[Users] Data Center Non Responsive / Contending
Liron Aravot
laravot at redhat.com
Tue Mar 4 15:13:06 UTC 2014
adding federico
----- Original Message -----
> From: "Liron Aravot" <laravot at redhat.com>
> To: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> Cc: "users at ovirt.org" <Users at ovirt.org>
> Sent: Tuesday, March 4, 2014 5:11:36 PM
> Subject: Re: [Users] Data Center Non Responsive / Contending
>
>
>
> ----- Original Message -----
> > From: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> > To: "Meital Bourvine" <mbourvin at redhat.com>
> > Cc: "users at ovirt.org" <Users at ovirt.org>
> > Sent: Tuesday, March 4, 2014 5:06:13 PM
> > Subject: Re: [Users] Data Center Non Responsive / Contending
> >
> > 2014-03-04 15:38 GMT+01:00 Meital Bourvine <mbourvin at redhat.com>:
> > > Ok, and is the iscsi functional at the moment?
> > >
> >
> > I think so.
> > For example I see in the DB that the id of my Master Data Domain ,
> > dt02clu6070, is "a689cb30-743e-4261-bfd1-b8b194dc85db" then
> >
> > [root at vbox70 ~]# lvs a689cb30-743e-4261-bfd1-b8b194dc85db
> > LV VG
> > Attr LSize Pool Origin Data% Move Log Cpy%Sync Convert
> > 4a1be3d8-ac7d-46cf-ae1c-ba154bc9a400
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi------- 3,62g
> > 5c8bb733-4b0c-43a9-9471-0fde3d159fb2
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi------- 11,00g
> > 7b617ab1-70c1-42ea-9303-ceffac1da72d
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi------- 3,88g
> > e4b86b91-80ec-4bba-8372-10522046ee6b
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi------- 9,00g
> > ids
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-ao---- 128,00m
> > inbox
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-a----- 128,00m
> > leases
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-a----- 2,00g
> > master
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-a----- 1,00g
> > metadata
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-a----- 512,00m
> > outbox
> > a689cb30-743e-4261-bfd1-b8b194dc85db -wi-a----- 128,00m
> >
> > I can read from the LVs that have the LVM Available bit set:
> >
> > [root at vbox70 ~]# dd if=/dev/a689cb30-743e-4261-bfd1-b8b194dc85db/ids
> > bs=1M of=/dev/null
> > 128+0 records in
> > 128+0 records out
> > 134217728 bytes (134 MB) copied, 0,0323692 s, 4,1 GB/s
> >
> > [root at vbox70 ~]# dd if=/dev/a689cb30-743e-4261-bfd1-b8b194dc85db/ids
> > bs=1M |od -xc |head -20
> > 0000000 2010 1221 0002 0003 0000 0000 0200 0000
> > 020 ! 022 002 \0 003 \0 \0 \0 \0 \0 \0 002 \0 \0
> > 0000020 0000 0000 0000 0000 0001 0000 0000 0000
> > \0 \0 \0 \0 \0 \0 \0 \0 001 \0 \0 \0 \0 \0 \0 \0
> > 0000040 0001 0000 0000 0000 0007 0000 0000 0000
> > 001 \0 \0 \0 \0 \0 \0 \0 \a \0 \0 \0 \0 \0 \0 \0
> > 0000060 0000 0000 0000 0000 3661 3938 6263 3033
> > \0 \0 \0 \0 \0 \0 \0 \0 a 6 8 9 c b 3 0
> > 0000100 372d 3334 2d65 3234 3136 622d 6466 2d31
> > - 7 4 3 e - 4 2 6 1 - b f d 1 -
> > 0000120 3862 3162 3439 6364 3538 6264 0000 0000
> > b 8 b 1 9 4 d c 8 5 d b \0 \0 \0 \0
> > 0000140 0000 0000 0000 0000 3638 3438 3966 3932
> > \0 \0 \0 \0 \0 \0 \0 \0 8 6 8 4 f 9 2 9
> > 0000160 612d 6237 2d66 3834 6564 622d 3830 2d35
> > - a 7 b f - 4 8 d e - b 0 8 5 -
> > 0000200 6563 6330 6539 3537 6630 6364 762e 6f62
> > c e 0 c 9 e 7 5 0 f d c . v b o
> > 0000220 3778 2e30 7270 0069 26de 0000 0000 0000
> > x 7 0 . p r i \0 336 & \0 \0 \0 \0 \0 \0
> > [root at vbox70 ~]#
> >
> > Obviously I can't read from LVs that aren't available:
> >
> > [root at vbox70 ~]# dd
> > if=/dev/a689cb30-743e-4261-bfd1-b8b194dc85db/4a1be3d8-ac7d-46cf-ae1c-ba154bc9a400
> > bs=1M of=/dev/null
> > dd: apertura di
> > `/dev/a689cb30-743e-4261-bfd1-b8b194dc85db/4a1be3d8-ac7d-46cf-ae1c-ba154bc9a400':
> > No such file or directory
> > [root at vbox70 ~]#
> >
> > But those LV are the VM's disks and I suppose it's availability is
> > managed by oVirt
> >
>
> please see my previous mail on this thread, the issue seems to be with the
> connectivity to the nfs path, not the iscsi.
> 2014-03-04 13:15:41,167 INFO
> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
> (DefaultQuartzScheduler_Worker-27) [1141851d] Correlation
> ID: null, Call Stack: null, Custom Event ID: -1, Message: Failed to connect
> Host vbox70 to the Storage Domains nfs02EXPORT.
> >
> >
> > > ----- Original Message -----
> > >> From: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> > >> To: "Meital Bourvine" <mbourvin at redhat.com>
> > >> Cc: "users at ovirt.org" <Users at ovirt.org>
> > >> Sent: Tuesday, March 4, 2014 4:35:07 PM
> > >> Subject: Re: [Users] Data Center Non Responsive / Contending
> > >>
> > >> 2014-03-04 15:23 GMT+01:00 Meital Bourvine <mbourvin at redhat.com>:
> > >> > Master data domain must be reachable in order for the DC to be up.
> > >> > Export domain shouldn't affect the dc status.
> > >> > Are you sure that you've created the export domain as an export
> > >> > domain,
> > >> > and
> > >> > not as a regular nfs?
> > >> >
> > >>
> > >> Yes, I am.
> > >>
> > >> Don't know how to extract this info from DB, but in webadmin, in the
> > >> storage list, I have these info:
> > >>
> > >> Domain Name: nfs02EXPORT
> > >> Domain Type: Export
> > >> Storage Type: NFS
> > >> Format: V1
> > >> Cross Data-Center Status: Inactive
> > >> Total Space: [N/A]
> > >> Free Space: [N/A]
> > >>
> > >> ATM my only "Data" Domain is based on iSCSI, no NFS.
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> > ----- Original Message -----
> > >> >> From: "Giorgio Bersano" <giorgio.bersano at gmail.com>
> > >> >> To: "Meital Bourvine" <mbourvin at redhat.com>
> > >> >> Cc: "users at ovirt.org" <Users at ovirt.org>
> > >> >> Sent: Tuesday, March 4, 2014 4:16:19 PM
> > >> >> Subject: Re: [Users] Data Center Non Responsive / Contending
> > >> >>
> > >> >> 2014-03-04 14:48 GMT+01:00 Meital Bourvine <mbourvin at redhat.com>:
> > >> >> > StorageDomainDoesNotExist: Storage domain does not exist:
> > >> >> > (u'1810e5eb-9eb6-4797-ac50-8023a939f312',)
> > >> >> >
> > >> >> > What's the output of:
> > >> >> > lvs
> > >> >> > vdsClient -s 0 getStorageDomainsList
> > >> >> >
> > >> >> > If it exists in the list, please run:
> > >> >> > vdsClient -s 0 getStorageDomainInfo
> > >> >> > 1810e5eb-9eb6-4797-ac50-8023a939f312
> > >> >> >
> > >> >>
> > >> >> I'm attaching a compressed archive to avoid mangling by googlemail
> > >> >> client.
> > >> >>
> > >> >> Indeed the NFS storage with that id is not in the list of available
> > >> >> storage as it is brought up by a VM that has to be run in this very
> > >> >> same cluster. Obviously it isn't running at the moment.
> > >> >>
> > >> >> You find this in the DB:
> > >> >>
> > >> >> COPY storage_domain_static (id, storage, storage_name,
> > >> >> storage_domain_type, storage_type, storage_domain_format_type,
> > >> >> _create_date, _update_date, recoverable, last_time_used_as_master,
> > >> >> storage_description, storage_comment) FROM stdin;
> > >> >> ...
> > >> >> 1810e5eb-9eb6-4797-ac50-8023a939f312
> > >> >> 11d4972d-f227-49ed-b997-f33cf4b2aa26 nfs02EXPORT 3 1
> > >> >> 0 2014-02-28 18:11:23.17092+01 \N t 0 \N
> > >> >> \N
> > >> >> ...
> > >> >>
> > >> >> Also, disks for that VM are carved from the Master Data Domain that
> > >> >> is
> > >> >> not available ATM.
> > >> >>
> > >> >> To say in other words: I thought that availability of an export
> > >> >> domain
> > >> >> wasn't critical to switch on a Data Center. Am I wrong?
> > >> >>
> > >> >> Thanks,
> > >> >> Giorgio.
> > >> >>
> > >>
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
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