xfs
[Top] [All Lists]

XFS/Alpha Blocksize query

To: <linux-xfs@xxxxxxxxxxx>
Subject: XFS/Alpha Blocksize query
From: "kieran fulke" <kieran@xxxxxxxxxxx>
Date: Sat, 19 Oct 2002 11:14:30 +0100 (BST)
Importance: Normal
Sender: linux-xfs-bounce@xxxxxxxxxxx
I recall reading on the list somewhere, someone mentioning that XFS and
other filesystems on alpha-linux would use a blocksize of 8k, given the
pagesize being the same. having just recently moved / on my alpha over to
XFS, I noticed this oddity:
kieran@hysteria kieran $  xfs_info /
meta-data=/                      isize=256    agcount=3, agsize=732966 blks
data     =                       bsize=4096   blocks=2198896, imaxpct=25
         =                       sunit=0      swidth=0 blks, unwritten=0
naming   =version 2              bsize=4096
log      =internal               bsize=4096   blocks=6144 version=1
         =                       sunit=0 blks
realtime =none                   extsz=65536  blocks=0, rtextents=0

I created that fs with "mkfs.xfs -f -d agcount=3 -l size=24m -L /
/dev/sda2" intentionally not specifying a blocksize, in any of the
options, expecting it to use the native 8k pagesize, but it didnt.this isnt a 
problem in any way, the fs works fine, as to the utilities
(xfsdump, fsr et al) .. I'm just curious.
here's /proc/cpuinfo as well, just for good measure:

kieran@hysteria kieran $ cat /proc/cpuinfo
cpu                     : Alpha
cpu model               : EV56
cpu variation           : 7
cpu revision            : 0
cpu serial number       :
system type             : EB164
system variation        : LX164
system revision         : 0
system serial number    :
cycle frequency [Hz]    : 600000000
timer frequency [Hz]    : 1024.00
page size [bytes]       : 8192
phys. address bits      : 40
max. addr. space #      : 127
BogoMIPS                : 1191.08
kernel unaligned acc    : 50244 (pc=fffffc000090c694,va=fffffc001e4c806c)
user unaligned acc      : 0 (pc=0,va=0)
platform string         : Digital AlphaPC 164LX 599 MHz

regards,






<Prev in Thread] Current Thread [Next in Thread>