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Decent RAID5 controller? - Page 4

post #31 of 75
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Sounds like fun. But yeah, I'm sure that is out of my price range.
post #32 of 75
Quote:
Originally Posted by SgtSpike View Post
Sounds like fun. But yeah, I'm sure that is out of my price range.
It all depends on how much you value your data! You can pick up an older generation HP Storageworks MSA with a fibrechannel relatively cheap, older generations tend to only be 10K SCSI disks and while they perform very well will not provide the storage capacity you need.

It's an interesting but expensive road to go down and can be addictive in pursuit of the best solution... before you know it your spare room will be a server farm... your other half will be gone... and your best friend will be some bloke called Google!
     
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post #33 of 75
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Quote:
Originally Posted by Mattyd893 View Post
It all depends on how much you value your data! You can pick up an older generation HP Storageworks MSA with a fibrechannel relatively cheap, older generations tend to only be 10K SCSI disks and while they perform very well will not provide the storage capacity you need.

It's an interesting but expensive road to go down and can be addictive in pursuit of the best solution... before you know it your spare room will be a server farm... your other half will be gone... and your best friend will be some bloke called Google!
Unless my house burns down, I don't see any reason a RAID5 won't work. Not to mention, the RAID5 will just be a backup of data on other discs, so even if the array does entirely fail, I can just recreate it from other drives. And I am likely going to set it up as a 3-disc array with the 4th as an already-in spare.
post #34 of 75
Quote:
Originally Posted by SgtSpike View Post
Unless my house burns down, I don't see any reason a RAID5 won't work. Not to mention, the RAID5 will just be a backup of data on other discs, so even if the array does entirely fail, I can just recreate it from other drives. And I am likely going to set it up as a 3-disc array with the 4th as an already-in spare.
don't bother with a 3-drive RAID5 plus a hotspare - instead grab a PERC 6/i from eBay for $120 and run RAID6. Much better data security for the same number of drives.
post #35 of 75
Hi,

I've used a RocketRaid (first a RR2314 and now a RR2322) for years and never had a fault. Even with 4x WD green drives that should not work well in a RAID.

Get a decent external enclosure though, I have an IcyDock for very low noise.

A perfect combination for me, rock solid.
post #36 of 75
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Quote:
Originally Posted by the_beast View Post
don't bother with a 3-drive RAID5 plus a hotspare - instead grab a PERC 6/i from eBay for $120 and run RAID6. Much better data security for the same number of drives.
Speed is more important than data integrity past the point of RAID5 or RAID10. Like I said before, this will just be for backing up the data on other drives. If the array becomes completely inaccessible (say, two HDDs die at the same time), then I can simply rebuild it with fresh drives. There will be no data on these drives that does not exist elsewhere, so the need for data redundancy on the array itself is greatly reduced, since the data is already duplicated elsewhere.

Quote:
Originally Posted by MoleStrangler View Post
Hi,

I've used a RocketRaid (first a RR2314 and now a RR2322) for years and never had a fault. Even with 4x WD green drives that should not work well in a RAID.

Get a decent external enclosure though, I have an IcyDock for very low noise.

A perfect combination for me, rock solid.
Why would I spend $100 more on an external enclosure? Seems pointless when I can just put them in the case...
post #37 of 75
Quote:
Originally Posted by SgtSpike View Post
Speed is more important than data integrity past the point of RAID5 or RAID10. Like I said before, this will just be for backing up the data on other drives. If the array becomes completely inaccessible (say, two HDDs die at the same time), then I can simply rebuild it with fresh drives. There will be no data on these drives that does not exist elsewhere, so the need for data redundancy on the array itself is greatly reduced, since the data is already duplicated elsewhere.
So why the hotspare? If you're buying another drive, you might as well use it. With a dedicated controller (or decent software RAID) a 4-drive RAID6 array will perform similarly across the board to a 3-drive RAID5 array.
post #38 of 75
Skip RAID5 go directly to RAID6. There's a guy selling 2 used Areca 1230 controllers for 300 ish ea. on harforum, that's 12 ports each.
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post #39 of 75
Thread Starter 
Quote:
Originally Posted by the_beast View Post
So why the hotspare? If you're buying another drive, you might as well use it. With a dedicated controller (or decent software RAID) a 4-drive RAID6 array will perform similarly across the board to a 3-drive RAID5 array.
The hotspare is mostly for convenience, and because I don't need more than 2TB of space (actually I only need 200-300GB at this point, but want extra headroom for performance and other needs that may arise). If one drive dies, it would be obnoxious to have to worry about another drive dying, the array going down, and not having a backup for the main drives for days while I wait for an RMA. If I have a hotspare, I can remove the dead drive and pretty much get an RMA at my leisure, since it would take three drives dying to kill the array.

Quote:
Originally Posted by tsm106 View Post
Skip RAID5 go directly to RAID6. There's a guy selling 2 used Areca 1230 controllers for 300 ish ea. on harforum, that's 12 ports each.
That's way too much when I can get a PERC 5/i for $95. 12 ports would be nice, but I'll never use it. And like I already said, RAID6 is overkill for my redundancy needs, and underkill for my speed needs. Thanks for the suggestion anyhow though.
post #40 of 75
Quote:
Originally Posted by SgtSpike View Post
Gigabit networking is fast, but I don't think I want to put that sort of load through my already-taxed router (and it's a fast router to begin with!)
If you're talking about your home broadband router, it's not an issue. The GigE switch on the back will localise all LAN traffic, so the only data passing through your router is data that is travelling to/from the Internet.

I'm willing to bet you don't have a 1Gbit/s Internet connection. If you do, you just got yourself a new tenant.
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