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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">got a new FC Storage (EMC Unity 300F) which is seen by my Hosts additional to my old Storage for Migration.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">New Storage has only on PATH until Migration is done.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I already have a few VMs running on the new Storage without Problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But after starting some VMs (don’t really no whats the difference to working ones), the Path for new Storage fails.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Engine tells me: Storage Domain <storagedomain> experienced a high latency of 22.4875 seconds from host <host><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Where can I start looking?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In /var/log/messages I found:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 multipathd: 360060160422143002a38935800ae2760: sdd - emc_clariion_checker: Active path is healthy.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 multipathd: 8:48: reinstated<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 multipathd: 360060160422143002a38935800ae2760: remaining active paths: 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 8<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 5833475<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 5833475<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967168<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: Buffer I/O error on dev dm-207, logical block 97, async page read<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967168<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967280<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967280<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967168<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: device-mapper: multipath: Reinstating path 8:48.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 kernel: sd 3:0:0:22: alua: port group 01 state A preferred supports tolUsNA<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:03:53 ovirtnode01 sanlock[5192]: 2017-02-08 09:03:53+0100 151809 [11772]: s59 add_lockspace fail result -202<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:05 ovirtnode01 multipathd: dm-33: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:05 ovirtnode01 multipathd: dm-33: devmap not registered, can't remove<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:05 ovirtnode01 multipathd: dm-33: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:06 ovirtnode01 multipathd: dm-34: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:06 ovirtnode01 multipathd: dm-34: devmap not registered, can't remove<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:06 ovirtnode01 multipathd: dm-34: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:08 ovirtnode01 multipathd: dm-33: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:08 ovirtnode01 multipathd: dm-33: devmap not registered, can't remove<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:08 ovirtnode01 multipathd: dm-33: remove map (uevent)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:08 ovirtnode01 kernel: dd: sending ioctl 80306d02 to a partition!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:24 ovirtnode01 sanlock[5192]: 2017-02-08 09:04:24+0100 151840 [15589]: read_sectors delta_leader offset 2560 rv -202 /dev/f9b70017-0a34-47bc-bf2f-dfc70200a347/ids<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:34 ovirtnode01 sanlock[5192]: 2017-02-08 09:04:34+0100 151850 [15589]: f9b70017 close_task_aio 0 0x7fd78c0008c0 busy<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:39 ovirtnode01 multipathd: 360060160422143002a38935800ae2760: sdd - emc_clariion_checker: Read error for WWN 60060160422143002a38935800ae2760. Sense data are 0x0/0x0/0x0.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:39 ovirtnode01 multipathd: checker failed path 8:48 in map 360060160422143002a38935800ae2760<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:39 ovirtnode01 multipathd: 360060160422143002a38935800ae2760: remaining active paths: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:39 ovirtnode01 kernel: qla2xxx [0000:11:00.0]-801c:3: Abort command issued nexus=3:0:22 -- 1 2002.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:39 ovirtnode01 kernel: device-mapper: multipath: Failing path 8:48.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:40 ovirtnode01 kernel: qla2xxx [0000:11:00.0]-801c:3: Abort command issued nexus=3:0:22 -- 1 2002.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: 8 callbacks suppressed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967168<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967280<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967168<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 4294967280<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Feb 8 09:04:42 ovirtnode01 kernel: blk_update_request: I/O error, dev dm-10, sector 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">multipath -ll output for this Domain<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">360060160422143002a38935800ae2760 dm-10 DGC ,VRAID<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">size=2.0T features='1 retain_attached_hw_handler' hwhandler='1 alua' wp=rw<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">`-+- policy='service-time 0' prio=50 status=active<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> `- 3:0:0:22 sdd 8:48 active ready running<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thx Christian<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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