On 02/03/19 21:25, Nir Soffer wrote:
# mkfs.xfs /dev/test/lv1
meta-data=/dev/test/lv1 isize=512 agcount=4, agsize=25600 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=0,
rmapbt=0, reflink=0
data = bsize=4096 blocks=102400, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=855, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
Has the problem here the same root as for ext4? I guess sectsz should be
>=4096 to avoid troubles, isn't it?
Just to draw some conlusion, could we say that currently, if we are
going to move data around with LVM, it's better to check that the
filesystem is using a block size >= than "blockdev --getbsz
DESTINATIONDEVICE"? At least with ext4 and xfs.
Something that couldn't be true with really small devices (< 500 MB).
Is there already an open bug regarding the problem discussed in this thread?
Cesare.
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