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openSUSE:13.1:Update
s390-tools
s390-tools-sles11sp2-ziomon-sdev-multipath-blac...
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File s390-tools-sles11sp2-ziomon-sdev-multipath-blacklist.patch of Package s390-tools
Subject: [PATCH] [BZ 88164] ziomon: cope with scsi disks not part of multipath device From: Steffen Maier <maier@linux.vnet.ibm.com> Description: ziomon: cope with scsi disks not part of multipath device Symptom: # ziorep_config -M or # ziorep_config -M -i some.cfg Use of uninitialized value within %mapper_dev in \ concatenation (.) or string at /usr/sbin/ziorep_config \ line 305. ... or Use of uninitialized value in concatenation (.) or string \ at /usr/sbin/ziorep_config line 305. ... or Use of uninitialized value in string eq at \ /sbin/ziorep_config line 161. Use of uninitialized value in concatenation (.) or string \ at /sbin/ziorep_config line 337. ... Problem: ziorep_config did not correctly ignore scsi disks, that are not part of a multipath device, when creating the multipath mapper report. get_line() returns "n/a" if the sysfs attribute does not exist. This is stored in the value for hash key mp_dev_mm so its value cannot be used in a check for being undefined. Solution: The hash field mp_dev remains undefined, if no multipath device was found, so use this to ignore scsi disks, that are not part of a multipath device. Reproduction: Blacklist some scsi disks in /etc/multipath.conf or dynamically delete some path from a pathgroup with "multipathd -k'del path sdd'" or remove some multipath map that includes scsi disks by means of "multipath -f <map>". In addition, have at least one multipath device configured. Run "ziorep_config -M", or collect configuration data by means of "ziomon -o some ..." or "ziomon_fcpconf -o some" and then run "ziorep_config -M -i some.cfg". Upstream-ID: - Problem-ID: 88164 Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> --- ziomon/ziorep_config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/ziomon/ziorep_config +++ b/ziomon/ziorep_config @@ -293,7 +293,7 @@ sub mapper_report "=====================================================\n"; } foreach my $hctl (sort keys %devices) { - next if (! $devices{$hctl}{mp_dev_mm}); + next if (! $devices{$hctl}{mp_dev}); next if (@$adapters && "@$adapters" !~ /\b$devices{$hctl}{hba_id}\b/); next if (@$ports && "@$ports" !~ /\b$devices{$hctl}{wwpn}\b/); next if (@$s_devs && "@$s_devs" !~ /\b$devices{$hctl}{dev}\b/);
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