Hello,
if I run diskspd on a BTRFS filesystem i get the following error:
root@server02:/btrfstest/source# /usr/src/diskspd-for-linux/bin/diskspd -b8K -d30 -o4 -t8 -r -w25 -c1G -L -v test.perf
Setting up target files
Tried to lookup nonexistent device 0,96 in sys_info!
root@server02:/btrfstest/source#
root@server02:/btrfstest/source# mount | grep -v docker| grep -v cgroup
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=1989148k,nr_inodes=497287,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=403912k,mode=755)
/dev/mapper/yii2--01--vg-root on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=352)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
/dev/vda1 on /boot type ext2 (rw,relatime,block_validity,barrier,user_xattr,acl)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=403908k,mode=700,uid=1000,gid=1000)
tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=403908k,mode=700)
/dev/vdb on /btrfstest/source type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/)
/dev/vdc on /btrfstest/dest type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/)
Hello,
if I run diskspd on a BTRFS filesystem i get the following error:
root@server02:/btrfstest/source# /usr/src/diskspd-for-linux/bin/diskspd -b8K -d30 -o4 -t8 -r -w25 -c1G -L -v test.perf
Setting up target files
Tried to lookup nonexistent device 0,96 in sys_info!
root@server02:/btrfstest/source#
root@server02:/btrfstest/source# mount | grep -v docker| grep -v cgroup
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=1989148k,nr_inodes=497287,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=403912k,mode=755)
/dev/mapper/yii2--01--vg-root on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=352)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
/dev/vda1 on /boot type ext2 (rw,relatime,block_validity,barrier,user_xattr,acl)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=403908k,mode=700,uid=1000,gid=1000)
tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=403908k,mode=700)
/dev/vdb on /btrfstest/source type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/)
/dev/vdc on /btrfstest/dest type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/)