Solved

EqualLogic PS6000XV RAID Question

Posted on 2011-09-13
2
450 Views
Last Modified: 2012-05-12
Hello,

We are deploying an EqualLogic PS6000XV and we have one question regarding the array.

The EQL has 16 x 600GB. We have selected RAID 50 and EQL automatically build the RAID for us (it didnt give us any option further).

The net available space became as 7.3TB.

My questions,

- How many volumes of RAID 5 does this storage set up on an automatic RAID 50 ?
- As the net space for a 600GB is 550GB, I imagine that the EQL built two volumes of RAID 50, with that config I would have 7.6GB of net space, where are the other 300GB ?
0
Comment
Question by:maxihost
2 Comments
 
LVL 18

Accepted Solution

by:
BigSchmuh earned 500 total points
Comment Utility
Let's try to guess by numbers:
-2 arrays of 8 drives would offer a raw 2x7x600GB = 8.2TB (7.5TB formatted)
-3 arrays of 5 drives (+1 hotspare) would offer a raw 3x4x600GB = 7TB (6.5TB formatted)
-4 arrays of 4 drives would offer a raw 4x3x600GB = 7TB (6.5TB formatted)
==> What do your "net avalaible space" is about ? Is it NTFS formatted net space ?
0
 
LVL 42

Expert Comment

by:kevinhsieh
Comment Utility
How about 2 arrays of 7 drives + 2 hot spares

2*(7-1)*600=7200. By those calculations, you have an extra 100 GB that you shouldn't have. The 14 and 16 drive models (PS50-PSX0X0) have 2 RAID groups for RAID 50. The PSX100 (24 drives) have three unbalanced RAID groups for RAID 50. The PSX5X0 (48 drive Sumo) have at least 4, possibly 5 or 6 RAID groups. I don't know about the new PS6100XS which has 17 10K SAS and 7 SSD drives.
0

Featured Post

Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

Join & Write a Comment

Don't buy such-and-such disk drives, they are not reliable!    Boy, how many times have we read a post from a well-meaning person who had some bad experiences with a drive and now they exclaim the entire company's products can't be trusted.  First, …
Create your own, high-performance VM backup appliance by installing NAKIVO Backup & Replication directly onto a Synology NAS!
This video teaches viewers how to encrypt an external drive that requires a password to read and edit the drive. All tasks are done in Disk Utility. Plug in the external drive you wish to encrypt: Make sure all previous data on the drive has been …
This tutorial will walk an individual through the process of installing the necessary services and then configuring a Windows Server 2012 system as an iSCSI target. To install the necessary roles, go to Server Manager, and select Add Roles and Featu…

772 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

12 Experts available now in Live!

Get 1:1 Help Now