* an mount option question and dunno if right here...
@ 2016-03-09 10:35 Marko Weber | 8000
2016-03-09 11:01 ` Carlos E. R.
2016-03-10 17:02 ` Eric Sandeen
0 siblings, 2 replies; 6+ messages in thread
From: Marko Weber | 8000 @ 2016-03-09 10:35 UTC (permalink / raw)
To: Xfs
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
best regards
marko
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: an mount option question and dunno if right here...
2016-03-09 10:35 an mount option question and dunno if right here Marko Weber | 8000
@ 2016-03-09 11:01 ` Carlos E. R.
2016-03-10 17:02 ` Eric Sandeen
1 sibling, 0 replies; 6+ messages in thread
From: Carlos E. R. @ 2016-03-09 11:01 UTC (permalink / raw)
To: XFS mail list
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On 2016-03-09 11:35, Marko Weber | 8000 wrote:
> Why is relatime listed? Or is lazytime override this setting?
> Even when i set "norelatime" in /etc/fstab i get "relatime" listed on
> 'mount'
Because you get a number of default options. Probably depends on the
distribution. I know that on openSUSE you get relatime set, for instance.
--
Cheers / Saludos,
Carlos E. R.
(from 13.1 x86_64 "Bottle" at Telcontar)
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: an mount option question and dunno if right here...
2016-03-09 10:35 an mount option question and dunno if right here Marko Weber | 8000
2016-03-09 11:01 ` Carlos E. R.
@ 2016-03-10 17:02 ` Eric Sandeen
2016-03-16 13:03 ` Marko Weber | 8000
1 sibling, 1 reply; 6+ messages in thread
From: Eric Sandeen @ 2016-03-10 17:02 UTC (permalink / raw)
To: xfs
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
-Eric
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: an mount option question and dunno if right here...
2016-03-10 17:02 ` Eric Sandeen
@ 2016-03-16 13:03 ` Marko Weber | 8000
2016-03-16 13:48 ` Eric Sandeen
0 siblings, 1 reply; 6+ messages in thread
From: Marko Weber | 8000 @ 2016-03-16 13:03 UTC (permalink / raw)
To: Eric Sandeen; +Cc: xfs
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
>
> _______________________________________________
> xfs mailing list
> xfs@oss.sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: an mount option question and dunno if right here...
2016-03-16 13:03 ` Marko Weber | 8000
@ 2016-03-16 13:48 ` Eric Sandeen
2016-03-16 19:34 ` Dave Chinner
0 siblings, 1 reply; 6+ messages in thread
From: Eric Sandeen @ 2016-03-16 13:48 UTC (permalink / raw)
To: weber; +Cc: xfs
On 3/16/16 8:03 AM, Marko Weber | 8000 wrote:
>
> 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
>
Ok, I stand corrected, sorry; I forgot about this:
commit 0ae45f63d4ef8d8eeec49c7d8b44a1775fff13e8
Author: Theodore Ts'o <tytso@mit.edu>
Date: Mon Feb 2 00:37:00 2015 -0500
vfs: add support for a lazytime mount option
-Eric
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: an mount option question and dunno if right here...
2016-03-16 13:48 ` Eric Sandeen
@ 2016-03-16 19:34 ` Dave Chinner
0 siblings, 0 replies; 6+ messages in thread
From: Dave Chinner @ 2016-03-16 19:34 UTC (permalink / raw)
To: Eric Sandeen; +Cc: xfs, weber
On Wed, Mar 16, 2016 at 08:48:13AM -0500, Eric Sandeen wrote:
> On 3/16/16 8:03 AM, Marko Weber | 8000 wrote:
> >
>
> > 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
> >
>
> Ok, I stand corrected, sorry; I forgot about this:
>
> commit 0ae45f63d4ef8d8eeec49c7d8b44a1775fff13e8
> Author: Theodore Ts'o <tytso@mit.edu>
> Date: Mon Feb 2 00:37:00 2015 -0500
>
> vfs: add support for a lazytime mount option
Don't for that lazytime isn't actually implemented by XFS, and we
can't intercept that flag at mount time because it's been added as a
VFS flag. So on everything but ext4 it does nothing, it conflicts
with other atime settings we do support, and we can't really do
anything about it...
Cheers,
Dave.
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Dave Chinner
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2016-03-09 10:35 an mount option question and dunno if right here Marko Weber | 8000
2016-03-09 11:01 ` Carlos E. R.
2016-03-10 17:02 ` Eric Sandeen
2016-03-16 13:03 ` Marko Weber | 8000
2016-03-16 13:48 ` Eric Sandeen
2016-03-16 19:34 ` Dave Chinner
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