RAID1

Mar 11, 2007

I never use RAID1, but consider to use RAID1 server.

Let's say one hard drive failed and the DC replaced it with the new one, I was wondering if the system will automatically copy the data into the new drive or we should do some commands to copy the data into the new drive?

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Performance Of 2 X 1TB RAID1

Feb 7, 2009

I have to leave the Supermicro servers and use only Dell. I have this question.

There is a big difference in performance between these two RAID configurations?

Dell - 2 x 1TB RAID1 PERC6

Supermicro - 4 x 500GB RAID10 3ware 4 port

It is for use with webhosting.

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Additional H.D.D And RAID1

Nov 28, 2008

I have 2*400gb H.D.D on my server.

I have run RAID1 (software) on my server. Is it posible to disable RAID1 and use secondary 400gb H.D.D as additional H.D.D (800gb) and add another 1000gb H.D.D on my server and run RAID1 on server again? For have mirror data as RAID1 in 1000gb H.D.D

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RAID1 Or RAID5? Which Is Best

Jul 30, 2008

What do you feel is better for a typical shared/reseller hosting server?

RAID 1 or RAID 5 (with three drives)?

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Raid1 Partition

May 26, 2008

If this is not in the right forum for this... I'm sorry didnt knew where else it may go.

I have to build a new server with RAID 1 and WHM/Cpanel installed (in fact i dont have to, but i need to learn ASAP and my boss gave me an old server for practice).

I've seen the installation guide of cpanel but the sizes of the partitions apply to a disk of 80 GB (i think so) so is there any way to calculate the size of the partitions, regardless of disk size? cuz mine are of 250 gb each.

I'm trying to install it on centos 5 on text mode, so far i have been able to successfully install the system (with partitions of any size... since is a test doesnt matter) with RAID 1.

After that i ran cat /proc/mdstat and in some partitions shows me this

Rsync=Delayed

I've read in some places that this is not a big issue... but in other places says it is... maybe i did something wrong

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How Do We Configure RAID1

Aug 7, 2007

I would like to configure RAID 1 setup. Do I need extra hardware or if I have 2 hard drives can I set it up?

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RAID1 On Freebsd

Oct 1, 2007

I plan to install one server with RAID with that run on a dedicated card which support FreeBSD. As i have not much experience in this,

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RAID0, RAID1, RAID5

May 30, 2008

Which to choose? RAID0, RAID1 or RAID5?

how can explain what is the best one and why?

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Software Raid1 Setup On Centos 5

Dec 4, 2008

How can setup software raid1 on centos 5?

Can you provide any refrence?

I see [url]but i dont know is this need to /boot partition or no? and if need to this, is it must set for raid1 too?

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LVM With RAID1 In Text Mode Centos Installation

Jun 28, 2009

How can config LVM with RAID1 in text mode centos 5.3 installation?

I need to do it for xen installation.

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3ware Raid1 + Xen = Slow Disk Access

Jan 29, 2007

I have configured a Xen setup on a dual xeon system with a 3ware 8506 2 ports sata controller.

Array is configured in raid1 and I am using LVM.

I get really slow accesses on the virtual machines, when I create a big ext3 system, the system is nearly freezing.

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Typical Read/write Speed For Software Raid1

Dec 21, 2008

I just got 2 dedicateds, and while creating software raid 1, upon initial sync up I'm getting around 7 megabytes per second (6700 kb/s) in write speed I assume.
This is a quad core, sata2 setup...

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No HW Raid - FreeBSD Gmirror (soft-raid1) As Best Practice For Data Integrity?

Jul 30, 2006

Dedicated server has 2 HDD but I am not going to pay another $25/month for the hardware RAID solution (already stretched too far).

My plan is to install FreeBSD 6 and use Gmirror to establish a raid-1 "soft" mirror.

Advantages: Entire drive is mirrored including the OS. Drives can be remotely inserted or removed from the mirror set using a console command so its possible to uncouple the mirror and perform software updates on a single drive then re-establish the mirror only after the updates have proved successful.

Disadvantages: Lower I/O than hardware solution (not a problem for me) others???

I rarely see people consider software raid for a tight-budget server and I am wondering why? Could it be that other OS's dont have a solution as good as gmirror? Or is it just that crappy soft-raid in the past has left a bitter taste in admins mouths? Or perhaps admins need the extra I/O of hardware?

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7200 Rpm Sata With Raid 10 Vs 10000 Rpm Sata With Raid1

Dec 19, 2008

about the hd,there are two options, the first one is four 7200rpm sata to do raid 10,
the second one is two 10000rpm sata to do raid 1, about the performance, which one will be better?

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