error of Migration failed when migrating Webserver VM with 100 connecitons
using httperf
First time it generats (a part of follwoing output):
migration target: Transfer complete, requesting permission to start domain.
migration sender: Target has acknowledged transfer.
migration sender: Giving target permission to start.
migration target: Got permission, starting domain.
[everything ok uptill now]
libxl: error: libxl.c:321:libxl__domain_rename: domain with name "drbdvm1"
already exists.
migration target: Failure, destroying our copy.
migration sender: Target reports startup failure (status code 6).
migration target: Cleanup OK, granting sender permission to resume.
migration sender: Trying to resume at our end.
libxl: debug: libxl.c:435:libxl_domain_resume: ao 0xa91bf0: create: how=(nil)
callback=(nil) poller=0xa91c50
xc: error: Cannot resume uncooperative HVM guests: Internal error
libxl: error: libxl.c:404:libxl__domain_resume: xc_domain_resume failed for
domain 10: No such file or directory
libxl: debug: libxl_event.c:1499:libxl__ao_complete: ao 0xa91bf0: complete,
rc=-3
libxl: debug: libxl.c:438:libxl_domain_resume: ao 0xa91bf0: inprogress:
poller=0xa91c50, flags=ic
libxl: debug: libxl_event.c:1471:libxl__ao__destroy: ao 0xa91bf0: destroy
Migration failed due to problems at target.
Second time it generates (a part of follwing output):
xc: detail: Start last iteration
[everything ok uptill now]
libxl: debug: libxl_dom.c:933:libxl__domain_suspend_common_callback: issuing
PVHVM suspend request via XenBus control node
libxl: debug: libxl_dom.c:937:libxl__domain_suspend_common_callback: wait for
the guest to acknowledge suspend request
libxl: error: libxl_dom.c:958:libxl__domain_suspend_common_callback: guest
didn't acknowledge suspend, cancelling request
libxl: error: libxl_dom.c:980:libxl__domain_suspend_common_callback: guest
didn't acknowledge suspend, request cancelled
xc: error: Suspend request failed: Internal error
xc: error: Domain appears not to have suspended: Internal error
libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch w=0x21c5f80
wpath=/local/domain/0/device-model/10/logdirty/ret token=3/1: register slotnum=3
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x21c5f80
wpath=/local/domain/0/device-model/10/logdirty/ret token=3/1: event
epath=/local/domain/0/device-model/10/logdirty/ret
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x21c5f80
wpath=/local/domain/0/device-model/10/logdirty/ret token=3/1: event
epath=/local/domain/0/device-model/10/logdirty/ret
libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch w=0x21c5f80
wpath=/local/domain/0/device-model/10/logdirty/ret token=3/1: deregister
slotnum=3
libxl: debug: libxl_event.c:426:watchfd_callback: watch
epath=/local/domain/0/device-model/10/logdirty/ret token=3/1: empty slot
xc: detail: Save exit rc=1
libxl-save-helper: debug: complete r=1: No such device
libxl: error: libxl_dom.c:1266:libxl__xc_domain_save_done: saving domain:
domain did not respond to suspend request: No such device
libxl: debug: libxl_event.c:1499:libxl__ao_complete: ao 0x21c5bf0: complete,
rc=-8
libxl: debug: libxl_event.c:1471:libxl__ao__destroy: ao 0x21c5bf0: destroy
migration sender: libxl_domain_suspend failed (rc=-8)
xc: error: 0-length read: Internal error
xc: error: read_exact_timed failed (read rc: 0, errno: 0): Internal error
xc: error: Error when reading batch size (0 = Success): Internal error
xc: error: Error when reading batch (0 = Success): Internal error
libxl: error: libxl_create.c:820:libxl__xc_domain_restore_done: restoring
domain: Resource temporarily unavailable
libxl: error: libxl_create.c:902:domcreate_rebuild_done: cannot (re-)build
domain: -3
libxl: error: libxl.c:1394:libxl__destroy_domid: non-existant domain 6
libxl: error: libxl.c:1358:domain_destroy_callback: unable to destroy guest
with domid 6
libxl: error: libxl_create.c:1153:domcreate_destruction_cb: unable to destroy
domain 6 following failed creation
migration target: Domain creation failed (code -3).
libxl: info: libxl_exec.c:118:libxl_report_child_exitstatus: migration target
process [11104] exited with error status 3
Migration failed, failed to suspend at sender.
What goes wrong please tell me?It also shows migration of Webserver VM at
destination and it can be manually started and in worknig condition. But
at sender, VM is still continueing webserver based httperf connections and
doesn't turn off....so i can have VM at both side ..why sender is not stopping
activity?
Regards,
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