Hi,
> one more thing to try is raising the readahead setting for your raid0
> device, if you haven't done that yet. If this happens to be a linux
> server you could do this by echo 8192 >
> /sys/block/md0/queue/readahead_kb for a software raid. If it's a
> hardware raid, use the device name of tha
Hey Frank,
2013/1/3 :
> thank you all for your replies. I did some testing and set Maximum File
> Size to 30GB now instead of the 1GB default. Now the drive sounds much
> healthier.
>
>> from what i remember the manual recommends something like 2GB Maximum
>> File Size for LTO2-3, so i guess LTO
Hello,
thank you all for your replies. I did some testing and set Maximum File
Size to 30GB now instead of the 1GB default. Now the drive sounds much
healthier.
> from what i remember the manual recommends something like 2GB Maximum
> File Size for LTO2-3, so i guess LTO5 would be served well w
f.staed...@dafuer.de wrote (2013/01/02):
> thanks for your quick answer. So the sound of the drive like starting
> and stopping in about 10 second intervals are normal?
Hi, no, it is not normal. Except that you have too small Maximum File Size
setting. I have 8 GB, which means atleast one file pe
Hello,
2013/1/3
>
> Hello
>
> from what i remember the manual recommends something like 2GB Maximum
> File Size for LTO2-3, so i guess LTO5 would be served well with 4GB.
>
>
You can check a performance of different tape file size (EOF marks) using a
btape utility. I found 8GB optimal for LTO5.
Zitat von f.staed...@dafuer.de:
> Hi Jesper,
>
>> Well, if you are sending uncompressible data, then above picture
>> looks like a fully saturated LTO5-drive operating at optimal speed
>> since the 140MB/s are for compressible data to the drive.
>
> thanks for your quick answer. So the sound of t
Hi Jesper,
> Well, if you are sending uncompressible data, then above picture
> looks like a fully saturated LTO5-drive operating at optimal speed
> since the 140MB/s are for compressible data to the drive.
thanks for your quick answer. So the sound of the drive like starting
and stopping in abo
On 02/01/13 16:12, f.staed...@dafuer.de wrote:
> Is there anything wrong here? If I'm right about 140MB/s for an
> LTO5 are quite ok since the data cannot be compressed.
Well, if you are sending uncompressible data, then above picture
looks like a fully saturated LTO5-drive operating at optimal
Hello,
maybe a beginners question from me. I setup bacula and I'm very
impressed about it. I have a LTO-5 drive and use data spooling to a
6x1TB RAID0 array before streaming to disk. But thoughput is maybe low.
The drive writes while reading at 140MB from disk for 7-8 seconds, stops
for 4-5 se
