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Re: ACL

Hi all,

a couple of days ago I wrote that after enabling ACLs we had trouble mounting an Xsan volume after reboot
of the primary MDC. It was true, but the reason were not the ACLs. Indeed, they work great.

In Xsan 1.4 there seems to be a simple rule: if you shutdown your whole Xsan system, i.e. if you turn off all your
MDCs and your clients, you need to turn on all your MDCs first before you can activate an Xsan volume and
start the clients and mount the volume.

If one of the MDCs is turned off, in my tests it seems you can not turn on an Xsan volume. As soon as you turn on
the missing MDC(s), the volume can be activated and mounted on the clients.

If after a crash one of your MDCs is not available anymore but you need to turn on your Xsan volumes, open
/Library/FileSystems/Xsan/config/fsnameservers and delete the IP address(es) of the missing MDCs.
Do this on all your remaining MDCs and your Xsan volume can be activated and mounted again.

I guess this is a feature, as an Xsan volume should have all its MDCs available upon startup.

Regards,

André



On 19.08.2006, at 14:18, André Aulich wrote:

Hi all,

I am just upgrading a production system from Xsan 1.3 to Xsan 1.4.
You activate ACLs by choosing Storage->VOLUMENAME->Edit.
In the little Pop-up menu you select Activate ACLs.

In our update process we experience, that after enabling ACLs our MDC
gets into trouble finding any metadata storage after a reboot.
This leads to the fact, that our Xsan volume is not mountable anymore.

File System checks haven't helped yet, and turning ACLs off brings back
the Xsan volume immediately.
Turning ACLs on without rebooting works fine.

I'll write more later on if I manage to make it through a reboot with
ACLs activated.

Cheers,

André

On 19.08.2006, at 14:00, Mark Nassy wrote:


On Aug 18, 2006, at 7:27 AM, Mark Nassy wrote:

are the file system ACL discussed in xsan 1.4 compatible with the file system ACL's used in an active directory domain? 



On Aug 18, 2006, at 8:56 AM, Gustavo Beathyate wrote:

I would definitively think so. If they are implemented in the same way as an HFS volume, they are...

i tried turning on ACL in workgroup manager on the XSAN 1.4 volume but it would not allow me to do so. I looked in the XSAN admin 1.4 but did not see anything there that would allow me to enable them. does anyone know how i enable them?


mark andrew nassy
email@hidden

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--
André Aulich
Apple Server & Storage Consultant
http://www.aulich-adamski.de



--
André Aulich
Apple Server & Storage Consultant
http://www.aulich-adamski.de


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Do not post admin requests to the list. They will be ignored.
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References: 
 >ACL (From: Mark Nassy <email@hidden>)
 >Re: ACL (From: Gustavo Beathyate <email@hidden>)
 >Re: ACL (From: Mark Nassy <email@hidden>)
 >Re: ACL (From: André Aulich <email@hidden>)



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