Linked Questions

9
votes
12answers
2k views

How to remember RAID levels? [duplicate]

How do you remember(if you really do :-)) all the different levels and what each level does? Can anyone suggest an easy way to remember?
15
votes
3answers
3k views

Is there a difference between RAID 10 (1+0) and RAID 01 (0+1)? [duplicate]

I've seen both of these listed, both being striped and mirrored across multiple drives, but is the a difference between them that I'm not picking up on?
1
vote
4answers
724 views

Can someone explain the physical architecture of RAID 10 in complete layman's terms? [duplicate]

I am a newbie in the world of storage and I am having a hard time digesting the physical architecture of some of the RAID levels. I am particularly interested in RAID 10, and 50. I asked the question ...
1
vote
1answer
2k views

Storage Spaces - Why Use Parity? [duplicate]

Given that mirrored Storage Spaces provide automatic corruption detection and repair, is space efficiency the only compelling advantage of parity over a mirror? I am thinking that the poor write ...
-1
votes
2answers
146 views

How do RAID 0 Offers improved i/0? [duplicate]

Possible Duplicate: What are the different widely used RAID levels and when should I consider them? I wonder how RAID 0 offers better i/o. If i am not wrong in RAID 0 data gets split and ...
0
votes
1answer
174 views

Recovery from SAS Harddrive [duplicate]

Possible Duplicate: What are the different widely used RAID levels and when should I consider them? I have 6 SAS Harddrive configured on RAID 0. One of my SAS Harddrive has gone faulty, So ...
-3
votes
3answers
489 views

Configuring RAID in HP Proliant ML350e Gen8 [duplicate]

We have purchased two stock HP ML350e Gen8 servers. Ubuntu 12.04 is to be installed in those. The stock, base unit have provision for 6 hard disks for creating RAID in which, one is filled with 500GB ...
-1
votes
1answer
1k views

How is the parity calculation in a RAID 6? [duplicate]

In a RAID5, the parity block is a XOR calculation of the rest of blocks but, in a RAID6, the second block parity is the XOR calculation of what blocks? ...
-1
votes
1answer
405 views

Raid 0+1 vs raid 1 and disk span in windows server 2012 [duplicate]

What is the difference between hardware raid 0+1 and 2 or more RAID 0 with disk span? what are the differences: advantages and disadvantages?
-1
votes
3answers
330 views

Raid 0, Raid 1, Raid 5, Raid6, Raid 10 Read/Write performance? [duplicate]

Assume a single disk has a baseline of 1W & 1R performance, how does the different RAID configurations behave? My initial guess: Raid 0: 2W 2R Raid 1: 1W 2R Raid 5: ? ? Raid 6: ? ? Raid 10: ...
-1
votes
1answer
389 views

choosing the right RAID level [duplicate]

Recently, we bought a "HP-DL380 G6 Server" with 6 146GB (SCSI)HDD for our colleague course management application and website with 10000 daily visitors. we want to choose the best RAID level. how can ...
1
vote
2answers
89 views

Optimal RAID setup for 2 low-workload modelling servers? [duplicate]

Possible Duplicate: What are the different widely used RAID levels and when should I consider them? My team at work uses a pair of servers each with a 2.7TB RAID 10 array composed of 8x ...
0
votes
1answer
105 views

RAID 10 — still a little unclear on the concept [duplicate]

Possible Duplicate: What are the different widely used RAID levels and when should I consider them? I haven't had any trouble building mental images of the simpler RAID forms, but for some ...
0
votes
2answers
127 views

Suggestion on RAID configuration [duplicate]

Possible Duplicate: What are the different widely used RAID levels and when should I consider them? We are going to setup a storage solution for our security surveillance software. We are ...
-8
votes
1answer
46 views

Witch is the RAID level meeting the follwing critiria? [duplicate]

We have 3 HDDs, same capacity (2TB). Witch RAID level allows me to use 4TB of space and in case any of the 3 HDDs fails (but only one) i have all the 4TB untouched and safe?

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