* Now posted in corect forum!! * I will do a search on the web but any thoughts on what level of RAID to go for if I want a decent file storage device? Are there increased levels of "safety" or do you select the type of RAID according to your needs?
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RAID - any advice...
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IMO, RAID 5 is the cheapest and suitable for most (except databases).. RAID 10 (or 1+0 if you like) is my preference - striped for performance and mirrored for redundancy, but costs more as you need a minimum of 4 disks, whereas RAID 5 will work fine with 3..The "Fit" hits the "Shan" -
What are you after?
Cheap?
Resiliant?
Fast?
Pick 2....And the lord said unto John; "come forth and receive eternal life." But John came fifth and won a toaster.Comment
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Originally posted by b0redom View PostWhat are you after?
Cheap?
Resiliant?
Fast?
Pick 2....Comment
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3ware raid card. Best is raid 6 so that if one drive fails, and then another fails during the rebuild there won't be any data loss. Raid 5 is the norm, at least raid 1.Comment
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Originally posted by Ardesco View Post3ware raid card. Best is raid 6 so that if one drive fails, and then another fails during the rebuild there won't be any data loss. Raid 5 is the norm, at least raid 1.
Laptop syncs over the network each tmie I can be arsed (most nights) and the server then syncs to an external HDD every week at midnight.Comment
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Originally posted by Sockpuppet View PostGot a 3ware 9500S-12 in MyCos server. Ebay special @ £80 a few years ago.
Laptop syncs over the network each tmie I can be arsed (most nights) and the server then syncs to an external HDD every week at midnight.ǝןqqıʍComment
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Originally posted by DiscoStu View PostI think that deserves some Xeno geek pointsComment
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The main thing to note is that different RAID levels offer two different main features; performance and data protection.
The various RAID levels offer one or the other or a combination of the two.
Here's a beginners guide:
http://www.storagewiki.com/ow.asp?RAID
Personally in my home 'server' I have the OS running on two drives in RAID 0 array (for performance) and my data is stored on an array of 4 x 500MB drives in a 2TB RAID 5 array (I'm thinking of upgrading to 4 x 1TB).
This gives data security such that if any one of the drives go down you can hot swap a replacement and no data will be lost. This has actually happened to me, twice.
Oh and for the levels which offer protection (via parity), this is at a cost of a percentage of the total storage capacity. For RAID 5 you lose 25%.
You can use a dedicated RAID controller card or use the facilities built in to many motherboards.Last edited by gadgetman; 27 May 2008, 13:27.Comment
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Originally posted by Ardesco View PostWhy? Is that not the norm?ǝןqqıʍComment
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