Date: Thu, 27 Aug 2015 15:00:27 +0300 From: "Zeus Panchenko" <zeus@ibs.dn.ua> To: <freebsd-fs@freebsd.org> Subject: can zfs snapshot be used to back LUN in ctl.conf ? Message-ID: <20150827150027.10825@smtp.new-ukraine.org>
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=2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 greetings, please help me to understand where to look at ... recently I switched from istgt to ctld and now wonder, whether can zfs snapshot be used to back the LUN for ctld? istgt do allows that, while ctld fails to start and complains but if I copy the file from zfs snapshot to some place, then ctld starts as expected ... bellow the details are: =2D ---[ ctld debug quotation start ]--------------------------------------= ----- ... ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file011 ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file012 ctld: error returned from LUN creation request: ctl_be_block_open: error op= ening /storage/win/.zfs/snapshot/daily-2015-08-22/file013 ctld: failed to add lun 0, target iqn.2007-09.jp.ne.peach.istgt:file013 ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file014 ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file015 ... ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file052 ctld: adding lun 0, target iqn.2007-09.jp.ne.peach.istgt:file053 ctld: not listening on portal-group "default", not assigned to any target ctld: listening on 10.100.21.47, portal-group "alfa" ctld: listening on 10.100.21.47, portal-group "beta" ctld: failed to apply configuration; exiting /etc/rc.d/ctld: WARNING: failed to start ctld =2D ---[ ctld debug quotation end ]--------------------------------------= ----- =2D ---[ ctl.conf quotation start ]----------------------------------------= --- target iqn.2007-09.jp.ne.peach.istgt:file013 { alias "file013-users" portal-group alfa auth-group ag-file013 lun 0 { path /storage/win/.zfs/snapshot/daily-2015-08-22/file013 size 300G } } =2D ---[ ctl.conf quotation end ]----------------------------------------= --- the very file exists: > stat /storagez/win/.zfs/snapshot/daily-2015-08-22/traders.ts.ibs 3500296891 22 -rw-r--r-- 1 root wheel 4294967295 214748364800 "Oct 23 07:41= :38 2013" "Aug 21 04:00:28 2015" "Aug 21 04:00:28 2015" "Oct 23 07:41:38 20= 13" 131072 419838466 0x800 /storage/win/.zfs/snapshot/daily-2015-08-22/file= 013 another question: can ctld be configured to ignore unavailable config parts? like unaccessible/missconfigured LUNs =2D --=20 Zeus V. Panchenko jid:zeus@im.ibs.dn.ua IT Dpt., I.B.S. LLC GMT+2 (EET) =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlXe+9sACgkQr3jpPg/3oyoyeQCfdkWWFKUVTQYHKE0eRVz93Dhy zqgAoN4FFz4EJNJfNdoRF2fLeayVxlRy =3DwZJg =2D----END PGP SIGNATURE-----
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