3692169 - SAP ASE on NetApp. Slow performance on device init/resize - SAP ASE

while executing disk init/resize:

write for about 4h30 at around 13MB/s.
(4*60+30)*60*13 => about 200GB

It take around 12h to resize 300Gb device

Or 14mn for 10Gb 

SAP Adaptive Server Enterprise (ASE) All versions

mount |grep TST

/dev/mapper/data-root on /TST_ type ext4 (rw,noatime,nodiratime,seclabel,nobarrier,data=writeback)

/dev/mapper/data-svc on /TST/sybase type ext4 (rw,noatime,nodiratime,seclabel,nobarrier,data=writeback)

TST:/svctools/svc_TST_data on /TST/sybdata-nfs type nfs4 (rw,relatime,vers=4.1,rsize=65536,wsize=65536,namlen=255,acregmin=0,acregmax=0,acdirmin=0,acdirmax=0,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=171.113.198.222,local_lock=none,addr=184.96.151.26)

ASE device attribute:

dysnc=off

directio=on

disk_resize, disk_phys , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem