sonriks
asked on
output of df -k (using automount)
Why are there two entries being returned when I enter the following command?
df -k /nfs/home/oracle/NAS_archo
/nfs/home/oracle/NAS_archo
460897032 free allocated Kb
552578368 used allocated Kb
55 % allocation used
/nfs/home/oracle/NAS_archo
460897032 free allocated Kb
552578368 used allocated Kb
55 % allocation used
There are several map files being used on this server, but this is the only one that is resulting in a duplicate (which references the map file) when I issue the df -k command on this fs.
df -k /nfs/home/oracle/NAS_archo
/nfs/home/oracle/NAS_archo
460897032 free allocated Kb
552578368 used allocated Kb
55 % allocation used
/nfs/home/oracle/NAS_archo
460897032 free allocated Kb
552578368 used allocated Kb
55 % allocation used
There are several map files being used on this server, but this is the only one that is resulting in a duplicate (which references the map file) when I issue the df -k command on this fs.
ASKER
no .... fstab is clean. Just noticed something though, sometimes the df -k results in both records, and sometimes only one (the one that lists nas-map)
Could there be some sort of procedure (cronjob?) which would mount/demount the fs on a regular basis?
ASKER
negative .... just checked them all.
Well,
since it looks like Oracle - are you using Oracle's Direct NFS by any chance?
Check for the existence of "$ORACLE_HOME/dbs/oranfsta
Depending on the OS flavour you use there might be an /etc/mtab. Please check this as well, it often contains old, invalid mount information.
since it looks like Oracle - are you using Oracle's Direct NFS by any chance?
Check for the existence of "$ORACLE_HOME/dbs/oranfsta
Depending on the OS flavour you use there might be an /etc/mtab. Please check this as well, it often contains old, invalid mount information.
.. just from curiosity:
do you get the mentioned results with "mount" and "df" alone as well, or just with "df mountpoint"?
do you get the mentioned results with "mount" and "df" alone as well, or just with "df mountpoint"?
ASKER
Not using Oracle's Direct NFS
There is no "$ORACLE_HOME/dbs/oranfsta
There is no /etc/mtab file
the results I'm getting is from "df -k /nfs/home/oracle/NAS_archo
mount command shows only a single record:
/nfs/home/oracle/NAS_archo
Of course, the contents of /etc/mnttab changes .. .sometimes show only one, then other times shows both.
FYI the server was recently rebooted but this condition persists.
There is no "$ORACLE_HOME/dbs/oranfsta
There is no /etc/mtab file
the results I'm getting is from "df -k /nfs/home/oracle/NAS_archo
mount command shows only a single record:
/nfs/home/oracle/NAS_archo
Of course, the contents of /etc/mnttab changes .. .sometimes show only one, then other times shows both.
FYI the server was recently rebooted but this condition persists.
That's not consistent -
"the contents of /etc/mnttab changes .. .sometimes show only one, then other times shows both"
versus
"mount command shows only a single record"
??
But I must admiit - no more idea, sorry!
wmp
"the contents of /etc/mnttab changes .. .sometimes show only one, then other times shows both"
versus
"mount command shows only a single record"
??
But I must admiit - no more idea, sorry!
wmp
ASKER
thanks, wmp .... I appreciate your input.
-s
-s
> There are several map files being used on this server
Could you post the maps?
By the way, do you use autofs?
> (nasora:/nasarclog )
> (/etc/nas-map )
From the df output, it seems that the same mount point show on two maps.
Which Linux system do you have?
Could you post the maps?
By the way, do you use autofs?
> (nasora:/nasarclog )
> (/etc/nas-map )
From the df output, it seems that the same mount point show on two maps.
Which Linux system do you have?
ASKER
Hi wesly,
Here is the auto_master and the map files:
auto_master
/net -hosts -nosuid,soft
/- /etc/crm_map
/- /etc/nas-map
/- /etc/ora-map
/- /etc/vantive_map
/- /etc/sapcd_map
crm_map
/apps/psoft bizdev2.hns.com:/apps/psof
nas-map
/nfs/home/oracle/NAS_archo
ora-map
/nfs/home/orasoft nasora:/orasoft
vantive_map
/apps/vantive bizdev2:/apps/vantive
sapcd_map
/sapcd sapdev01.hns.com:/sapcd
There's no linux server involved here ... things are being mounted from the NAS (nasora)
Here is the auto_master and the map files:
auto_master
/net -hosts -nosuid,soft
/- /etc/crm_map
/- /etc/nas-map
/- /etc/ora-map
/- /etc/vantive_map
/- /etc/sapcd_map
crm_map
/apps/psoft bizdev2.hns.com:/apps/psof
nas-map
/nfs/home/oracle/NAS_archo
ora-map
/nfs/home/orasoft nasora:/orasoft
vantive_map
/apps/vantive bizdev2:/apps/vantive
sapcd_map
/sapcd sapdev01.hns.com:/sapcd
There's no linux server involved here ... things are being mounted from the NAS (nasora)
temporary take out
auto_master
/net -hosts -nosuid,soft <=== take out this line
...
And reboot this system and check "df -k" command output again.
auto_master
/net -hosts -nosuid,soft <=== take out this line
...
And reboot this system and check "df -k" command output again.
ASKER
thanks. I'll give it a try when I'm able to reboot the system. Is there any way to make this take affect without a reboot that might be worth a try?
for Fedora/Redhat/CentOS
as root
service autofs restart
However, this is not clean because some of processes/users might access the NFS mount which the umount will fail.
So reboot give a clean mount and usually flush the nfs cache.
as root
service autofs restart
However, this is not clean because some of processes/users might access the NFS mount which the umount will fail.
So reboot give a clean mount and usually flush the nfs cache.
ASKER
the server in question is an HPUX rx6600. Looking forward to tryout out your suggestion.
Thank you!
Thank you!
HP-UX, check /etc/mnttab for duplicate entries.
This URL suggested that apply Enhanced AutoFS and NFS patches.
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1219285
This URL suggested that apply Enhanced AutoFS and NFS patches.
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1219285
ASKER
thanks ... the /etc/mnttab will sometimes show one entry and other times two, just like the df -k
Will be rebooting the server next Tuesday. I'll also check on the patch levels. I'll let you know if the reboot fixes the issue. thanks again for your continued and excellent advice.
Will be rebooting the server next Tuesday. I'll also check on the patch levels. I'll let you know if the reboot fixes the issue. thanks again for your continued and excellent advice.
ASKER
The reboot didn't fix the problem. Next step will be to contact HP to see what they say. Thanks again!
Good luck.
ASKER
Per HP this is normal behavior.
> Per HP this is normal behavior.
If this doen't cause the nfs access failure, then it should be ok.
I saw this in large NFS automount volume environment and I have encountered any NFS issue related to duplicate entries for the same mount point.
If this doen't cause the nfs access failure, then it should be ok.
I saw this in large NFS automount volume environment and I have encountered any NFS issue related to duplicate entries for the same mount point.
ASKER CERTIFIED SOLUTION
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ASKER
This has been decribed as "normal" behavior by HP Support
>> Per HP this behavior is normal. <<
How could it then be that
>> There are several map files being used on this server, but this is the only one that is resulting in a duplicate <<
as written in your Q?
We cannot work seriously on a question when there is wrong or misleading and never corrected information already contained in the original post.
did you over-mount it by hand accidentally (or by /etc/fstab)?
wmp