Am 11.04.25 um 15:54 schrieb Gilles Van Vlasselaer:
I can't seem to get Maximum block size = 1024K to work, I can't label the tapes
either with btape or bconsole;
When I revert it to 512K, the labeling works as expected, maybe the drive isn't
capable of managing 1M block sizes?
Whilst being i
Hi Udo,
That's good news. Please leave out the "Minimum Block Size". "Maximum
Block Size" defines also the default that will be used. ITDT made up
the 29G, you don't need to adhere to them. Even though 1024K Transfer
Size is not listed in the ITDT table you should give it a try.
I can't seem t
Am 10.04.25 um 13:33 schrieb Gilles Van Vlasselaer:
Hi Udo,
Thanks for your input, with the itdt command I got the following;
Compres- Transfer Data Size Elapsed Data Rate
able Size (KB) (MB)Time (s) (MB/s)
+--+-+-++--+
| No | 512 | 2999
Hi Udo,
Thanks for your input, with the itdt command I got the following;
Compres- Transfer Data Size Elapsed Data Rate
able Size (KB) (MB)Time (s) (MB/s)
+--+-+-++--+
| No | 512 | 2 | 104.766| 286.342 |
| No | 256 | 2
Am 08.04.25 um 16:17 schrieb Gilles Van Vlasselaer:
Hi Udo,
Your Maximum File Size ist too small. If you assume 300MB/sec the
tape would stop every 5000/300 seconds to write an EOF mark. That
cannot be fast. Please try at least the amount of data for writing 3
minutes sustained (Maximum File
Hi Udo,
Your Maximum File Size ist too small. If you assume 300MB/sec the tape
would stop every 5000/300 seconds to write an EOF mark. That cannot be
fast. Please try at least the amount of data for writing 3 minutes
sustained (Maximum File Size = 54GB).
I'll try this once the current copy job
Am 08.04.25 um 14:18 schrieb Gilles Van Vlasselaer:
Hi all, I'm having issues with write speeds to our LTO drive. Copy jobs aren't
going over 100 MB/sec, and on average it's around 80 MB/sec.
Using btape speed I was benchmarking the performance on different tapes (HW
compression on/off, HW en
Hi all, I'm having issues with write speeds to our LTO drive. Copy jobs
aren't going over 100 MB/sec, and on average it's around 80 MB/sec.
Using btape speed I was benchmarking the performance on different tapes
(HW compression on/off, HW encryption on/off), and it reached 180-220
MB/sec, depe
