€•ž      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ=/translations/zh_CN/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ=/translations/zh_TW/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ=/translations/it_IT/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ=/translations/ja_JP/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ=/translations/ko_KR/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ=/translations/sp_SP/admin-guide/device-mapper/dm-queue-length”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒdm-queue-length”h]”hŒdm-queue-length”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒW/var/lib/git/docbuild/linux/Documentation/admin-guide/device-mapper/dm-queue-length.rst”h KubhŒ	paragraph”“”)”}”(hŒ¬dm-queue-length is a path selector module for device-mapper targets,
which selects a path with the least number of in-flight I/Os.
The path selector name is 'queue-length'.”h]”hŒ°dm-queue-length is a path selector module for device-mapper targets,
which selects a path with the least number of in-flight I/Os.
The path selector name is â€˜queue-lengthâ€™.”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒ0Table parameters for each path: [<repeat_count>]”h]”hŒ0Table parameters for each path: [<repeat_count>]”…””}”(hhÇhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K	hh£hžhubhŒliteral_block”“”)”}”(hŒö<repeat_count>: The number of I/Os to dispatch using the selected
                path before switching to the next path.
                If not given, internal default is used. To check
                the default value, see the activated table.”h]”hŒö<repeat_count>: The number of I/Os to dispatch using the selected
                path before switching to the next path.
                If not given, internal default is used. To check
                the default value, see the activated table.”…””}”hh×sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1hÕhŸh¶h Khh£hžhubh¸)”}”(hŒ7Status for each path: <status> <fail-count> <in-flight>”h]”hŒ7Status for each path: <status> <fail-count> <in-flight>”…””}”(hhçhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhÖ)”}”(hŒ¡<status>: 'A' if the path is active, 'F' if the path is failed.
<fail-count>: The number of path failures.
<in-flight>: The number of in-flight I/Os on the path.”h]”hŒ¡<status>: 'A' if the path is active, 'F' if the path is failed.
<fail-count>: The number of path failures.
<in-flight>: The number of in-flight I/Os on the path.”…””}”hhõsbah}”(h]”h ]”h"]”h$]”h&]”håhæuh1hÕhŸh¶h Khh£hžhubh¢)”}”(hhh]”(h§)”}”(hŒ	Algorithm”h]”hŒ	Algorithm”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hj  hžhhŸh¶h Kubh¸)”}”(hŒ dm-queue-length increments/decrements 'in-flight' when an I/O is
dispatched/completed respectively.
dm-queue-length selects a path with the minimum 'in-flight'.”h]”hŒ¨dm-queue-length increments/decrements â€˜in-flightâ€™ when an I/O is
dispatched/completed respectively.
dm-queue-length selects a path with the minimum â€˜in-flightâ€™.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj  hžhubeh}”(h]”Œ	algorithm”ah ]”h"]”Œ	algorithm”ah$]”h&]”uh1h¡hh£hžhhŸh¶h Kubh¢)”}”(hhh]”(h§)”}”(hŒExamples”h]”hŒExamples”…””}”(hj-  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hj*  hžhhŸh¶h K$ubh¸)”}”(hŒEIn case that 2 paths (sda and sdb) are used with repeat_count == 128.”h]”hŒEIn case that 2 paths (sda and sdb) are used with repeat_count == 128.”…””}”(hj;  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K%hj*  hžhubhÖ)”}”(hŒÿ# echo "0 10 multipath 0 0 1 1 queue-length 0 2 1 8:0 128 8:16 128" \
  dmsetup create test
#
# dmsetup table
test: 0 10 multipath 0 0 1 1 queue-length 0 2 1 8:0 128 8:16 128
#
# dmsetup status
test: 0 10 multipath 2 0 0 0 1 1 E 0 2 1 8:0 A 0 0 8:16 A 0 0”h]”hŒÿ# echo "0 10 multipath 0 0 1 1 queue-length 0 2 1 8:0 128 8:16 128" \
  dmsetup create test
#
# dmsetup table
test: 0 10 multipath 0 0 1 1 queue-length 0 2 1 8:0 128 8:16 128
#
# dmsetup status
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