The LiteSpeed created backup files (when using Fast Compression) are named similar to the file names below. What do these file names mean?
AdventureWorks.litespeed.f1.bkp
AdventureWorks.litespeed.f1.d0.bkp
AdventureWorks.litespeed.f1.d1.bkp
AdventureWorks.litespeed.f1.d2.bkp
AdventureWorks.litespeed.f2.bkp
Explanation of how the Fast Comression naming works.
A FastCompression backup has the form: <DatabaseName>.litespeed.<index>.bkp
The index is a 1 to 4 part naming index of the form f#[.d#][.s#][.m#]
f: Full backup id of backup taken by Fastcompression
Starts at 0 and incrementing
d: Differential id of backup taken by Fastcompression
Starts at 0 and incrementing for *each* full backup
Only exists if this is a differential
s: Stripe id of backup file
Only exists if this is a multi-stripe backp
m: Mirror id of backup
Only exists if this a mirrored backup (not a primary)
So:
InstanceName.litespeed.f10.bkp: Eleventh full backup produced by FC (single-file, not mirrored)
And
InstanceName.litespeed.f6.d1.s3.m2: Fourth stripe file of third mirror of second differential applicable to seventh full backup
This placeholder can be further shortened if there is not enough room due to file system path length restrictions.