[Devil-linux-develop] mmm... strange thing...

[Diego T. <dt...@co...>]

As i said this morning:

# echo 'DEVICE /dev/hd* /dev/sd*' > /etc/mdadm.conf
# mdadm --create /dev/md0 --chunk=64 --level=raid1 --raid-devices=2 /dev/hda1 /dev/hdc1
mdadm: error opening /dev/md0: No such file or directory
root@Devil:/etc # lsmod
Module                  Size  Used by    Not tainted
raid1                  12652   0  (unused)
md                     57472   0  [raid1]
tun                     4160   0  (unused)
tulip                  40480   1
# ls -la /dev/md0
ls: /dev/md0: No such file or directory

so something is wrong here?

# strace mdadm --create /dev/md0 --chunk=64 --level=raid1 --raid-devices=2 /dev/hda1 /dev/hdc1
brk(0x805d300)                          = 0x805d300
brk(0x805e000)                          = 0x805e000
open("/dev/md0", O_RDWR)                = -1 ENOENT (No such file or directory)
write(2, "mdadm: error opening /dev/md0: N"..., 57mdadm: error opening /dev/md0: No such file or directory
) = 57
semget(1, 1075025664, 0)                = -1 ENOSYS (Function not implemented)
_exit(1)                                = ?

and if i create the /dev/md0 as other faqs suggest:
# mknod /dev/md0 b 9 0

now it's working :)

so we need to create /dev/md0 on every boot... where should we create it? on the /etc/init.d/mdadm ? there is on mdadm :)

-- 
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Diego Torres - dt...@co... - Madrid / España