By: Gerald Connolly
Mahesh, that’s a given, but what I was asking is why you think that’s a disadvantage and what are you comparing it with?
View ArticleBy: ZuluDeltaAlphaVictor
How about configuring your server with the OS on a RAID1 and DATA Storage on RAID5. RAID1 writes at the same time, on two different disc, since it’s the OS, writes only once, and sits and waits for...
View ArticleBy: Gerald
@ZuluDeltaAlphaVictor – Thats the kind of standard config that has been used for years, RAID-1 for the OS and RAID-5 for Data, but as disks have got bigger, RAID-5 has become an issue due to the length...
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By: Jarmezrocks
Hey Gerald, Myself I come from a fairly basic IT background, but have branched to server technology as my qualifications in GIS span both desktop and server. What are your thoughts on data being on a...
View ArticleBy: bob jones
The one thing that was really over looked is the fack that with any level raid you need to purchase either a motherboard that supports raid or purchase a seperate raid controller. Before even...
View ArticleBy: Gerald Connolly
@Bob 1) It is not necessary to have any special hardware to implement RAID, in fact you can do it across partitions on a single disk. Although why you would to do that outside of a test environment...
View ArticleBy: Andrew
This is extremely helpful! I’m trying to study for my A+ certification and this really helped a lot. Just a quick question (mostly to make sure I’m thinking correctly and actually understood...
View ArticleBy: Gerald
@Andrew, thats correct – RAID10 is a combination of pairs of disk spindles that are Mirrorred (RAID-1) and then striped together.
View ArticleBy: Carl
Thanks for this tutorial. However, in the explanation for RAID 5, you state: “Good redundancy ( distributed parity ).” Use of parity does not provide redundancy. Parity provides error detection. When...
View ArticleBy: John
Folks, Striping is breaking a file/picture into blocks stored on differnt disks, to improve performance, so a file can be written to mutiple disk at the same time,that’s it. Parity, is a way to reduce...
View ArticleBy: Gerald
@john – I don’t think you have got your head round this properly. I think the explanations at the top and further clarifications explain how Striping (aka RAID-0) works. You obviously havent quite...
View ArticleBy: Gerald
@Carl – Its semantics, It could be argued that the parity on its own provides redundancy, but its the fact that it is stored on a Redundant extra disk that qualifies it as redundant. Of course we all...
View ArticleBy: aCe
Nice one bud! Great to finally see something as clear as this, RAID can be such a pain.
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