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Re: [Xen-devel] [PATCH] [RFC] Add lock on domain start
| To: | Jim Fehlig <jfehlig@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] [RFC] Add lock on domain start |
| From: | Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
| Date: | Mon, 11 Aug 2008 12:14:25 +0100 |
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| Delivery-date: | Mon, 11 Aug 2008 04:15:02 -0700 |
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Jim Fehlig writes ("[Xen-devel] [PATCH] [RFC] Add lock on domain start"):
> This patch adds a simple lock mechanism when starting domains by placing
> a lock file in xend-domains-path/<dom_uuid>. The lock file is removed
> when domain is stopped. The motivation for such a mechanism is to
> prevent starting the same domain from multiple hosts.
I think this should be dealt with in your next-layer-up management
tools.
Lockfiles are bad because they can become stale.
Ian.
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