[sheepdog] download vdi via object storage
mitake.hitoshi at gmail.com
Mon Jul 6 15:07:52 CEST 2015
At Fri, 3 Jul 2015 14:30:41 +0200,
Maxim Terleckiy wrote:
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> I tried to use writethrough, but vms always died with qemu exceptions(qemu
> 1.5-2.1, sheep 0.8.0) after some minutes/hours/days of work. After that,
> during one year, I used writeback without any visible problems with data
> consistency on over 300 images with regular compute nodes crashing(hw/power
> failures). Just remember to clear object cache directory before starting
> sheep process at crashed node if you already redeployed vms from that node
> to others.
Maxim, thanks a lot for sharing. I have some questions:
1. could you provide your option of sheep in a case of writethrough?
2. does object cache contribute to performance?
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