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SNDISKMOVE(1)                                                                                  SNDISKMOVE(1)



NAME
       sndiskmove - Xsan File System Disk Mover Utility

SYNOPSIS
       sndiskmove [-fqv] [-s suffix] [-b bufMB] [-S file] <SourceVolume> <DestinationVolume>

DESCRIPTION
       sndiskmove  is a utility for migrating the contents of a disk to a new disk.  This is accomplished by
       copying the data from the disk and relabeling the destination disk with the name of the source  disk.
       The  source  disk  is  also  relabeled  with its original name with a suffix added (this is ".old" by
       default but this can be changed with the -s option.

       WARNING: Using this command incorrectly can cause loss of data.  Please ensure  that  you  understand
       the  procedures  to  safely execute this command completely.  Also, this command is not supported for
       filesystem disks that contain data, it must be used for Exclusive Metadata or Journal disks only.

       Attempting to run this command on a disk that is being used on an actively  running  filesystem  will
       cause  data  corruption.   All  referencing filesystems must be stopped and remain stopped during the
       processing of this command.

       If successful, the command will cause the local fsmpm process to rescan the disks on the  host  where
       the  command is executed.  If there are any FSMs configured on other hosts, it is critical to request
       a rescan of the disks before reenabling the FSM on those servers by invoking

          cvadmin -e 'disks refresh'

       on those hosts.

OPTIONS
       -f     Forces the disk data to be moved without confirmation from the user.  WARNING: Use  this  flag
              with extreme caution!

       -q     Run in quiet mode.  This disables the progress display.

       -v     Causes sndiskmove to be verbose.

       -s suffix
              Uses the supplied suffix to relabel the source disk.

       -b bufsizeMB
              Specifies  the  buffer  size  to use for the copying of disk data (in megabytes).  The default
              value is 4MB.

       -S file
              Writes status monitoring information in the supplied file.  This is used  internally  by  Xsan
              and the format of this file may change.

SEE ALSO
       cvadmin(1)



Xsan File System                                December 2006                                  SNDISKMOVE(1)