this should be possible using e2fsprogs:

mke2fs -O journal_dev /dev/journal-device
tune2fs -j -J device=/dev/journal-device /dev/ost-device

(use the latest ones for lustre: https://downloads.hpdd.intel.com/public/e2fsprogs/latest/)


On 08/20/2014 02:40 PM, Brock Palen wrote:
Is there a way to pass ldiskfs (formatted under lustre 1.8) an option like ext3's journal_path or journal_dev

When I try I get errors:

LDISKFS-fs (sdb): Unrecognized mount option "journal_path=/dev/sdc" or missing value
LDISKFS-fs (sdb): Unrecognized mount option "journal_dev=8:32" or missing value

Thanks,

Brock Palen
www.umich.edu/~brockp
CAEN Advanced Computing
XSEDE Campus Champion
brockp@umich.edu
(734)936-1985






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