[sheepdog] Multi-attach + Checksums

Aaron Knister aaron.s.knister at nasa.gov
Tue Apr 5 17:50:46 CEST 2016

Hi Everyone,

I'm looking at sheepdog for a project I'm working on, and have a couple 

1. Is it safe to attach a vdi to multiple sbd/tgtd/qemu instances at the 
same time? It certainly seems to work, but I'm curious to know if this 
is a use case that's tested for or if I'm likely to encounter issues 
doing this.

2. Does sheepdog checksum the objects and verify the checksums on reads? 
e.g. to protect against a disk drive flaking out doing something stupid 
since there won't be any RAID controllers involved here.



Aaron Knister
NASA Center for Climate Simulation (Code 606.2)
Goddard Space Flight Center
(301) 286-2776

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