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Re: [MirageOS-devel] Deploying unikernels with files as arguments

On 3 August 2015 at 12:04, Dave Scott <Dave.Scott@xxxxxxxxxx> wrote:
> The implementation will tar up the directory you give it, and add a block 
> device to the VM configuration. Take a look at the generated .xl config file 
> to see the generated `disk` section. When the VM starts it will scan once 
> through the archive and build an index of file -> offset in the tar stream. 
> All reads of the data will be done via the block interface, avoiding caching 
> them in memory.
> Itâs also possible to use the FAT filesystem driver but the (driver) code is 
> a bit more complicated and has known bugs (mainly concurrency ones which 
> might not matter if your data is read only).

At least one other issue with the ~FAT filesystem that I recall was
the limit on filesystem size.
What's the limit on the tar archive approach?

Richard Mortier

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