Re: [Xen-API] [Project Kronos] SR_BACKEND_FAILURE_53 when creating SR

[Sébastien Riccio <sr@xxxxxxxxxxxxxxx>]

> Sorry, didn't notice this before, but SMLog says this:
>
> [3010] 2011-08-23 15:17:42.111948       SUCCESS
> [3010] 2011-08-23 15:17:42.112201       ['/sbin/vgcreate', 
> 'VG_XenStorage-c6ed11e9-8acf-3c48-93b9-10a7607f6035', '/dev/sda3']
> [3010] 2011-08-23 15:17:42.209556       SUCCESS
> [3010] 2011-08-23 15:17:42.209789       ['/sbin/vgchange', '-an', '--master', 
> 'VG_XenStorage-c6ed11e9-8acf-3c48-93b9-10a7607f6035']
> [3010] 2011-08-23 15:17:42.223883       FAILED: (rc 3) stdout: '', stderr: 
> '/sbin/vgchange: unrecognized option '--master'
>    Error during parsing of command line.
>
> Obviously, --master is not a flag for vgchange..
>
> Editing lvutil.pyc in /usr/lib/xen-common/xapi/sm gets me past this issue...
>
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Actually it's true that I did not throughly tested lvm based SR, I 
mainly played with NFS and ocfs2 (custom) storage backends, so
I did not get into this problem.

I'm not 100% sure but if I recall correctly, I've read somewhere that 
lvm on XCP and xenserver are custom versions patched with some 
additional features. It might be why --master flag does not exists on 
the debian stock lvm.
Not sure too, but I think it may apply only to shared file systemes that 
are using lvm, like iscsi.

Are you trying to create an iscsi SR ?

Cheers,
Sébastien

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