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I'm currently running raid 0+1; four 500 GB drives in the array..
I'm looking at migrating the array from 0+1 (Stripe+Mirror) to 0 only (stripe).. The goal is to remove the hard drives from the array in order to put them in the newly purchased Drobo, ...
Started by werelord on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
In theory, you canIt is absolutely....
You seem concerned about loss of data quite a bit, yet you're copying it all to a RAID 0? In RAID 0 one disk dies and you have absolutely nothing .
A massive RAID 0 and off you go.
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Currently I have a raid0 SAS array in my system (I know, you must think I really hate my data to have this) and really like the performance over a single disk. A couple months back I built a new system for myself at work which is using SSDs and can't ...
Started by Brian Surowiec on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at superuser):
All this depends from ....
You effectively lose to RAID5 or RAID10 (Which is a mirrored raid 0 array) which get's the best of both worlds.
You need at least 3 disks.
Hit when writing, over a RAID 0 striped array.
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I setup a virtual server on a Dell 1950 with 2 500GB SATA drives running in RAID 1. I've found that these drives are just too slow for what I'm doing and I have access to 2 146GB 15k SAS 3.0 drives which should work pretty well for this setup. I'm thinking...
Started by tankman1989 on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at hardforum):
You already have data on the 500GB mirror? If so, what filesystem? What OS are you migrating? Figure out how much you shrink the partition if possible, then use VMware converter to dump the OS image to your ESXi box. .
I'm confused.
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Situation is this. A PC with 2 hard disks, in an RAID 0 Array.
The electronics on one of the disks has failed. I can not find the same board for the disk (I've tried this, removed board from the OK disk, and the second, the damaged one, works fine).
I...
Answer Snippets (Read the full thread at superuser):
It will merely....
It will not try to "fix" your RAID.
You could try RAID Reconstructor .
You literally have striping the disks, there is no redundancy .
RAID 0 caused half of data to be on one disk and half on other.
You cannot.
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I have a single partition on a Raid 0 array of 3 drives using my motherboard's raid support(DFI INFINITY 975X LGA 775 Intel 975X ATX).
Currently I have Win XP 32bit installed. I would like to install Windows 7 64bit when it comes out on a second partition...
Answer Snippets (Read the full thread at superuser):
However if you want to resize the raid array and not the partition I think you needThe partitioning software knows nothing about your raid setup so whatever software you chose said that partition software will....
It will work fine.
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I'm in the process of a new build and have picked up a couple of the Corsair Performance Pro 256GB SSDs.
Considerations:
1) Capacity: 256GB is enough capacity for a boot drive, but my preference would be to have a single 512GB drive. Winner: RAID 0
2)...
Started by morphine on
, 26 posts
by 17 people.
Answer Snippets (Read the full thread at techreport):
I used to rave about how fast my array was...but if what of messing around with RAID 0 and SSD's, two, four, onboard RAID, Adaptec RAID, my conclusion is simple....
Between a single drive and two in RAID 0.
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My question is: when is it appropriate to simply create one large array with fast read & write performance, such as RAID 10, instead of creating smaller arrays for specific applications?
It seems to me that if my overall I/O requirements are not terribly...
Started by Boden on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at serverfault):
RAID 0+1 where you build 2 RAID....
RAID 10 comes in 2 flavours:
RAID 1+0 where you build 2 RAID 1 arrays, then stripe them.
Disc array correctly, get it wrong and you're in for a long rebuild time.
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After upgrading to Ubuntu 9.04, my raid 5 array is no longer being assembled correctly. Right now, from boot, it will start a raid array using ata-MAXTOR_STM3500630AS_9QG03T0L-part1, at /dev/md0, but that is fail because it isn't my whole Raid 5 setup...
Started by Montana Harkin on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
Update-initramfs....
You are updating the initramfs after you change /etc/mdadm/mdadm.conf right? If you don't, when you boot your changes won't be used .
Also see what /usr/share/mdadm/mkconf outputs and try using that.
Using the UUID is the preferred method.
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Currently i have a RAID 0 array on a marvell controller (sata 6gbs) - but i want to get some SSD.
so , is it possible to move it off the marvell array and onto another controller?
Started by HalloweenJack on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at hexus):
You would have to make partition images of the array contents, move the drive, create a new array, then restore the images..
Short answer is no.
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Currently i have a RAID 0 array on a marvell controller (sata 6gbs) - but i want to get some SSD.
so , is it possible to move it off the marvell array and onto another controller?
Started by HalloweenJack on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at hexus):
You would have to make partition images of the array contents, move the drive, create a new array, then restore the images..
Short answer is no.
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