[ovirt-users] open error -13 = sanlock

paf1 at email.cz paf1 at email.cz
Tue Mar 1 15:51:15 EST 2016 

HI,
requested output:

# ls -lh /rhev/data-center/mnt/glusterSD/localhost:*/*/dom_md

/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-BCK/0fcad888-d573-47be-bef3-0bc0b7a99fb7/dom_md:
total 2,1M
-rw-rw---- 1 vdsm kvm 1,0M  1. bře 21.28 ids
-rw-rw---- 1 vdsm kvm  16M  7. lis 22.16 inbox
-rw-rw---- 1 vdsm kvm 2,0M  7. lis 22.17 leases
-rw-r--r-- 1 vdsm kvm  335  7. lis 22.17 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 22.16 outbox

/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P1/553d9b92-e4a0-4042-a579-4cabeb55ded4/dom_md:
total 1,1M
-rw-r--r-- 1 vdsm kvm    0 24. úno 07.41 ids
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.14 inbox
-rw-rw---- 1 vdsm kvm 2,0M  7. lis 03.56 leases
-rw-r--r-- 1 vdsm kvm  333  7. lis 03.56 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.14 outbox

/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P2/88adbd49-62d6-45b1-9992-b04464a04112/dom_md:
total 1,1M
-rw-r--r-- 1 vdsm kvm    0 24. úno 07.43 ids
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.15 inbox
-rw-rw---- 1 vdsm kvm 2,0M  7. lis 22.14 leases
-rw-r--r-- 1 vdsm kvm  333  7. lis 22.14 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.15 outbox

/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P3/3c34ad63-6c66-4e23-ab46-084f3d70b147/dom_md:
total 1,1M
-rw-r--r-- 1 vdsm kvm    0 24. úno 07.43 ids
-rw-rw---- 1 vdsm kvm  16M 23. úno 22.51 inbox
-rw-rw---- 1 vdsm kvm 2,0M 23. úno 23.12 leases
-rw-r--r-- 1 vdsm kvm  998 25. úno 00.35 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.16 outbox

/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P4/7f52b697-c199-4f58-89aa-102d44327124/dom_md:
total 1,1M
-rw-r--r-- 1 vdsm kvm    0 24. úno 07.44 ids
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.17 inbox
-rw-rw---- 1 vdsm kvm 2,0M  7. lis 00.18 leases
-rw-r--r-- 1 vdsm kvm  333  7. lis 00.18 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 00.17 outbox

/rhev/data-center/mnt/glusterSD/localhost:_2KVM12-P1/42d710a9-b844-43dc-be41-77002d1cd553/dom_md:
total 1,1M
-rw-rw-r-- 1 vdsm kvm    0 24. úno 07.32 ids
-rw-rw---- 1 vdsm kvm  16M  7. lis 22.18 inbox
-rw-rw---- 1 vdsm kvm 2,0M  7. lis 22.18 leases
-rw-r--r-- 1 vdsm kvm  333  7. lis 22.18 metadata
-rw-rw---- 1 vdsm kvm  16M  7. lis 22.18 outbox

/rhev/data-center/mnt/glusterSD/localhost:_2KVM12-P2/ff71b47b-0f72-4528-9bfe-c3da888e47f0/dom_md:
total 3,0M
-rw-rw-r-- 1 vdsm kvm 1,0M  1. bře 21.28 ids
-rw-rw---- 1 vdsm kvm  16M 25. úno 00.42 inbox
-rw-rw---- 1 vdsm kvm 2,0M 25. úno 00.44 leases
-rw-r--r-- 1 vdsm kvm  997 24. úno 02.46 metadata
-rw-rw---- 1 vdsm kvm  16M 25. úno 00.44 outbox

/rhev/data-center/mnt/glusterSD/localhost:_2KVM12-P3/ef010d08-aed1-41c4-ba9a-e6d9bdecb4b4/dom_md:
total 2,1M
-rw-r--r-- 1 vdsm kvm    0 24. úno 07.34 ids
-rw-rw---- 1 vdsm kvm  16M 23. úno 22.35 inbox
-rw-rw---- 1 vdsm kvm 2,0M 23. úno 22.38 leases
-rw-r--r-- 1 vdsm kvm 1,1K 24. úno 19.07 metadata
-rw-rw---- 1 vdsm kvm  16M 23. úno 22.27 outbox

