Raid 5 to Raid 0 ...Help? - GoFuckYourself.com

leg4 · 12-28-2007, 08:16 PM

Bonjour,

I have a Raid 5 system and I not happy with the overall performance.

Is there an easy way to convert this system to a Raid 0?
(I don't care about redundancy)

Thank you for your time...

rowan · 12-28-2007, 09:10 PM

Some details about the controller may help, that's a bit like asking where the rear demister switch is on your "car"

It may be possible to migrate from a RAID5 to RAID0 array without needing to do a backup and restore, but I'd be backing up your data anyway.

TidalWave · 12-28-2007, 10:42 PM

No... not without having to re-do your data, so if you're going to do it anyways, why not go to RAID-10... requires 1 more drive (4 minimum) and will give you RAID-0 performance and RAID-1 mirroring.

rowan · 12-28-2007, 10:52 PM

After thinking about it again I've realised a migration is impossible, because RAID0 will stripe a block of data over several drives. I was thinking more of mirroring, where there's a "spare" drive (out of the RAID5 array) that can be written to first without losing any data.

latinasscash · 12-29-2007, 03:25 AM

In any conversion scenario, you'll need to make a backup
copy of your data. So, even tho it is a more expensive
solution, go with RAID-10 (1+0) as mentioned earlier by
TidalWave. When data and peformance ar both critical
it is the only way to go.

RAID-10 provides better fault tolerance and rebuild performance
than RAID-01. Both RAIDs provide very good to excellent overall
performance by combining the speed of RAID 0 with the redundancy
of RAID 1 without requiring parity calculations.

Again in ANY scenario, it is a destroy and recreate AFTER
backing up your data.

rowan · 12-29-2007, 01:13 PM

How do you guys pushing RAID10 know he doesn't already have a 4 drive RAID5 system? :P

One thing that hasn't been mentioned is change in capacity. By moving to RAID0, you'll gain; by moving to RAID10, you'll either stay the same (if you have 3 x RAID5 - but remember you're adding a drive to stay the same) or lose (if you have 4 x RAID5)

Steve Awesome · 12-29-2007, 01:31 PM

If you want peace of mind *and* speed, go with RAID 1 on 10K Western Digital Raptor drives. If that's too pricey for you, then RAID 1 on SATA is your best bet. I've got 5 pairs of 1 TB Western Digital drives that are RAID 1.

TidalWave · 12-29-2007, 01:40 PM

RAID-1 does not give you speed, only mirroring

Steve Awesome · 12-29-2007, 01:47 PM

Quote:

Originally Posted by TidalWave

RAID-1 does not give you speed, only mirroring

That was the "peace of mind" part of the equation that I was talking about, not the speed part. If you want speed, then RAID 0 striped on the Raptors will accomplish that.

12-28-2007, 08:16 PM	#1
leg4 Confirmed User Join Date: May 2003 Location: Texas Posts: 4,429	Raid 5 to Raid 0 ...Help? Bonjour, I have a Raid 5 system and I not happy with the overall performance. Is there an easy way to convert this system to a Raid 0? (I don't care about redundancy) Thank you for your time... __________________ >>> Contact me here email me here

12-28-2007, 10:42 PM	#3
TidalWave Confirmed User Industry Role: Join Date: Sep 2007 Location: Los Angeles Posts: 2,706	No... not without having to re-do your data, so if you're going to do it anyways, why not go to RAID-10... requires 1 more drive (4 minimum) and will give you RAID-0 performance and RAID-1 mirroring. __________________ www.SwiftNode.com

12-29-2007, 03:25 AM	#5
latinasscash Registered User Join Date: Jul 2005 Location: Rio de Janeiro Posts: 95	In any conversion scenario, you'll need to make a backup copy of your data. So, even tho it is a more expensive solution, go with RAID-10 (1+0) as mentioned earlier by TidalWave. When data and peformance ar both critical it is the only way to go. RAID-10 provides better fault tolerance and rebuild performance than RAID-01. Both RAIDs provide very good to excellent overall performance by combining the speed of RAID 0 with the redundancy of RAID 1 without requiring parity calculations. Again in ANY scenario, it is a destroy and recreate AFTER backing up your data. __________________ ____________________________________________ Hot All Latin Content... Recurring Partnership Program... Content and tours that convert and retain members...

12-29-2007, 01:31 PM	#7
Steve Awesome Confirmed User Industry Role: Join Date: Jan 2007 Location: Mid-West! Posts: 1,575	If you want peace of mind and speed, go with RAID 1 on 10K Western Digital Raptor drives. If that's too pricey for you, then RAID 1 on SATA is your best bet. I've got 5 pairs of 1 TB Western Digital drives that are RAID 1. __________________ *The AbbieCash Porn Network. Billing processing by CCBILL. Join our affiliate program today*. RealDollSex \| AbbieTeen \| GamerChicks \| ModelTexans \| HottieCams Nintendo 3DS Porn Blog \| Steve's Adult Industry Blog \| Abbie Bueller's Porn Blog

12-29-2007, 01:40 PM	#8
TidalWave Confirmed User Industry Role: Join Date: Sep 2007 Location: Los Angeles Posts: 2,706	RAID-1 does not give you speed, only mirroring __________________ www.SwiftNode.com

12-28-2007, 09:10 PM	#2
rowan Too lazy to set a custom title Join Date: Mar 2002 Location: Australia Posts: 17,393	Some details about the controller may help, that's a bit like asking where the rear demister switch is on your "car" It may be possible to migrate from a RAID5 to RAID0 array without needing to do a backup and restore, but I'd be backing up your data anyway.

12-28-2007, 10:52 PM	#4
rowan Too lazy to set a custom title Join Date: Mar 2002 Location: Australia Posts: 17,393	After thinking about it again I've realised a migration is impossible, because RAID0 will stripe a block of data over several drives. I was thinking more of mirroring, where there's a "spare" drive (out of the RAID5 array) that can be written to first without losing any data.

12-29-2007, 01:13 PM	#6
rowan Too lazy to set a custom title Join Date: Mar 2002 Location: Australia Posts: 17,393	How do you guys pushing RAID10 know he doesn't already have a 4 drive RAID5 system? :P One thing that hasn't been mentioned is change in capacity. By moving to RAID0, you'll gain; by moving to RAID10, you'll either stay the same (if you have 3 x RAID5 - but remember you're adding a drive to stay the same) or lose (if you have 4 x RAID5)