Am 2016-03-10 18:02, schrieb Eric Sandeen:
On 3/9/16 4:35 AM, Marko Weber | 8000 wrote:
hello list,
my drives are all xfs formatted.
in fstab i set:
lazytime,logbsize=256k,logbufs=8
when i call "mount" on console i get:
rw,relatime,lazytime,attr2,inode64,logbufs=8,logbsize=256k,sunit=1024,swidth=3072,noquota
Why is relatime listed? Or is lazytime override this setting?
Even when i set "norelatime" in /etc/fstab i get "relatime" listed on
'mount'
Or am i wrong here with this question? is this not xfs related?
anyway, for any hints or suggestions i am thankful
lazytime is not a valid xfs mount option:
[root ~]# mount -o lazytime /dev/sdb1 /mnt/test
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
[root ~]# dmesg | tail -n 1
[645779.811802] XFS (sdb1): unknown mount option [lazytime].
I'm guessing this is your root fs? xfs today will silently ignore
unknown mount options on remount (patches to fix that are upstream),
and the root fs may get remounted w/ fstab options. So presumably
that's how you got lazytime into the mount output, especially if
it's looking at /etc/mtab. Look in /proc/mounts; I doubt you'll
see "lazytime" for this filesystem:
[root ~]# mount /dev/sdb1 /mnt/test
[root ~]# mount -o remount,lazytime /mnt/test
[root ~]# grep sdb1 /etc/mtab /proc/mounts
/etc/mtab:/dev/sdb1 /mnt/test xfs rw,lazytime 0 0
/proc/mounts:/dev/sdb1 /mnt/test xfs
rw,seclabel,relatime,attr2,inode64,noquota 0 0
Hi Eric,
my /etc/fstab entry:
/dev/VolGroup01/wiso /raid5/wiso xfs norelatime,lazytime
# mount:
/dev/mapper/VolGroup01-wiso on /raid5/wiso type xfs
(rw,relatime,lazytime,attr2,inode64,logbufs=8,logbsize=256k,sunit=1024,swidth=3072,noquota)
cat /proc/mounts:
/dev/mapper/VolGroup01-wiso /raid5/wiso xfs
rw,lazytime,relatime,attr2,inode64,logbufs=8,logbsize=256k,sunit=1024,swidth=3072,noquota
0 0
-Eric
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