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RAID 0,1,5 ?



 
 
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  #1  
Old July 27th 08, 09:06 PM posted to comp.arch.storage
sciurospiga
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Posts: 3
Default RAID 0,1,5 ?

Hello, is possibile to create simultaneusly one RAID0 and RAID1 ?
I would obtain better performance from RAID0 and better security from RAID1.
Is better the solution with RAID5 ?
Another ask:
- when one disk crash in raid0 or raid5... what is the method to
relevate it ?

thanks
  #2  
Old July 27th 08, 09:59 PM posted to comp.arch.storage
Will Dormann
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Posts: 12
Default RAID 0,1,5 ?

sciurospiga wrote:
Hello, is possibile to create simultaneusly one RAID0 and RAID1 ?
I would obtain better performance from RAID0 and better security from
RAID1.
Is better the solution with RAID5 ?


Look into RAID 10:
http://www.acnc.com/04_01_10.html

RAID 10 will give you better performance, RAID 5 will give you more
capacity.

Another ask:
- when one disk crash in raid0 or raid5... what is the method to
relevate it ?


With RAID 0, your data is essentially gone. With RAID 5 (or 10 or any
other redundant variety), you should replace the drive asap and the
array should be able to rebuild itself.


-WD
  #3  
Old July 28th 08, 09:21 AM posted to comp.arch.storage
sciurospiga
external usenet poster
 
Posts: 3
Default RAID 0,1,5 ?

Will Dormann wrote:
sciurospiga wrote:
Hello, is possibile to create simultaneusly one RAID0 and RAID1 ?
I would obtain better performance from RAID0 and better security from
RAID1.
Is better the solution with RAID5 ?


Look into RAID 10:
http://www.acnc.com/04_01_10.html

RAID 10 will give you better performance, RAID 5 will give you more
capacity.

Another ask:
- when one disk crash in raid0 or raid5... what is the method to
relevate it ?


With RAID 0, your data is essentially gone. With RAID 5 (or 10 or any
other redundant variety), you should replace the drive asap and the
array should be able to rebuild itself.


-WD


Therefore, in this case, the corrupted data is automatical reconstructed
or by means a software ?
  #4  
Old July 29th 08, 02:08 AM posted to comp.arch.storage
Lon
external usenet poster
 
Posts: 99
Default RAID 0,1,5 ?

sciurospiga wrote:
Will Dormann wrote:
sciurospiga wrote:
Hello, is possibile to create simultaneusly one RAID0 and RAID1 ?
I would obtain better performance from RAID0 and better security from
RAID1.
Is better the solution with RAID5 ?


Look into RAID 10:
http://www.acnc.com/04_01_10.html

RAID 10 will give you better performance, RAID 5 will give you more
capacity.

Another ask:
- when one disk crash in raid0 or raid5... what is the method to
relevate it ?


With RAID 0, your data is essentially gone. With RAID 5 (or 10 or
any other redundant variety), you should replace the drive asap and
the array should be able to rebuild itself.


-WD


Therefore, in this case, the corrupted data is automatical reconstructed
or by means a software ?


It depends entirely on the code that handles your raid subsystem. Some
do it automatically based on information kept in safe storage. Some you
have to enter a command.

 




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