[PATCH v3 storage 1/1] fix #254: iscsi: add support for multipath iscsi targets

[Yuri Konotopov]

Changes since v2:
 * custom configuration file is removed in favor of open-iscsi query
 * restored `portal` property format since we should not rely on initial
   configuration but should use discovered configuration instead
 * changed check_connection() to query all available portals
 * style fixes

Changes since v1:
 * added configuration file that stores discovered portals
 * implemented iscsi login in case there missing sessions for any of portals
 * style fixes
 * use existent `-list` property format instead of custom one
 * use PVE::Tools::split_list() instead of custom split function

Yuri Konotopov (1):
  fix #254: iscsi: add support for multipath iscsi targets

 PVE/Storage.pm             |   2 +-
 PVE/Storage/ISCSIPlugin.pm | 117 ++++++++++++++++++++++++++++---------
 2 files changed, 89 insertions(+), 30 deletions(-)

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2.41.0