Re: [Xen-devel] block-iscsi with Xen 4.5 / 4.6

[Steven Haigh <netwiz@xxxxxxxxx>]

On 2016-04-15 17:46, Roger Pau Monné wrote:
> On Fri, Apr 15, 2016 at 05:28:12PM +1000, Steven Haigh wrote:
> > On 2016-04-15 17:23, Roger Pau Monné wrote:
> > > On Fri, Apr 15, 2016 at 04:59:11PM +1000, Steven Haigh wrote:
> > > > Hi all,
> > > >
> > > > I'm wading through the somewhat confusing world of documentation
> > > > regarding
> > > > storing DomU disk images on an iSCSI target.
> > > >
> > > > I'm getting an error when using pygrub of:
> > > > OSError: [Errno 2] No such file or directory: 
> > 'iqn=iqn.1986-03.com.sun:02:ff2d12c0-b709-4ec0-999d-976506c666f5,portal=192.168.133.250'
> > >
> > > Hello,
> > >
> > > It should work. Can you please paste your guest configuration file and
> > > the
> > > output of the create command with "-vvv"?
> >
> > DomU config file:
> > bootloader      = "pygrub"
> > name            = "test1.vm"
> > memory          = 2048
> > vcpus           = 2
> > cpus            = "1-7"
> > vif             = ['bridge=br-151, vifname=vm.test1']
> > disk            = 
> > ['script=block-iscsi,vdev=xvda,target=iqn=iqn.1986-03.com.sun:02:ff2d12c0-b709-4ec0-999d-976506c666f5,portal=192.168.133.250']
> > boot            = "c"
> >
> > # xl create /etc/xen/test1.vm -d -c
> Please post the output of xl -vvv create /etc/xen/test1.vm.
Whoops - apologies:

# xl -vvv create /etc/xen/test1.vm
Parsing config from /etc/xen/test1.vm
libxl: debug: libxl_create.c:1507:do_domain_create: ao 0x20b7260: 
create: how=(nil) callback=(nil) poller=0x20b6b30
libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend: Disk 
vdev=xvda spec.backend=unknown
libxl: debug: libxl_device.c:207:disk_try_backend: Disk vdev=xvda, uses 
script=... assuming phy backend
libxl: debug: libxl_device.c:298:libxl__device_disk_set_backend: Disk 
vdev=xvda, using backend phy
libxl: debug: libxl_create.c:907:initiate_domain_create: running 
bootloader
libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend: Disk 
vdev=(null) spec.backend=phy
libxl: debug: libxl_device.c:207:disk_try_backend: Disk vdev=(null), 
uses script=... assuming phy backend
libxl: debug: libxl.c:3064:libxl__device_disk_local_initiate_attach: 
locally attaching PHY disk 
iqn=iqn.1986-03.com.sun:02:ff2d12c0-b709-4ec0-999d-976506c666f5,portal=192.168.133.250
libxl: debug: libxl_bootloader.c:411:bootloader_disk_attached_cb: Config 
bootloader value: pygrub
libxl: debug: libxl_bootloader.c:427:bootloader_disk_attached_cb: 
Checking for bootloader in libexec path: /usr/lib/xen/bin/pygrub
libxl: debug: libxl_create.c:1523:do_domain_create: ao 0x20b7260: 
inprogress: poller=0x20b6b30, flags=i
libxl: debug: libxl_event.c:581:libxl__ev_xswatch_register: watch 
w=0x20b7a30 wpath=/local/domain/12 token=3/0: register slotnum=3
libxl: debug: libxl_event.c:1950:libxl__ao_progress_report: ao 
0x20b7260: progress report: ignored
libxl: debug: libxl_bootloader.c:537:bootloader_gotptys: executing 
bootloader: /usr/lib/xen/bin/pygrub
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader 
arg: /usr/lib/xen/bin/pygrub
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader 
arg: --output=/var/run/xen/bootloader.12.out
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader 
arg: --output-format=simple0
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader 
arg: --output-directory=/var/run/xen/bootloader.12.d
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader 
arg: 
iqn=iqn.1986-03.com.sun:02:ff2d12c0-b709-4ec0-999d-976506c666f5,portal=192.168.133.250
libxl: debug: libxl_event.c:518:watchfd_callback: watch w=0x20b7a30 
wpath=/local/domain/12 token=3/0: event epath=/local/domain/12
libxl: error: libxl_bootloader.c:630:bootloader_finished: bootloader 
failed - consult logfile /var/log/xen/bootloader.12.log
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: bootloader 
[-1] exited with error status 1
libxl: debug: libxl_event.c:619:libxl__ev_xswatch_deregister: watch 
w=0x20b7a30 wpath=/local/domain/12 token=3/0: deregister slotnum=3
libxl: error: libxl_create.c:1121:domcreate_rebuild_done: cannot 
(re-)build domain: -3
libxl: info: libxl.c:1698:devices_destroy_cb: forked pid 3003 for 
destroy of domain 12
libxl: debug: libxl_event.c:1774:libxl__ao_complete: ao 0x20b7260: 
complete, rc=-3
libxl: debug: libxl_event.c:1746:libxl__ao__destroy: ao 0x20b7260: 
destroy
xc: debug: hypercall buffer: total allocations:41 total releases:41
xc: debug: hypercall buffer: current allocations:0 maximum allocations:2
xc: debug: hypercall buffer: cache current size:2
xc: debug: hypercall buffer: cache hits:30 misses:2 toobig:9

--
Steven Haigh

Email: netwiz@xxxxxxxxx
Web: https://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897

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