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       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  com­
       bined  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 informations about md devices status.

       Currently, Linux supports linear md devices, RAID0 (strip­
       ing),  RAID1 (mirrroring), and RAID4 and RAID5. For infor­
       mation on the various levels 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

       raid0run : activates  old  nonpersistent  RAID0/LINEAR  md

       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. Oth­
       erwise, 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 fol­
       lowing 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 default).

       -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


       no known bugs.


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

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