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drbd-devstack
Code Issues Proposed changes

It's not enough to ignore the *data* LVs - .drbdctrl can race, too. 

drbd .drbdctrl/0 drbd0: open("/dev/drbdpool/.drbdctrl") failed with -16
  drbd .drbdctrl: State change failed: Need access to UpToDate data

Change-Id: Id9657ee9b4434224a4813f678d09c9b948566aaa
This commit is contained in:
Philipp Marek 2015-06-22 08:08:46 +02:00
parent b30f64534f
commit 44abfe83c0
1 changed files with 27 additions and 17 deletions
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44
devstack/lib/drbd_devstack
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@ -92,7 +92,7 @@ function _drbd_make_vg {
sudo losetup "${vg_dev}" "${FILES}/${vg_name}"
fi
local lvm_cfg="devices { global_filter=[ 'a|$vg_lo_dev|' ] }"
local lvm_cfg="devices { global_filter=[ 'a|${vg_lo_dev}|' ] }"
# # if the lvm.conf already accepts the loop device, don't insert it again
# if ! sudo grep -q "${vg_lo_dev}" /etc/lvm/lvm.conf ; then
@ -101,10 +101,10 @@ function _drbd_make_vg {
# if theres already a pv signature, don't try to recreate
if ! sudo pvdisplay | grep -q "${vg_lo_dev}" ; then
sudo pvscan --config "$lvm_cfg"
sudo pvscan --config "${lvm_cfg}"
if sudo pvdisplay | grep -q "${vg_lo_dev}" ; then
sudo pvcreate --config "$lvm_cfg" "${vg_dev}"
sudo pvcreate --config "${lvm_cfg}" "${vg_dev}"
fi
fi
@ -112,11 +112,21 @@ function _drbd_make_vg {
if ! sudo vgdisplay | grep -q "${vg_name}" ; then
sudo vgscan
if ! sudo vgdisplay | grep -q "${vg_name}" ; then
sudo vgcreate --config "$lvm_cfg" "${vg_name}" "${vg_dev}"
sudo vgcreate --config "${lvm_cfg}" "${vg_name}" "${vg_dev}"
fi
fi
}
function _modify_udev_file {
file="$1"
search="$2"
sed_cmd="$3"
if ! grep "${search}" "/lib/udev/rules.d/${file}" ; then
sudo sed -i "${sed_cmd}" "/lib/udev/rules.d/${file}"
fi
}
function configure_drbd_devstack {
# Configure the service.
# This gets called before starting the c-vol service; the next callback,
@ -144,20 +154,20 @@ function configure_drbd_devstack {
# This will result in a message like
# kernel: [...] drbd CV_...: drbdX: open("/dev/...") failed with -16
# which means EBUSY
if ! grep 'ENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_' /lib/udev/rules.d/60-persistent-storage-dm.rules ; then
# Look for the DM_SUSPENDED line, and put another one behind it.
# ENV{DM_SUSPENDED}=="1", GOTO="persistent_storage_dm_end"
# The label might have a different name (eg. on newer Debian),
# so let's look for it while we're at it.
sudo sed -i 's:DM_SUSPENDED.*=="1",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_*", GOTO="\1"\n:' /lib/udev/rules.d/60-persistent-storage-dm.rules
fi
if ! grep 'ENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_' /lib/udev/rules.d/80-btrfs-lvm.rules ; then
# The btrfs scan isn't wanted, too.
# SUBSYSTEM!="block", GOTO="btrfs_lvm_end"
sudo sed -i 's:SUBSYSTEM.="block",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_*", GOTO="\1"\n:' /lib/udev/rules.d/80-btrfs-lvm.rules
fi
_modify_udev_file 60-persistent-storage-dm.rules \
'ENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_' \
's:DM_SUSPENDED.*=="1",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_*", GOTO="\1"\n:'
_modify_udev_file 80-btrfs-lvm.rules \
'ENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_' \
's:SUBSYSTEM.="block",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DATA_VG}"'-CV_*", GOTO="\1"\n:'
# The same can happen to the DRBDmanage control volume, too, of course!
_modify_udev_file 60-persistent-storage-dm.rules \
'ENV{DM_NAME}=="'"${DRBD_DRBDCTRL_VG}"'-.drbdctrl' \
's:DM_SUSPENDED.*=="1",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DRBDCTRL_VG}"'-.drbdctrl", GOTO="\1"\n:'
_modify_udev_file 80-btrfs-lvm.rules \
'ENV{DM_NAME}=="'"${DRBD_DRBDCTRL_VG}"'-.drbdctrl' \
's:SUBSYSTEM.="block",.*GOTO="\(.*\)":&\nENV{DM_NAME}=="'"${DRBD_DRBDCTRL_VG}"'-.drbdctrl", GOTO="\1"\n:'
# initialize drbdmanage
sudo drbdmanage init --quiet