yes. i use it to mirror my venti arenas on other ssds, partitioned the same as the original , with a short script run by the cron on the venti server. mirror: #!/bin/rc venti/mirrorarenas -v /dev/sdE0/arenas0 /dev/sdE1/arenas0 venti/mirrorarenas -v /dev/sdE0/arenas0 /dev/sdE2/arenas0 date
On Wed, 31 Jul 2024 at 03:08, <mo...@posixcafe.org> wrote: > If you look at the top of the file you'll see: > > /* > * Mirror one arena partition onto another. > * Be careful to copy only new data. > */ > > > Now if you combine this with some of the information from venti(8): > > The data log is logically split into sections called arenas, > typically sized for easy offline backup (e.g., 500MB). A > data log may comprise many disks, each storing one or more > arenas. Such disks are called arena partitions. Arena par- > titions are filled in the order given in the configuration. > > > My best guess is that this is an incremental backup tool, where you give > it a source and destination arena partition and the code looks at both, > figures out the deltas, then copies over only what is needed. The venti > code is a bit inscrutable and I'm no venti guy so take this with a grain of > salt. > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription> Permalink > <https://9fans.topicbox.com/groups/9fans/Tca0eb0fbb2404e31-M193f031acea0a531d106af6c> > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tca0eb0fbb2404e31-Mfba60d10721e0f8e0cf4e3ae Delivery options: https://9fans.topicbox.com/groups/9fans/subscription