't find any documentation if SE is included in the deployment or if I need to deploy that separately.

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Community Accepted Solution

LDAP authentication With Univmax

Hi, i am trying to implement LDAP authentication with unisphere for VMAX. I am unable to find any documentation regarding it.Can anyone help me out with it.Any sort of documentation,KB providing detailed steps will be much appreciated.Thanks.

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Community Accepted Solution

VMAX3 , No meta Volume , what about WP

so VMAX3 have no meta volume !! how can i achieve good performance without meta , what about Write Pending Limit WP , how is it calculated , does a big TB single volume going to have same WP% as any small volume

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Community Accepted Solution

is there any way / command available to check the RA port logins

Hi All, I would like to know the RA ports are login each other once the Ports are Zoned before creating the RDF Groups. Do we have any command to check the same . My intention is to check the Zoning correctness through SYMCLI. Regards Arun

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Community Accepted Solution

Changing the Persistent Preallocation flag

I've seen lots of information about how to use the SE reclaim function with "alloc_type=persistent" to start a reclaim on TDEVs that were bound persistently but I can't seem to find any command that will allow me to change the config of the TDEV to tuen off the "persistent" flag if it is no longer d

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Community Accepted Solution

VMAX FAST VP

We are using FAST VP on a vmax 20k and have the 3 std thin pools - efd, fc and sata. the FC is Raid5 with FAST VP policy utilizing all three thin tiers We want to add a Raid 1 FC pool and create a new policy that utilizes the efd, FC-R1, and sata. In addition, the FC-R1 pool will consist of sam

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Community Accepted Solution

VNX pool considerations when migrating from other storages

Admins, For some reason am not able to post content in the VNX support forum - so am posting this question on Symmetrix forum. We are migrating from HP 3PAR and MSA to VNX soon. And we have a proposed VNX pool layout as below. Main Site: =========== VPOOL1 for APP: • 75 TB • Thin P

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Community Accepted Solution

VMAX3 gakekeepers and discovery

We have a new VMAX3 in for testing but I'm finding v.little information via the support pages around the basic discovery etc. Do EMC pre-define ACLX or equivalent in the factory to particular front-end ports?, or should I be able to discover via any port on the array?, should my CE be defining GK

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Community Accepted Solution

Write Pending too high

During a Database restore activity we found our cache utilization go very high almost to about almost 98%.Later we were able to sort it out by implementing a host limit on the server.Now we noticed one of the LUN having a very high Write pending limit. Notice the LUN highlighted 0892 its bound to

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Community Accepted Solution

FAST-VP and writes allocation

hi new writes will allocate new extents in the original Thin pool where thin dev is bounded what about over write an extent that is already promoted to different thin pool/tier

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Community Accepted Solution

How to change DMX director type from FibreChannel to RDF ?

How to change DMX director type from FibreChannel to RDF ?

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Community Accepted Solution

Symmetrix Mirror Positions

Hi All , Naive question ,need some help understanding these mirrors , I've read multiple docs and blogs online and on ECN but the mirror positions ,concept keeps bouncing off my head .I know that prior to 5874 Raid 1/5 occupied 2 (M1,M2)positions each and Raid 6 - one position .  5874 onward

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Community Accepted Solution

want to understand about source R2 invalid tracks and Target R2 invalid tracks

Hi All, want to understand about source R1 invalid tracks and Target R2 invalid tracks it will be very help full if somebody explain this. I have attached the below output in txt for better reading. When I started SRDF -------------------      Source (R1) View  &nb

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Community Accepted Solution

What is -awwn ?

Dear team, Can you please tell me what is -awwn > or aiscsi in command list of symmask on DMX & what does it do ? Thanks in Advance. Rakesh

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Community Accepted Solution

inq utility does not report HBA vendor

I have a inq utility on a linux box. The linux host has a Emulex HBA. Both inq -hba and inq -mapinfo give no hba port wwn and vendor name. They give as N/A Does inq require SNIA libraries or any other driver softwares.

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Community Accepted Solution

SCSI Unmap (thin reclaim) with SRDF

Hi all, Just received a query on how the unmap works in an SRDF environment where the host only sees the R1 box. I expect that unmap will be intercepted on the R1 side and run there, but how does it get to the R2 side?Will this also be handled as a VAAI or will these be all single commands bet

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Community Accepted Solution

How does FAST move the extent?

Hello Experts! Could you please tell me how it can be according next output if we have the FAST policies like this: Policy A:    10% EDF - 10 % FC - 80% SATA Policy B:     15% EDF - 15 % FC - 70% SATA and output: the device 09c1 and 061e are bound to SATA pool an

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Community Accepted Solution

Bash Shellshock - impact on Unisphere for VMax OVA

The unisphere for VMax OVA uses SUSE enterprise linux. It's extremely locked-down, even ssh seems to be disabled, but it seems to use apache as the web server (judging by the http response headers). Is it vulnerable to attack? If it is vulnerable, how will a patch be deployed to such a locked-down

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