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Subject: Re: how to access ZFS snapshot via iSCSI
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On 2012-09-26 16:37, Zeus Panchenko wrote:
> LU5 HDD UNIT
> LU5: LUN0 file=/dev/zvol/storage/win/zvol-totest@hourly-2012-09-26-11, size=536870912000
> LU5: LUN0 1048576000 blocks, 512 bytes/block
> istgt_lu_disk.c: 642:istgt_lu_disk_init: ***ERROR*** LU5: LUN0: open error(errno=17)
> istgt_lu.c:2091:istgt_lu_init_unit: ***ERROR*** LU5: lu_disk_init() failed
> istgt_lu.c:2166:istgt_lu_init: ***ERROR*** LU5: lu_init_unit() failed
> istgt.c:2799:main: ***ERROR*** istgt_lu_init() failed
> /usr/local/etc/rc.d/istgt: WARNING: failed to start istgt
>
>
> where am I wrong?
>

istgt likely tries to open the snapshot read-write, maybe
http://mebsd.com/configure-freebsd-servers/istgt-iscsi-dvd-target-istgt-conf.html 
will work.