Okay here is the run on the other partition, including a pre-conversion
fsck.
# df -h /raid1
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 1.8T 1.2T 557G 69% /raid1
*Pre-conversion fsck:*
# time fsck -fp /dev/sdb1
fsck 1.41.3 (12-Oct-2008)
RAID1: 3259/244203520 files (13.8% non-contiguous), 318202066/488382016
blocks
real 70m24.617s
user 16m50.522s
sys 4m47.142s
# tune2fs -O extents,uninit_bg,dir_index /dev/sdb1
tune2fs 1.41.3 (12-Oct-2008)
Please run e2fsck on the filesystem.
*The painful fsck that does all the work:*
# time fsck -fp /dev/sdb1
fsck 1.41.3 (12-Oct-2008)
RAID1: Group descriptor 14902 checksum is invalid. FIXED.
RAID1: Group descriptor 14903 checksum is invalid. FIXED.
RAID1: Group descriptor 14904 checksum is invalid. FIXED.
RAID1: 3259/244203520 files (13.8% non-contiguous), 318202066/488382016
blocks
real 70m3.541s
user 16m27.907s
sys 4m44.266s
*Post-conversion fsck:*
# time fsck -fp /dev/sdb1
fsck 1.41.3 (12-Oct-2008)
RAID1: 3259/244203520 files (13.8% non-contiguous), 318202066/488382016
blocks
real 43m50.323s
user 1m51.994s
sys 0m37.605s
-Charles
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