scripts/zpool-config/scsi_debug-noraid.sh

   1 #!/bin/bash
   2 #
   3 # 1 scsi_debug devices on top of which is layered no raid.
   4 #
   5
   6 SDSIZE=${SDSIZE:-128}
   7 SDHOSTS=${SDHOSTS:-1}
   8 SDTGTS=${SDTGTS:-1}
   9 SDLUNS=${SDLUNS:-1}
  10 LDMOD=/sbin/modprobe
  11
  12 zpool_create() {
  13         check_sd_utils
  14
  15         test `${LSMOD} | grep -c scsi_debug` -gt 0 && \
  16                 (echo 0 >/sys/module/scsi_debug/parameters/every_nth &&      \
  17                 ${RMMOD} scsi_debug || exit 1)
  18         udev_trigger
  19
  20         msg "${LDMOD} scsi_debug dev_size_mb=${SDSIZE} "                     \
  21                 "add_host=${SDHOSTS} num_tgts=${SDTGTS} "                    \
  22                 "max_luns=${SDLUNS}"
  23         ${LDMOD} scsi_debug                                                  \
  24                 dev_size_mb=${SDSIZE}                                        \
  25                 add_host=${SDHOSTS}                                          \
  26                 num_tgts=${SDTGTS}                                           \
  27                 max_luns=${SDLUNS} ||                                        \
  28                 die "Error $? creating scsi_debug devices"
  29         udev_trigger
  30         SDDEVICE=`${LSSCSI}|${AWK} '/scsi_debug/ { print $6; exit }'`
  31
  32         msg "${PARTED} -s ${SDDEVICE} mklabel gpt"
  33         ${PARTED} -s ${SDDEVICE} mklabel gpt ||                              \
  34                 (${RMMOD} scsi_debug && die "Error $? creating gpt label")
  35
  36         msg "${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${SDDEVICE}"
  37         ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${SDDEVICE} ||           \
  38                 (${RMMOD} scsi_debug && exit 1)
  39 }
  40
  41 zpool_destroy() {
  42         msg ${ZPOOL} destroy ${ZPOOL_NAME}
  43         ${ZPOOL} destroy ${ZPOOL_NAME}
  44         msg "${RMMOD} scsi_debug"
  45         ${RMMOD} scsi_debug || die "Error $? removing scsi_debug devices"
  46 }