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nobody13
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Joined: 21 Jan 2006
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 Posted: Tue Aug 19, 2008 4:04 pm Post subject: dmraid question [solved] |
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I need some help setting up raid 1. The drives were partioned under Windows ntfs, raid 1. I've got the ntfs-3g driver installed. I can run dmraid -ay then mount the drive manually or with this line in fstab "/dev/mapper/sil_aiaiaiaacjag1 /media/raid ntfs-3g 0 0" . When I reboot /dev/mapper/sil_aiaiaiaacjag1 disappears then i have to run dmraid -ay then mount -a to mount it. How do I get /dev/mapper/sil_aiaiaiaacjag1 to repopulate at boot so it will automount?
Dmraid -ay creates sil_aiaiaiaacjag and sil_aiaiaiaacjag1. How do you tell what they are? I'm assuming sil_aiaiaiaacjag referrs to my mirrored set and sil_aiaiaiaacjag1 is partition1 on it. Is this correct or should I be using a different mount point?
Last edited by nobody13 on Thu Aug 21, 2008 11:15 pm; edited 1 time in total |
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nobody13
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| Posted: Wed Aug 20, 2008 5:22 pm Post subject: |
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| anyone please? |
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Mad Merlin
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nobody13
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| Posted: Thu Aug 21, 2008 11:15 pm Post subject: |
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I just found the answer by mistake. Hopefully this helps someone. All the wiki howtoos are for setting up a drive to boot from. I noticed a file /etc/dmtab and took a look inside and found this:
| Code: | #/etc/dmraid: config file for adding device-mapper volumes at boot
# $Header: /var/cvsroot/gentoo-x86/sys-fs/device-mapper/files/dmtab,v 1.1 2005/03/01 22:45:26 vapier Exp $
# Format: <volume name>: <table>
# Example: isw0: 0 312602976 striped 2 128 /dev/sda 0 /dev/sdb 0
#
# Alternatively you can create all your volumes the first time, and just run:
#
# dmsetup table >> /etc/dmtab
#
# and verify that they are correct.
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I did this:
# dmsetup table >> /etc/dmtab
and it added this to dmtab:
| Code: |
sil_aiaiaiaacjag: 0 976771120 mirror core 2 131072 nosync 2 8:0 0 8:16 0
sil_aiaiaiaacjag3: 0 362378205 linear 253:0 614389860
sil_aiaiaiaacjag2: 0 307194930 linear 253:0 307194930
sil_aiaiaiaacjag1: 0 307194867 linear 253:0 63 |
then rebooted and my my drive is now mounted under /media/raid/ |
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