I got similar problem with LVM on top of RAID1 OS: Ubuntu Hardy kernel: 2.6.24-16-generic RAID1: md3 on 2 sata partitions - /dev/sda6 /dev/sdb6 LVM: using md3 as PV It's ok with lvm original volume, but the I/O speed become extremely slow on snapshots. a single 'rm file' operation take dozens of seconds!!! strace show shat it takes very long time at unlinkat(AT_FDCWD, "$filename", 0.......
-- lvm snapshot on top of md raid 1 causes nearly 100% cpu usage https://bugs.launchpad.net/bugs/113713 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs