Error Unable To Scan Vmkernel Scsi Subsystem For Old Devices
NSXVirtual SAN vCenterFusionWorkstationvExpertVMware {code} CloudCredSubmit a Link Home > VMTN > VMware vSphere™ > VMware ESXi 5 > Discussions Please enter a title. You can not post a blank message. Please type your message and try again. 6 Replies Latest reply: Apr 22, 2013 11:04 PM by vinhdat82 Host not responding when IO load is high vinhdat82 Apr 22, 2013 11:04 PM HI everyone,I have a few ESXi 5.0 connecting to a NAS iSCSI.The server is sure to have sufficient for ALL VM to use all allocated memory.When the load is a bit high (around 100 ms latency) and if the host has swap ( ~ as little as 2MB), the host tends to be not responding:- Some of the VMs tend to hang. Some of them are fine.- Port 443 is unable to telnet any more- ls /vmfs/volumes inside the host hangs.The remaining hosts have no swap, so no problem.I have done the following steps:- /etc/init.d/hostd restart- /etc/init.d/vpxa restart- /etc/init.d/wman restart- esxcfg-rescan vmhba35 (my iscsi) but hit "Error: Unable to scan VMkernel SCSI subsystem for old devices. Scan already in progress"Reboot will solve the problem. But I don't want to reboot.I don't have the direct access to DCUI.Any help is appreciated.Thanks so much. 1645Views Tags: none (add) This content has been marked as final. Show 6 replies 1. Re: Host not responding when IO load is high vinhdat82 Apr 22, 2013 11:05 PM (in response to vinhdat82) BTW, Storage IO and management IO are to different vdSwitches. Like Show 0 Likes (0) Actions 2. Re: Host not responding when IO load is high yezdi Apr 23, 2013 2:34 AM (in response to vinhdat82) Looks like its a bug in ESXi 5.0have a look into this blog.http://vmtoday.com/2012/02/vsphere-5-networking-bug-affects-software-iscsi/ -SD http://pingforinfo.com/ [VCAP4&5-DCA, VCP 3,4&5, VCA-Cloud, VCA-DCV,VTSP4, RHCE, EMCPA.] Like Show 0 Likes (0) Actions 3. Re: Host not responding when IO load is high yezdi Apr 23, 2013 2:35 AM (in response to vinhdat82) Also this KB.http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2008144 -SD http://pingforinfo.com/ [VCAP4&5-DCA, VCP 3,4&5, VCA-Cloud, VCA-DCV,VTSP4, RHCE, EMCPA.] Like Show 0 Likes (0) Actions 4. Re: Host not responding when IO load is high vinhdat82 Apr 24, 2013 1:50 AM (in response to vinhdat82) I find that server 2 with v5.0.0 update 01 is fine.It could recover the iscsi session.Server 1 with v5.0.0 (GA) couldn't recover the iscsi session. So it failed.I updated server 1 to v5.0.0 update 02I will know if u
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LUN's to vmware before crashing and leaving vmware with a large amount of dead LUN's it could not connect to. Cue a rescan all … and everthing started crashing https://raj2796.wordpress.com/2012/03/14/vmware-vsphere-5-dead-lun-and-pathing-issues-and-resultant-scsi-errors/ ! Our primary cluster of 6 servers started to abend, half the ESX servers decided to vmotion of every vm and shutdown, the other 3 ESX servers were left running 6 servers worth of http://www.justanswer.de/rechner/6prnm-guten-tag-ich-habe-ein-problem-mit-vsphere-5.html vm's, DRS decided to keep moving vm's of the highest utilised ESX server resulting in another esx server becoming highest utilised which then decided to migrate all vm's of and so on in a never-ending loop error unable As a result the ESX servers were: unresponsive showing powered of machines as being on unable to vmotion vm's of intermittently lost connection to VC lost vm's that were vmotioned i.e. the vms became orphaned Here's what i did to fix the issue. 