raidstart(8)                                                      raidstart(8)


       raidstart, raidstop, - command set to manage md devices.


       raidstart [options] <raiddevice>*

       raidstop [options] <raiddevice>*


       RAID  devices  are  virtual devices created from two or more real block
       devices. This allows multiple  disks  to  be  combined  into  a  single
       filesystem,  possibly  with  automated  backup and recovery. Linux RAID
       devices are implemented through the md device driver.

       If you’re using the /proc filesystem, /proc/mdstat gives  you  informa-
       tions about md devices status.

       Currently,  Linux  supports  linear md devices, RAID0 (striping), RAID1
       (mirrroring), and RAID4 and RAID5. For information on the various  lev-
       els of RAID, check out:


       for new releases of the RAID driver check out:


       Avaible commands are :

       mkraid  : configures (creates) md (RAID) devices in the kernel, banding
       multiple devices into one.

       raidstart : activates (starts) an existing ’persistent’ md device

       raid0run : activates old nonpersistent RAID0/LINEAR md devices

       raidstop : turns off an md device, and unconfigures (stops) it

       By default, a systems RAID configuration is kept in /etc/raidtab, which
       can configure multiple RAID devices.

       All  of these tools work similiarly. If -a (or --all) is specified, the
       specified operation is performed on all of the RAID  devices  mentioned
       in  the configuration file. Otherwise, one or more RAID devices must be
       specified on the command line. For example:

       raid0run -a

       Starts all of the ’old’ RAID0 RAID devices specified  in  /etc/raidtab.
       If  only  /dev/md1  should  be started, the following command should be
       used instead:

       raidstart /dev/md1


       -a, --all
              Apply the command to all of the configurations specified in  the
              config file.

       -c, --configfile filename
              Use  filename as the configuration file (/etc/raidtab is used by

       -h, --help
              Displays a short usage message, then exits.

       -V, --version
              Displays a short version message, then exits.


       The raidtools are derived from the  md-tools  and  raidtools  packages,
       which  were  originally  written by Marc Zyngier, Miguel de Icaza, Gadi
       Oxman, Bradley Ward Allen, and Ingo Molnar.


       no known bugs.


       raidtab(5), raid0run(8), raidstop(8), mkraid(8)


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