Dear list,
I have a speed question about my DLT tape drive. First some tech:
The controller:
description: SCSI storage controller
product: AIC-7892A U160/m
vendor: Adaptec
physical id: 9
bus info: [EMAIL PROTECTED]:09.0
logical name: scsi0
version: 02
width: 64 bits
clock: 66MHz
capabilities: scsi bus_master cap_list scsi-host
configuration: driver=aic7xxx latency=64 maxlatency=25 mingnt=40
resources: iomemory:ff6fe000-ff6fefff irq:177
The Tape Drive:
Vendor: COMPAQ Model: DLT4000 Rev: D887
Type: Sequential-Access ANSI SCSI revision:
02
target0:0:6: Beginning Domain Validation
target0:0:6: FAST-10 SCSI 10.0 MB/s ST (100 ns, offset 15)
target0:0:6: Domain Validation skipping write tests
target0:0:6: Ending Domain Validation
But the general speed with which Bacula saves to disk is: Bytes/sec=2,091,958.
I could be daft here, but that's about 1.9950MB per second. While the drive is
supposed to be able to write with 10MB's per second.(?)
The data being backed up is on a software raid1, and reading is currently
around 60, which should be plenty for the Tape drive.
The Storage Data section:
Device {
Name = DLT-IV
Archive Device = /dev/nst0
Media Type = Tape
LabelMedia = yes
Random Access = no
AutomaticMount = yes
RemovableMedia = yes
Offline On Unmount = yes
Maximum Open Wait = 172800
Volume Poll Interval = 60
Close on Poll= Yes
AlwaysOpen = yes
What am I doing wrong? What other config settings are there?
Thanks,
Mark
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