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docs: Add storage limits to arch doc

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Updated the architecture document to explain that if you wish to
constrain the amount of disk space a container uses, you need to use an
existing facility such as `quota(1)`s or device mapper limits.

Fixes: #4430.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
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James O. D. Hunt 2022-06-09 10:52:17 +01:00
parent 05022975c8
commit 1b845978f9
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docs/design/architecture/storage.md
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@ -1,5 +1,17 @@
# Storage
## Limits
Kata Containers is [compatible](README.md#compatibility) with existing
standards and runtime. From the perspective of storage, this means no
limits are placed on the amount of storage a container
[workload](README.md#workload) may use.
Since cgroups are not able to set limits on storage allocation, if you
wish to constrain the amount of storage a container uses, consider
using an existing facility such as `quota(1)` limits or
[device mapper](#devicemapper) limits.
## virtio SCSI
If a block-based graph driver is [configured](README.md#configuration),