Il 2021-02-05 01:41 Kenneth Porter ha scritto:
I'm setting up a CentOS 7 box as a BackupPC 4 server to back up
Windows boxes on my LAN. I'm using an external 1.5 TB USB drive for
the "pool". BackupPC deduplicates by saving all files in a pool, a
directory hiearchy with each file named for the checksum of the file,
and the directories acting as a hash tree to reach each pool file. A
backup for a specific workstation is a directory tree of checksums and
metadata that point into the pool for the actual file data.
Incremental backups are reverse deltas from periodic "filled" backups
of all files. I'm using rsyncd to pull changed files from the
workstations.
I'm deciding which filesystem to use for my external drive. I'm
thinking the main candidates are ext4 and xfs. What's the best
filesystem for this application?
While being a fan of XFS, for an external drive I would use EXT4. My
(anectodal) experience is that EXT3/4 is more resilient to flacky
hardware/connection as the one provided my many USB adapters.
Regards.
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