Re: Same size drive has less usable space

[Luciano ES <lucmove@gmail.com>]

On Fri, 21 Dec 2018 17:57:37 +0100, Emmanuel Florac wrote:

> Le Thu, 20 Dec 2018 13:13:05 -0200
> Luciano ES écrivait:
> 
> > I guess at least part of the problem is CRC enabled in the second 
> > one. So, is there anything I can do to make all the data fit in the 
> > new drive?  
> 
> Your new drive is using 4K blocks, while the old one uses 512b blocks.
> That's why they can't match.
**************************

What 512b? There is no 512 in the old drive.

$ xfs_info /xx
meta-data=/dev/sda1     isize=256    agcount=8, agsize=30506944 blks
         =              sectsz=4096  attr=2, projid32bit=1
         =              crc=0        finobt=0 spinodes=0 rmapbt=0
         =              reflink=0
data     =              bsize=4096   blocks=244055552, imaxpct=25
         =              sunit=0      swidth=0 blks
naming   =version 2     bsize=4096   ascii-ci=0 ftype=0
log      =internal      bsize=4096   blocks=119167, version=2
         =              sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none          extsz=4096   blocks=0, rtextents=0


$ xfs_info /xxbkp
meta-data=/dev/sdb1     isize=512    agcount=8, agsize=61013888 blks
         =              sectsz=512   attr=2, projid32bit=1
         =              crc=1        finobt=1 spinodes=1 rmapbt=0
         =              reflink=0
data     =              bsize=2048   blocks=488111104, imaxpct=25
         =              sunit=0      swidth=0 blks
naming   =version 2     bsize=4096   ascii-ci=0 ftype=1
log      =internal      bsize=2048   blocks=238335, version=2
         =              sectsz=512   sunit=0 blks, lazy-count=1
realtime =none          extsz=4096   blocks=0, rtextents=0

-- 
Luciano ES
>>