I tried this Centos 7.4
echo '4096000' > /sys/block/sdb/queue/max_sectors_kb But I am getting Input/output error On Wed, Feb 13, 2019 at 7:29 PM Chan <[email protected]> wrote: > Hello > > I am having few severe performance issues on my ceph cluster. > > > Scenario 1 ) When I mount a rbd volume directly using rbd map command > to a linux kernel. I am getting good performance. > when I do dd on the above volume, I am getting 380 - 430 MB's. -- I am > good with this. > > > Scenario 2 ) I am using iscsi-gateway. iscsi1 and iscs2 as targets and > presenting LUNS ro all my initiators. > > > When I do dd on the volumes presented via iscsi gateway, my performance is > 10 to 25 MB's. which is very poor. > > I am gwcli commandline and connot use the belwo command > > "create images image=test1 size=100g max_data_area_mb=128" > > ' Unexpected keyword error ' > > -- > 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. > -- 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.
