Re: create raid /dev/md2

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S.Tindall wrote:
David Hlácik" wrote on Friday, April 18, 2008 11:40 AM:
Hi , currently i have 2 raid devices /dev/md0 and /dev/md1 , i have added 2 new disks, fdisked , created 2 primary partitions with type fd (linux raid autodetect)
Now i want to create raid from them

root@vmhost1 ~]# mdadm --create --verbose /dev/md2 --level=1 /dev/sdc1
/dev/sdd1
mdadm: error opening /dev/md2: No such file or directory

will return that error, what shouldi do?

Not familiar with that error, but try specifying the number of devices:

# mdadm -C /dev/md2 -l1 -n2 /dev/sd[cd]1

Steve Tindall

Forgot to ask, does /dev/md2 exists in /dev?

If not, you can still use makedev to generate it:

# cd /dev
# MAKEDEV md

Undocumented, but it still works.


man mdadm

-a, --auto{=no,yes,md,mdp,part,p}{NN}

Instruct mdadm to create the device file if needed, possibly allocating an unused minor number . . . . .


--
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240


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