1 – get NAA ID of the lun to be removed See error messages on server Or see properties of Datastore in vc (assuming vc isn’t error unable to crashed) Or from command line : #esxcli storage vmfs extent list Alternatively you could use #esxclu storage filesystem list however that wouldn’t work in this case since there were no filesystems on the failed luns e.g. output Volume Name VMFS UUID Extent Number Device Name Partition ------- ----------------------- --------- ------------------------ ------ datastore1 4de4cb24-4cff750f-85f5-0019b9f1ecf6 0 naa.6001c230d8abfe000ff76c198ddbc13e 3 Storage2 4c5fbff6-f4069088-af4f-0019b9f1ecf4 0 naa.6001c230d8abfe000ff76c2e7384fc9a 1 Storage4 4c5fc023-ea0d4203-8517-0019b9f1ecf4 0 naa.6001c230d8abfe000ff76c51486715db 1 LUN01 4e414917-a8d75514-6bae-0019b9f1ecf4 0 naa.60a98000572d54724a34655733506751 1 Look at the 3rd column, it’s the naa id of the luns, the 4th one is for a volume that’s labelled LUN01 – dodgy since they would have a recognisable label such as FASSHOME1 or FASSWEB6 etc if they were production servers, or even test servers 2 – remove bad luns If vc is working – in our case it wasn’t – goto configuration / device / look at the identifier’s and match the naa – e.g. random screenshot below to show where to look ( screenshot removed since it shows too much work information) Right click the naa under identifier and select detach – confirm Now rescan the fc hba In our case vc wasn’t an option since the hosts were unresponsive and vc couldn’t communicate, also the luns were allready detached since the
E-Mail oder sofortiger Benachrichtigung, während Sie auf unserer Website warten.Stellen Sie ggf. weitere Anschlussfragen. 100%ige Zufriedenheit garantiert Bewerten Sie die erhaltene Antwort. Stellen Sie Ihre Frage an Tronic. Tronic, IT-Specialist Kategorie: Computer Zufriedene Kunden: 2269 Erfahrung: Elektroniker und EDV-Service 31581453 Geben Sie Ihre Frage in der Kategorie Computer hier ein Tronic ist jetzt online. Guten Tag ich habe ein Problem mit vSphere 5? Kundenfrage Problem mit vSphere 5? das System fährt nicht mehr richtig hoch - 3 Host in einer vSphere Umgebung - Neues iSCSI-NAS hinzugefügt- Bei einem geklappt, bei den anderen beiden nicht - fährt nicht mehr hoch - mit meldung running usbarbitrage start. Die Konsole sagt:usbarbitrator is not running/etc/init.d # XXXXX startErrors:Error while rescanning adapter vmhba35. Error was Unable to scan VMkernel SCSI subsystem for old devices. Scan already in progressusbarbitrator started/etc/init.d # XXXXX startusbarbitrator already running Gepostet: vor 4 Jahren. Kategorie:Computer Diesen Beitrag teilen Experte: Guests hat geantwortetvor 4 Jahren. Hallo,vielleicht hilft Ihnen das hier weiter:http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1030674Wenn Sie erst einmal auf iSCSI verzichten können (falls anderer Storage zur Verfügung) um dann entsprechend die Konfig neu zu machen.würde ich mal testen: esxcli iscsi software set -e falseGrüsse Diesen Beitrag teilen Bekannt aus: „[...]mehr als Zehntausend Experten weltweit; 1500 davon in Deutschland. Acht Jahre nach dem Start ist das [...] Online-Unternehmen mit seinen 90 Mitarbeitern die größte Web-Seite für das Vermitteln von Experten von Anwälten über Ärzte bis hin zu Universitätsprofessoren.“ „Wer eine fachmänische Lösung für ein medizinisches, rechtliches oder technisches Problem sucht, kann das jetzt auch im Internet tun. Lebenshilfe auf die schnelle, unkomplizierte und vor allem erschwingliche Art bietet die Seite www.justanswer.de. Etwa 1500 Experten stehen per Mail für Fragen zu ca. 200 Fachgebieten rund um die Uhr zur Verfügung." „Rat gewünscht? Rechtliche, medizinische oder allgemeine Fragen beantworten Experten unter www.justan