Revision 89b70f39
| b/Makefile.am | ||
|---|---|---|
| 445 | 445 |
echo "TOOLSDIR = '$(toolsdir)'"; \ |
| 446 | 446 |
echo "GNT_SCRIPTS = [$(foreach i,$(notdir $(gnt_scripts)),'$(i)',)]"; \ |
| 447 | 447 |
echo "PKGLIBDIR = '$(pkglibdir)'"; \ |
| 448 |
echo "DRBD_BARRIERS = $(DRBD_BARRIERS)"; \ |
|
| 448 | 449 |
} > $@ |
| 449 | 450 |
|
| 450 | 451 |
$(REPLACE_VARS_SED): Makefile |
| b/configure.ac | ||
|---|---|---|
| 108 | 108 |
[kvm_path="/usr/bin/kvm"]) |
| 109 | 109 |
AC_SUBST(KVM_PATH, $kvm_path) |
| 110 | 110 |
|
| 111 |
# ---with-lvm-stripecount=...
|
|
| 111 |
# --with-lvm-stripecount=... |
|
| 112 | 112 |
AC_ARG_WITH([lvm-stripecount], |
| 113 | 113 |
[AS_HELP_STRING([--with-lvm-stripecount=NUM], |
| 114 | 114 |
[the number of stripes to use for LVM volumes] |
| ... | ... | |
| 118 | 118 |
[lvm_stripecount="1"]) |
| 119 | 119 |
AC_SUBST(LVM_STRIPECOUNT, $lvm_stripecount) |
| 120 | 120 |
|
| 121 |
# --enable-drbd-barriers |
|
| 122 |
AC_ARG_ENABLE([drbd-barriers], |
|
| 123 |
[AS_HELP_STRING([--enable-drbd-barriers], |
|
| 124 |
[enable the DRBD barrier functionality (>= 8.0.12) (default: enabled)])], |
|
| 125 |
[[if test "$enableval" != no; then |
|
| 126 |
DRBD_BARRIERS=True |
|
| 127 |
else |
|
| 128 |
DRBD_BARRIERS=False |
|
| 129 |
fi |
|
| 130 |
]], |
|
| 131 |
[DRBD_BARRIERS=True]) |
|
| 132 |
AC_SUBST(DRBD_BARRIERS, $DRBD_BARRIERS) |
|
| 133 |
|
|
| 121 | 134 |
# Check common programs |
| 122 | 135 |
AC_PROG_INSTALL |
| 123 | 136 |
AC_PROG_LN_S |
| b/lib/bdev.py | ||
|---|---|---|
| 1215 | 1215 |
"--create-device"] |
| 1216 | 1216 |
if size: |
| 1217 | 1217 |
args.extend(["-d", "%sm" % size]) |
| 1218 |
if not constants.DRBD_BARRIERS: # disable barriers, if configured so |
|
| 1219 |
version = cls._GetVersion() |
|
| 1220 |
# various DRBD versions support different disk barrier options; |
|
| 1221 |
# what we aim here is to revert back to the 'drain' method of |
|
| 1222 |
# disk flushes and to disable metadata barriers, in effect going |
|
| 1223 |
# back to pre-8.0.7 behaviour |
|
| 1224 |
vmaj = version['k_major'] |
|
| 1225 |
vmin = version['k_minor'] |
|
| 1226 |
vrel = version['k_point'] |
|
| 1227 |
assert vmaj == 8 |
|
| 1228 |
if vmin == 0: # 8.0.x |
|
| 1229 |
if vrel >= 12: |
|
| 1230 |
args.extend(['-i', '-m']) |
|
| 1231 |
elif vmin == 2: # 8.2.x |
|
| 1232 |
if vrel >= 7: |
|
| 1233 |
args.extend(['-i', '-m']) |
|
| 1234 |
elif vmaj >= 3: # 8.3.x or newer |
|
| 1235 |
args.extend(['-i', '-a', 'm']) |
|
| 1218 | 1236 |
result = utils.RunCmd(args) |
| 1219 | 1237 |
if result.failed: |
| 1220 | 1238 |
_ThrowError("drbd%d: can't attach local disk: %s", minor, result.output)
|
| b/lib/constants.py | ||
|---|---|---|
| 255 | 255 |
# drbd constants |
| 256 | 256 |
DRBD_HMAC_ALG = "md5" |
| 257 | 257 |
DRBD_NET_PROTOCOL = "C" |
| 258 |
DRBD_BARRIERS = _autoconf.DRBD_BARRIERS |
|
| 258 | 259 |
|
| 259 | 260 |
# file backend driver |
| 260 | 261 |
FD_LOOP = "loop" |
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