Hello,
I have a LTO - Tape system with 3 drives.
the tapes are able to write with 280mb/s, which i can verify.
i tested this with a dataset of 500gb of small files, and another test with
1 single 200gb file. (from the same, and a different server, to be sure the
network connection doesnt bottle neck.)
Also with rsync i get the same speed (around 250-280mb/s)
both filesets (the 500gb of small files, and the single 200gb file) are
backuped with bareos, with only 100-120 mb/s
I already tried to set maximum_block_size to 1M, as i found some hints that
this could help.
my current device configuration looks like this:
Device {
Name = Drive-0
DriveIndex = 0
MediaType = LTO
ArchiveDevice = /dev/nst1
AutomaticMount = yes
RemovableMedia = yes
RandomAccess = no
Autochanger = yes
Maximum Changer Wait = 600
Maximum Open Wait = 600
Maximum Block Size = 1048576
}
bareos-dir --version
25.0.2~pre13.add249aa9
Any tips or recommendations are very welcomed.
best regards
Patrick
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