RAID on Red Hat Linux 7.2 Post: 302105022

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Operating Systems Linux Red Hat RAID on Red Hat Linux 7.2 Post 302105022 by BOFH on Tuesday 30th of January 2007 08:40:17 AM

01-30-2007

Registered User

I'm using software RAID (mirroring) on my Linux box. If I run df, I see this:

Code:

$ df -k
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/md0               5036160    111016   4669320   3% /
df: `/proc/bus/usb': Permission denied
/dev/hda9              1296568     37360   1193344   4% /boot
/dev/md1              18136968   1455148  16681820   9% /home
/dev/md2              40313848  12277432  25988540  33% /usr
/dev/md3              10072680    764916   8796100   9% /var

And my vstab output looks like this:

Code:

none /dev/pts devpts mode=0620 0 0
/dev/md1 /home ext3 defaults 1 2
/dev/hdb /mnt/cdrom auto user,iocharset=iso8859-1,codepage=850,noauto,ro,exec 0 0
/dev/scd0 /mnt/cdrom2 auto user,iocharset=iso8859-1,codepage=850,noauto,ro,exec 0 0
none /proc proc defaults 0 0
/dev/md2 /usr ext3 defaults 1 2
/dev/md3 /var ext3 defaults 1 2
/dev/hda5 swap swap defaults 0 0
/dev/hdc5 swap swap defaults 0 0

The /dev/mdn are the "Metadevices".

It's been a while since I set mine up but from your fstab output, I'd say you were not running a software RAID.

Carl

BOFH

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LEARN ABOUT DEBIAN

mkdevmaps

mkdevmaps(1M)						  System Administration Commands					     mkdevmaps(1M)

NAME

       mkdevmaps - make device_maps entries

SYNOPSIS

       /usr/sbin/mkdevmaps

DESCRIPTION

       The  mkdevmaps  command	writes	to standard out a set of device_maps(4) entries describing the system's frame buffer, audio, and removable
       media devices.

       The mkdevmaps command is used by the init.d(4) scripts to create or update the /etc/security/device_maps file.

       Entries are generated based on the device special files found in /dev. For the different  categories  of  devices,  the	mkdevmaps  command
       checks for the following files under /dev:

       audio	       /dev/audio, /dev/audioctl, /dev/sound/...
       tape	       /dev/rst*, /dev/nrst*, /dev/rmt/...
       floppy	       /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd*
       removable disk  /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s?
       frame buffer    /dev/fb

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Obsolete			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       allocate(1), bsmconv(1M), attributes(5)

NOTES

       mkdevmaps might not be supported in a future release of the Solaris operating system.

SunOS 5.10							    8 Oct 2003							     mkdevmaps(1M)