RAID0 aka striped set (no redundancy)
0
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0answers
31 views
Reconfigure from Raid0 to Raid1, is it possible?
currently I have Fujitsu tx140 s1p servers, one Tower and one Rack.
They are both running with the same hardware, configures the same way, so I'll just ask one Q for both.
They have an motherboard ...
0
votes
1answer
27 views
re-mount two old disk from raid0 setup to recover data
I had setup two 500gb disk in RAID0 on my server, but recently suffered a hard disk failure (saw a S.M.A.R.T error on the HDD at boot). My host has put 2 new disk in RAID-0 again (re-installed the OS) ...
0
votes
2answers
122 views
Is it possible to change disk in RAID0 array of Intel Rapid Storage Tehnology?
My BIOS started to report red line with error for one of 2 drives in RAID0 array during boot.
But file system appears to be working without any visible problems, so I was able to make system image and ...
1
vote
0answers
50 views
FreeBSD raid issue
One of my machines (FreeBSD) has lost its raid (0/ stripe).
If I go
[root@torry /usr/home/bclark]# gstripe list
Geom name: st0
State: UP
Status: Total=3, Online=3
Type: AUTOMATIC
Stripesize: 65536
...
1
vote
2answers
131 views
What is a single drive RAID 0 array?
My understanding of RAID 0 is that the data is split and striped across all of the drives in the array. If there is only one drive in the array, then what is the point of a single drive RAID 0 array ...
-1
votes
2answers
114 views
How do RAID 0 Offers improved i/0? [duplicate]
Possible Duplicate:
What are the different widely used RAID levels and when should I consider them?
I wonder how RAID 0 offers better i/o.
If i am not wrong in RAID 0 data gets split and ...
-1
votes
1answer
121 views
Software raid 0 with six disks performance
I have some problems with disk performance. I have 6 x WD 500Gb RE4 disks. Each disk gives 135Mb/sec throughput. All measurements are made with hdparm with options "-tT" (I know that it is just ...
0
votes
1answer
141 views
Optimized raid 0 configuration for Amazon EC2 hi1.4xlarge
How do I know what is the best configuration for RAID 0 (mdadm create options) between the to ephemeral drives?
1
vote
1answer
153 views
Is this infrastructure safe for scaling EBS online?
Our application uses EBS to store data. The storage requirement of the application grows rapidly as users signup. We need to do it online so that users don't experience downtime with the application. ...
5
votes
4answers
2k views
High iowait on Amazon EC2 MySQL instance with EBS volume
We have a MySQL server running on an Amazon EC2 c1.medium instance relying on a single EBS volume using the ext3 filesystem for storage.
This MySQL server is queried ~500/ps by several applications ...
0
votes
1answer
69 views
RAID 1+0 redundancy and data-loss recovery capability against RAID 1
I have a HP ProLiant server with two SCSI drives. I wanted to set up a RAID 1 array but the RAID configurator only allowed me a RAID 0 or a RAID 1+0 array.
When either of my drive fails can I recover ...
0
votes
1answer
329 views
identifying and cloning the superblock of a raid0 mdadm v0.90 array
/dev/sdb13 174706938 976768064 401030563+ fd Linux raid autodetect
The size of that partition is 802061126 sectors. From what i read - mdadm should have placed the actual superblock ...
2
votes
1answer
228 views
FreeBSD vinum striped (RAID0) volume - performance issues
I've experimented with different striped volumes in vinum under FreeBSD 8.2-release. I have current hardware (Intel i5 processor, adequate MB and 8GB RAM).
My test-setup consists of 2 or 4 disks in a ...
0
votes
1answer
633 views
Windows 2008 R2 raid 0 over hardware raid 5
I am consider using windows raid 0 and raid 1 over two hardware 4x2tb raid 5 arrays. (thinking Seagate green drives). 2x Rocketraid 2680 controller but that could easily change.
So, that would give ...
0
votes
0answers
138 views
mdadm Build legacy array with 512-byte chunk
I'm attempting to build an array using mdadm. The array has 512-byte (not kibibyte) sized stripes. Because mdadm accepts arguments to chunk in kibibytes, not in bytes, I have been unable to build ...
2
votes
1answer
412 views
Maximum size of a RAID0 on a HP Proliant DL380 with a Smart Array 410i controller?
I've been tasked with buying a server that needs a ton of storage in a RAID0 (in the 8-12TB range). Since I know nothing about RAID controllers, I figured I could just put 4x2TB into a RAID0 array and ...
1
vote
2answers
78 views
Linux RAID0 - relocating member disk
I've got an issue I would rather handle with the array online - I am using RAID0 for temporary video storage - data that is low-cost to restore, but that is used frequently.
The software array looks ...
0
votes
1answer
67 views
Script to automate Raid0 on Windows Server 2008
Could someone point me to a script that I can run upon startup to create a Raid0 drive on windows server 2008. The inputs would be the drive letters of two drives to use for the array.
0
votes
0answers
64 views
Transfer disk from a damaged WD MyBookWorld box to a new onw
I am having an WD MyBookWorld II 2TB and the disk are configured on RAID 0.
My box is damaged but the disks are fine. I have connected them and successfully mount them on a system running ...
2
votes
3answers
591 views
How to make a byte for byte copy of a drive? [duplicate]
Possible Duplicate:
Using DD for disk cloning
What's the easiest and most reliable, risk free, way of making an exact copy of a hard drive?
We have a drive that's been messed up by someone ...
0
votes
2answers
121 views
Determining Raid Disk Set
Update
Unfortunately looks like the engineer in question had rebuilt the drive we were looking for, and the two sets he thought he had were actually from two completely different machines. I am now ...
2
votes
5answers
462 views
Recover bad data from RAID-0
I have two hard drives that were setup as RAID-0 and NTFS, one of the hard drives has bad sectors.
does anyone know if I ran Spinrite to move those bad sectors, will I still be able to access the ...
-2
votes
2answers
331 views
is xfs a good raid setup?
I'm using amazon, and there is docs everywhere to use xfs. Is xfs a software based raid? Is it fast?
1
vote
2answers
208 views
Opened raid1 in raid0, what now?
I accidentally opened my 1 disk raid1 as raid0 with mdadm --create, and this looks like it overwrote the default raid meta info, and makes my device detected as raid0 with mdadm --assemble --scan.
For ...
0
votes
4answers
2k views
HP Smart Array; Is it possible to convert Raid1 to Raid0 by dropping a failed drive?
I have a server that was running two 60GB drives as a logical RAID1. At some point the second drive was physically removed and the logical drive has been in "Interim Recovery Mode" for several months ...
2
votes
3answers
151 views
HDD RAID0 question
If you have 2 raptor 10k rpm drives in Raid0, can you add another sata (7200prm) drive outside of the RAID or would it have to be inside the RAID?
What would be the consequences of adding a 7200 RPM ...
0
votes
2answers
388 views
remove raid0 from a dell t710 using perc
I got a dell server with 2 physical harddrives that are seen as one, because the system is utilizing raid0.
How do we disable this striping, such that we can see two different drives.
I'm well aware ...
0
votes
3answers
478 views
Mixing RAID0 and RAID1 on the same set of drives
I am soon installing a new pair of drives in one of our machines that exists as a VMWare host box (running VMWare Server at the moment). They are going to be used as a RAID0 array for a couple of ...
