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Old 01-12-2008, 10:04 PM   #1
hocheetiong
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Registered: Jul 2007
Location: Penang , Malaysia.
Distribution: red hat linux
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Smile Error when create second Software Raid devices?


Hi, RHEL5 create first software raid is ok,but when create second software raid have a errors?

# mdadm --verbose --create /dev/md0 --level=5 \--raid-devices=3 /dev/sda5 /dev/sda6 /dev/sda7

This i am finish and success create first software raid device.



# mdadm --verbose --create /dev/md1 --level=5 \--raid-devices=3 /dev/sda8 /dev/sda9 /dev/sda10

When create second software raid devices than having a error some thing like " /dev/md1 not found in directory"....

I have try to remove all software raid device and recreate first raid device, and using name " /dev/md1 " still cannot, why only can using name " /dev/md0" ?

Last edited by hocheetiong; 01-13-2008 at 04:27 AM. Reason: sorry, wrong type on mdadm command...
 
Old 01-13-2008, 02:40 PM   #2
Jirka11
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Registered: Jan 2008
Posts: 24

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Quote:
Originally Posted by hocheetiong View Post
Hi, RHEL5 create first software raid is ok,but when create second software raid have a errors?

# mdadm --verbose --create /dev/md0 --level=5 \--raid-devices=3 /dev/sda5 /dev/sda6 /dev/sda7

This i am finish and success create first software raid device.



# mdadm --verbose --create /dev/md1 --level=5 \--raid-devices=3 /dev/sda8 /dev/sda9 /dev/sda10

When create second software raid devices than having a error some thing like " /dev/md1 not found in directory"....

I have try to remove all software raid device and recreate first raid device, and using name " /dev/md1 " still cannot, why only can using name " /dev/md0" ?
There is some command mknod with which you can create /dev/md1

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