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tape: implement fast catalog restore

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This commit is contained in:
Dietmar Maurer
2021-03-23 13:39:33 +01:00
parent c6f55139f8
commit 074503f288
2 changed files with 153 additions and 4 deletions
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18
src/api2/tape/drive.rs
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@ -48,7 +48,10 @@ use crate::{
MamAttribute,
LinuxDriveAndMediaStatus,
},
tape::restore::restore_media,
tape::restore::{
fast_catalog_restore,
restore_media,
},
},
server::WorkerTask,
tape::{
@ -1279,7 +1282,7 @@ pub fn catalog_media(
let mut inventory = Inventory::new(status_path);
let _media_set_lock = match media_id.media_set_label {
let (_media_set_lock, media_set_uuid) = match media_id.media_set_label {
None => {
worker.log("media is empty");
let _lock = lock_unassigned_media_pool(status_path)?;
@ -1307,7 +1310,7 @@ pub fn catalog_media(
inventory.store(media_id.clone(), false)?;
media_set_lock
(media_set_lock, &set.uuid)
}
};
@ -1315,7 +1318,14 @@ pub fn catalog_media(
bail!("media catalog exists (please use --force to overwrite)");
}
// fixme: implement fast catalog restore
let media_set = inventory.compute_media_set_members(media_set_uuid)?;
if fast_catalog_restore(&worker, &mut drive, &media_set, &media_id.label.uuid)? {
return Ok(())
}
task_log!(worker, "no catalog found - scaning entire media now");
restore_media(&worker, &mut drive, &media_id, None, verbose)?;
Ok(())