Re: Tiered storage feature

[Strahil Nikolov <hunter86_bg@xxxxxxxxx>]

В 21:33 +0100 на 26.01.2021 (вт), Olaf Buitelaar написа:

Dear Schlick,

It's indeed dropped, I think it's in favor of more native options. The go to replacement is lvm-cache (https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/logical_volume_manager_administration/lvm_cache_volume_creation). 

This places just an amount of SSD storage as a cache layer in-front of your HDDs, using device mapping.

If you're into ansible, you could use these play's; https://github.com/gluster/gluster-ansible-infra

it seems to operate pretty stable.

If anyone is deploying LVM cache in writeback mode (all data saved on cache before flushed to slower disks) on EL7 clones - please read https://bugzilla.redhat.com/show_bug.cgi?id=1668163 .

Best Regards,

Strahil Nikolov

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