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Root-caused to incorrect regex. We should be non-greedy when matching the first part of the name, so we get 'sda' and '10' subgroups instead of 'sda1' and '0'.
If you want to verify the fix, change the regex at line 155 of /usr/lib/python2.7/site-packages/rtslib_fb/utils.py to
m = re.search(r'^([a-z0-9_\-!]+?)(\d+)$', name)
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2016-2561.html
Description of problem: [root@rdma-dev-00 ~]$ grep -i distro /etc/motd DISTRO=RHEL-7.2-20151105.n.0 [root@rdma-dev-00 ~]$ cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.2 (Maipo) [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ rpm -q kernel targetcli kernel-3.10.0-327.el7.x86_64 targetcli-2.1.fb41-3.el7.noarch [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ uname -r 3.10.0-327.el7.x86_64 [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ df -h | grep part | sort -k 5 /dev/sda5 976M 2.6M 907M 1% /parts/p00 /dev/sda6 976M 2.6M 907M 1% /parts/p01 /dev/sda7 976M 2.6M 907M 1% /parts/p02 /dev/sda8 976M 2.6M 907M 1% /parts/p03 /dev/sda9 976M 2.6M 907M 1% /parts/p04 /dev/sda10 976M 2.6M 907M 1% /parts/p05 /dev/sda11 976M 2.6M 907M 1% /parts/p06 /dev/sda12 976M 2.6M 907M 1% /parts/p07 /dev/sda13 976M 2.6M 907M 1% /parts/p08 /dev/sda14 976M 2.6M 907M 1% /parts/p09 [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ df -h | grep part | sort -k 5 | awk '{print $1}' | xargs -n 1 umount [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ [root@rdma-dev-00 ~]$ targetcli targetcli shell version 2.1.fb41 Copyright 2011-2013 by Datera, Inc and others. For help on commands, type 'help'. /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 0] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /> /backstores/block create p00 /dev/sda5 Created block storage object p00 using /dev/sda5. /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 1] | | o- p00 ...................... [/dev/sda5 (1.0GiB) write-thru deactivated] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /backstores/block create p01 /dev/sda6 Created block storage object p01 using /dev/sda6. /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 2] | | o- p00 ...................... [/dev/sda5 (1.0GiB) write-thru deactivated] | | o- p01 ...................... [/dev/sda6 (1.0GiB) write-thru deactivated] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /backstores/block create p02 /dev/sda7 Created block storage object p02 using /dev/sda7. /> /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 3] | | o- p00 ...................... [/dev/sda5 (1.0GiB) write-thru deactivated] | | o- p01 ...................... [/dev/sda6 (1.0GiB) write-thru deactivated] | | o- p02 ...................... [/dev/sda7 (1.0GiB) write-thru deactivated] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /backstores/block create p03 /dev/sda8 Created block storage object p03 using /dev/sda8. /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 4] | | o- p00 ...................... [/dev/sda5 (1.0GiB) write-thru deactivated] | | o- p01 ...................... [/dev/sda6 (1.0GiB) write-thru deactivated] | | o- p02 ...................... [/dev/sda7 (1.0GiB) write-thru deactivated] | | o- p03 ...................... [/dev/sda8 (1.0GiB) write-thru deactivated] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /backstores/block create p04 /dev/sda9 Created block storage object p04 using /dev/sda9. /> ls / o- / .................................................................... [...] o- backstores ......................................................... [...] | o- block ............................................. [Storage Objects: 5] | | o- p00 ...................... [/dev/sda5 (1.0GiB) write-thru deactivated] | | o- p01 ...................... [/dev/sda6 (1.0GiB) write-thru deactivated] | | o- p02 ...................... [/dev/sda7 (1.0GiB) write-thru deactivated] | | o- p03 ...................... [/dev/sda8 (1.0GiB) write-thru deactivated] | | o- p04 ...................... [/dev/sda9 (1.0GiB) write-thru deactivated] | o- fileio ............................................ [Storage Objects: 0] | o- pscsi ............................................. [Storage Objects: 0] | o- ramdisk ........................................... [Storage Objects: 0] o- iscsi ....................................................... [Targets: 0] o- loopback .................................................... [Targets: 0] o- srpt ........................................................ [Targets: 0] /> /backstores/block create p05 /dev/sda10 Created block storage object p05 using /dev/sda10. /> ls / Traceback (most recent call last): File "/usr/bin/targetcli", line 121, in <module> main() File "/usr/bin/targetcli", line 111, in main shell.run_interactive() File "/usr/lib/python2.7/site-packages/configshell_fb/shell.py", line 894, in run_interactive self._cli_loop() File "/usr/lib/python2.7/site-packages/configshell_fb/shell.py", line 723, in _cli_loop self.run_cmdline(cmdline) File "/usr/lib/python2.7/site-packages/configshell_fb/shell.py", line 837, in run_cmdline self._execute_command(path, command, pparams, kparams) File "/usr/lib/python2.7/site-packages/configshell_fb/shell.py", line 812, in _execute_command result = target.execute_command(command, pparams, kparams) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 1411, in execute_command return method(*pparams, **kparams) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 710, in ui_command_ls tree = self._render_tree(target, depth=depth) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 861, in _render_tree + self._render_tree(children[i], margin, depth) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 861, in _render_tree + self._render_tree(children[i], margin, depth) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 861, in _render_tree + self._render_tree(children[i], margin, depth) File "/usr/lib/python2.7/site-packages/configshell_fb/node.py", line 765, in _render_tree (description, is_healthy) = root.summary() File "/usr/lib/python2.7/site-packages/targetcli/ui_backstore.py", line 540, in summary return ("%s (%s) %s%s %s" % (so.udev_path, bytes_to_human(so.size), File "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 703, in _get_size return get_size_for_disk_name(self._parse_info('device')) * int(self._parse_info('SectorSize')) File "/usr/lib/python2.7/site-packages/rtslib_fb/utils.py", line 162, in get_size_for_disk_name return get_size("/sys/block/%s/%s" % (disk, m.group()), True) File "/usr/lib/python2.7/site-packages/rtslib_fb/utils.py", line 141, in get_size sect_size = int(fread("%s/size" % path)) File "/usr/lib/python2.7/site-packages/rtslib_fb/utils.py", line 90, in fread with open(path, 'r') as file_fd: IOError: [Errno 2] No such file or directory: '/sys/block/sda1/sda10/size' [root@rdma-dev-00 ~]$ Version-Release number of selected component (if applicable): How reproducible: always Steps to Reproduce: 1. 2. 3. Actual results: Expected results: I need create about 30 block backstores for SRP multipath test. So, I hope targetcli works with as many block as possible. Additional info: