Comments on: RAID and LVM on Amazon EC2 (part I) http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/ All About Debian Mon, 30 Aug 2010 05:37:35 +0000 http://wordpress.org/?v=2.9 hourly 1 By: wing http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-1339 wing Mon, 30 Aug 2010 03:22:25 +0000 http://debianzone.com/?p=53#comment-1339 <strong>wing http://euggdejr.copious-systems.com/tag/Foot+wing+engagement/ : Foot...</strong> wing... wing http://euggdejr.copious-systems.com/tag/Foot+wing+engagement/ : Foot…

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]]> By: Ramses Paiva http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-22 Ramses Paiva Fri, 11 Dec 2009 12:33:59 +0000 http://debianzone.com/?p=53#comment-22 @Tim, @rob: EBS is already redundant, but in a different scope. The thing is that EBS volumes also fail. And if you rely on storing your data in a single volume and then someday your EBS is not available anymore, you're lost. Also, a RAID implementation, considering that EBS volumes fail (and they really do), will make sure your data is still there in case of a disk failure, volume unavailability, volume detached from the instance, or any other issue you may have with your volumes. One more thing where RAID and LVM are pretty useful with Amazon EBS is they can break the limitation of 1TB of a single volume. With RAID I can monitor the health of the disks, create snapshots of every disk in my array and, in case of fail, automatically create a new EBS volume, dynamically add to my RAID array, sync and have everything working normally again, without any stop in my storage. @Tim, @rob: EBS is already redundant, but in a different scope.

The thing is that EBS volumes also fail. And if you rely on storing your data in a single volume and then someday your EBS is not available anymore, you’re lost.

Also, a RAID implementation, considering that EBS volumes fail (and they really do), will make sure your data is still there in case of a disk failure, volume unavailability, volume detached from the instance, or any other issue you may have with your volumes.

One more thing where RAID and LVM are pretty useful with Amazon EBS is they can break the limitation of 1TB of a single volume.

With RAID I can monitor the health of the disks, create snapshots of every disk in my array and, in case of fail, automatically create a new EBS volume, dynamically add to my RAID array, sync and have everything working normally again, without any stop in my storage.

]]> By: Tim Dysinger http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-21 Tim Dysinger Thu, 10 Dec 2009 03:48:49 +0000 http://debianzone.com/?p=53#comment-21 EBS is already redundant within the same datacenter. Raid5 isn't going to help you. EBS is already redundant within the same datacenter. Raid5 isn’t going to help you.

]]> By: RAID and LVM on Amazon EC2 (part I) › ec2base http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-20 RAID and LVM on Amazon EC2 (part I) › ec2base Thu, 10 Dec 2009 00:29:25 +0000 http://debianzone.com/?p=53#comment-20 [...] http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/ [...] [...] http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/ [...]

]]> By: rob http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-19 rob Wed, 09 Dec 2009 21:19:15 +0000 http://debianzone.com/?p=53#comment-19 I don't get it. Why do you need to raid ebs volumes if they're already redundant? I don’t get it. Why do you need to raid ebs volumes if they’re already redundant?

]]> By: pligg.com http://debianzone.org/raid-and-lvm-on-amazon-ec2-part-i/comment-page-1/#comment-18 pligg.com Wed, 09 Dec 2009 06:33:50 +0000 http://debianzone.com/?p=53#comment-18 <strong>RAID and LVM on Amazon EC2 (part I) | DebianZone...</strong> All about debian distorsThis is the first part of three articles I’m posting for a great storage solution using RAID, LVM and Amazon Elastic Block Store (EBS).... RAID and LVM on Amazon EC2 (part I) | DebianZone…

All about debian distorsThis is the first part of three articles I’m posting for a great storage solution using RAID, LVM and Amazon Elastic Block Store (EBS)….

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