[linux-lvm] pvmove hangs
Gergely Imre
gimre at nextra.ro
Tue Apr 26 09:19:58 UTC 2005
hi
i have a LV with two PVs in it, like this:
--- Logical volume ---
LV Name /dev/watchdog/watchdog_var
VG Name watchdog
LV UUID v6U2JY-PBMf-snpJ-IXX5-ZzcV-y4fk-PchoQg
LV Write Access read/write
LV Status available
# open 1
LV Size 72.22 GB
Current LE 2311
Segments 1
Allocation next free (default)
Read ahead sectors 0
Block device 254:6
--- Physical volumes ---
PV Name /dev/sdb2
PV UUID 5v23aD-mkO0-I9Ur-zUKG-sGd2-8iCP-zhgfJe
PV Status allocatable
Total PE / Free PE 2500 / 189
PV Name /dev/sda1
PV UUID 7mzLEZ-Va0c-sdiW-8KAV-lyjo-a5yI-GBORGS
PV Status allocatable
Total PE / Free PE 2941 / 2753
i want to remove sdb2, so i wanted to make a pvmove /dev/sdb2, so it
would move everything to sda1. the strange thing is, pvmove starts, and
after, say, 20% (about an hour or so) the whole system hangs somehow. i
can ping the box, but any command i try to run, fails. it's like it's
waiting for the disk to read/write, or something like that.
the distrib is Fedora Core 2.
lvm> version
LVM version: 2.00.15 (2004-04-19)
Library version: 1.00.14-ioctl (2004-04-06)
Driver version: 4.4.0
filesystem is ext3.
the system has 2GB RAM, dual Intel Xeon 3GHz.
i tried with kernel 2.6.11.7, after a while it gives me kernel panic
during pvmove. then i tried with 2.6.9, it didn't panic, but it hung,
and i had to reboot.
it's kinda urgent, thanks.
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