/rhev/data-center/mnt/glusterSD/localhost:_2KVM12__P4/300e9ac8-3c2f-4703-9bb1-1df2130c7c97/dom_md:
total 3,0M
-rw-rw-r-- 1 vdsm kvm 1,0M  1. bře 21.28 ids
-rw-rw-r-- 1 vdsm kvm  16M  6. lis 23.50 inbox
-rw-rw-r-- 1 vdsm kvm 2,0M  6. lis 23.51 leases
-rw-rw-r-- 1 vdsm kvm  734  7. lis 02.13 metadata
-rw-rw-r-- 1 vdsm kvm  16M  6. lis 16.55 outbox

/rhev/data-center/mnt/glusterSD/localhost:_2KVM12-P5/1ca56b45-701e-4c22-9f59-3aebea4d8477/dom_md:
total 1,1M
-rw-rw-r-- 1 vdsm kvm    0 24. úno 07.35 ids
-rw-rw-r-- 1 vdsm kvm  16M 24. úno 01.06 inbox
-rw-rw-r-- 1 vdsm kvm 2,0M 24. úno 02.44 leases
-rw-r--r-- 1 vdsm kvm  998 24. úno 19.07 metadata
-rw-rw-r-- 1 vdsm kvm  16M  7. lis 22.20 outbox

  The ids files was generated by "touch" command after deleting them due 
"sanlock locking hang"  gluster crash & reboot
I expected that they will be filled automaticaly after gluster reboot ( 
the  shadow copy from   ".gluster "   directory  was deleted & created 
empty  too )

OK, it looks that sanlock  can't work with empty file or rewrite them .
Am I right ??

The last point - about "ids" workaround - this is offline version = VMs 
have to be moved out from for continual running with maintenance volume mode
But this is not acceptable in current situation, so the question again,  
is it safe to do it online ??  ( YES / NO )

regs.
Pavel


On 1.3.2016 18:38, Nir Soffer wrote:
> On Tue, Mar 1, 2016 at 5:07 PM, paf1 at email.cz <mailto:paf1 at email.cz> 
> <paf1 at email.cz <mailto:paf1 at email.cz>> wrote:
>
>     Hello,  can anybody  explain this error no.13 ( open file ) in
>     sanlock.log .
>
>
> This is EACCES
>
> Can you share the outoput of:
>
>     ls -lh /rhev/data-center/mnt/<server>:<_path>/<sd_uuid>/dom_md
>
>
>     The size of  "ids" file is zero (0)
>
>
> This is how we create the ids file when initializing it.
>
> But then we use sanlock to initialize the ids file, and it should be 
> 1MiB after that.
>
> Is this ids files created by vdsm, or one you created yourself?
>
>     2016-02-28 03:25:46+0100 269626 [1951]: open error -13
>     /rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P4/7f52b697-c199-4f58-89aa-102d44327124/dom_md/ids
>     2016-02-28 03:25:46+0100 269626 [1951]: s187985 open_disk
>     /rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P4/7f52b697-c199-4f58-89aa-102d44327124/dom_md/ids
>     error -13
>     2016-02-28 03:25:56+0100 269636 [11304]: s187992 lockspace
>     7f52b697-c199-4f58-89aa-102d44327124:1:/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-P4/7f52b697-c199-4f58-89aa-102d44327124/dom_md/ids:0
>
>     If the main problem is about zero file size, can I regenerate 
>     this file online securely , with no VM dependence  ????
>
>
> Yes, I think I already referred to the instructions how to do that in 
> a previous mail.
>
>
>
>     dist = RHEL - 7 - 2.1511
>     kernel = 3.10.0 - 327.10.1.el7.x86_64
>     KVM = 2.3.0 - 29.1.el7
>     libvirt = libvirt-1.2.17-13.el7_2.3
>     vdsm = vdsm-4.16.30-0.el7
>     GlusterFS = glusterfs-3.7.8-1.el7
>
>
>     regs.
>     Pavel
>
>     _______________________________________________
>     Users mailing list
>     Users at ovirt.org <mailto:Users at ovirt.org>
>     http://lists.ovirt.org/mailman/listinfo/users
>
>

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