Well that was interesting - I booted up the application I used for BU of my Windows systems and used that to backup this Linux box over the network to the iSCSI connected drive.
Result using SW compression I was getting about 90-130MB/s So confused why dd etc. was so darn slow ... Dave On Saturday, 15 April 2017 11:05:25 UTC+1, [email protected] wrote: > > Before doing the dd I issued: > > mt-st -f /dev/st0l setblk 65536 stsetoptions 0x8000 > > which was happily accepted, but it made no difference to the throughput. > > Looking at the server hosting the tape, the network was only running at > about 37% capacity (32MB/s). > > Zipping the output of dd and writing to the non-compression device killed > throughput (not enough CPU grunt to keep the pipeline fed :( > > I may need to get some new network cards that support jumbo frames! > > Dave > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.
