Linked Questions

9
votes
12answers
1k 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
2k 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
1answer
772 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 ...
0
votes
1answer
165 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 ...
-1
votes
2answers
140 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 ...
-1
votes
1answer
703 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
303 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
1answer
382 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
votes
3answers
289 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
vote
2answers
86 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
101 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
108 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
44 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?
1
vote
1answer
60 views

Safest approach when designing storage server [duplicate]

We are planing cloud solution for our customers and we are really concerned with designing safest storage servers for their files. This storage won't be IO demanding, as it will contain only files ...
0
votes
1answer
48 views

RAID for a video streaming server [duplicate]

I need to build a video streaming server with only 4 harddisk, the performance is more important than the disk space. Wondering which RAID should I implementing?

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