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Questions tagged [emc]

Storage servers by Dell EMC

98 questions
10
votes
2 answers

EMC VNXe GNU Source Code

Does anyone know where EMC host their GNU source code for VNXe products? We are tired with calling Delhi/Idaho for them to dial in to fix trivial issues and would like to figure out the algorithm of their temporary password system and avoid waiting…
Metalshark
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9
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5 answers

Putting Oracle redo logs on DRAM SSD for a heavy write database?

I have a Sun M4000 connected to an EMC CX4-120 array with a write-heavy database. Writes peak at around 1200 IO/s and 12MB/s. According to EMC, I am saturating the write cache on the EMC array. I think the simplest solution is to move the redo logs…
rmeden
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7
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2 answers

EMC ScaleIO vs Starwind Virtual SAN

I'm setting a test lab to evaluate best solution for future production use. The production farm intended for an SMB, so budget is present, but it is also limited. Goal for production: 3 hyperconverged servers with Windows Server 2012 R2 failover…
Eugene
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7
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3 answers

EMC VNX iSCSI setup - unsure about SP/port assignment

We have a new VNX5300 waiting to get configured, and I need to plan out the network infrastructure before the EMC tech arrives. It has 4x1gbit iSCSI per SP (8 ports in total), and I'd like to get the most out of the performance until we jump over to…
pauska
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5
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2 answers

Differences between HP and EMC SAN

I've managed Dell's EMC and Equallogic SANs in the past. I was recently put in charge of a Hewlett-Packard P2000 SAN. HP and EMC use slightly different terminology. I'd like to confirm I understand HP's terminology. Can you verify/correct some of…
Michael Cornn
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5
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4 answers

What trouble will I have when running a SAN past its support lifetime?

We are replacing a Clariion CX320 SAN because it is old (7.5 years). It has been otherwise very reliable. Yes, we have replaced a lot of disks, battery modules, and maybe even one of the controllers, but the failure rate is not very high -- maybe…
Ryan Hata
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5
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2 answers

Inconsistency between LUN ID's

I just added a few LUN's to our new EMC VNX, and the LUN ID's are not consistent.. Screenshot from EMC Unisphere Screenshot from VMWare vSphere If you study the two screenshots carefully, you'll notice that the Unique ID is identical, yet the LUN…
pauska
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4
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1 answer

Does AIX support Advanced Format (4k sector size) SAN LUNs?

I am working with an EMC XtremIO storage array that utilizes SSD devices that use a native 4 KB sector size instead of the traditional 512 B size. I am attaching an IBM AIX 7.1 server to the array. I had trouble getting AIX to assign a PVID to the…
Mike Brickl
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1 answer

UCS FC Adapter Aborts

So here's the scenario, and I'm hoping @Chopper3 can chime in here. For our SAN fabric, we have a pair of Cisco MDS 9513 FC switches with three EMC frames and four Cisco UCS domains directly attached. The behavior we are seeing is that the CNA's on…
SpacemanSpiff
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3
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2 answers

DELL PERC H730 RAID Performance Problems

I purchased a Dell EMC R740 with 8 Intel S3520 SATA 6 Gbps SSD drives. The problem I have is that no matter what RAID configuration I select I seem to be limited to roughly 5 Gbps. I would think that 8 drives in a raid 5 configuration would…
Ben Putnam
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3 answers

How to setup a "last day of month" schedule in Networker?

I need to set up a "Last day of the month" schedule in EMC Networker V8.0.1 I have actually set up it as: Period: Week Action: skip skip skip skip skip skip skip Override: full last day every month But when I go back to Show Schedule as Calendar,…
Envite
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3
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2 answers

What is a proper procedure for unplugging fiber chanel from ESXi

In my DC admins have to unplug my FC connection from ESXi5 (from EMC VNX) (temporary, some maintance works). I have never done that before and have some doubt about my own procedure... My first thought was to turn off all VM's (but only few are…
B14D3
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3
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3 answers

Routinely unable to remove qla2xxx module under CentOS

I routinely cannot unload the Qlogic fibre module qla2xxx under CentOS 5 or 6. These machines are running StorNext cvfs, EMC powerpath and hostagent. Nothing else should ever be touching the fibre. All three of these processes have been stopped…
greg
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3
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1 answer

vSphere 5 and Powerpath/VE?

I am in the process of setting up our vSphere 5 environment. With previous version of vSphere I have used the native pathing with VMware but I now want to investigate Powerpath/VE since it now works for v5. Has anyone swapped over to using…
Chadddada
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3
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2 answers

Create a raid 6 with 7 drives

I'm trying to create a raid 6 array on a VNX 5100 from EMC, however am unable to create one with 7 drives. We have 8 total, and I immediately carved one out for hot sparing, leaving me 7 data drives. I can create one with 6 or 8, not 7. I am also…
Basil
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