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Old 02-24-2021, 09:55 AM   #1
linuly
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backup


hi,
when we create and lv snapshot what happens in background?
i mean there will be an automatically freeze of file system on that lv,then create snapshot itself,then unfreeze?

when take incremental backup,this incremental backup can be inconsistent?
let`s say we have database and i take incremental backup at every 15 minutes,then even i miss some i/o when i take incremental backup,those missed i/o will be taken after 15 minutes.corect?
 
Old 02-24-2021, 07:38 PM   #2
frankbell
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If you mean an "LVM" snapshot, you may find this article a good starting point.
 
Old 02-25-2021, 12:35 AM   #3
linuly
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when take incremental backup,this incremental backup can be inconsistent?
i must first shutdown my sql database or i must take this incremental backup when no users use database?

Last edited by linuly; 02-25-2021 at 01:28 AM.
 
  


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