effect of full root partition on server Post: 302581596

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Operating Systems HP-UX effect of full root partition on server Post 302581596 by Peasant on Tuesday 13th of December 2011 12:47:30 PM

12-13-2011

Moderator

Don't ever have entire / on disk, without the separate partitions for /var /tmp etc.

Example of good configuration :

Code:

/dev/vg00/lvol3    1048576  416032  627648   40% /
/dev/vg00/lvol1    1835008  170664 1651432    9% /stand
/dev/vg00/lvol8    17301504 10296080 6962808   60% /var
/dev/vg00/lvol7    7241728 4802312 2420416   66% /usr
/dev/vg00/lvol4    2097152 1584384  509056   76% /tmp
/dev/vg00/lvol6    9928704 8433328 1492712   85% /opt
/dev/vg00/lvol5    1048576  826152  220976   79% /home

This way, you will probably avoid complely crashed system caused by lack of disk space.
Don't chown e.g /oracledatabase to oracle user.
Rather make folder inside and mount your database mountpoints.

This way, if /oracledatabase disk subsystem fails, it can't write to /oracledatabase (since it's owned by root) and fill up / resulting in god knows what.

Hope that helps.
Regards
Peasant.

Peasant

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LEARN ABOUT MINIX

repartit

REPARTITION(8)						      System Manager's Manual						    REPARTITION(8)

NAME

       repartition - load a partition table

SYNOPSIS

       repartition device [partition-file]

DESCRIPTION

       Repartition  uploads  a new partition table for the partitions of device.  The table is obtained from the first sector of partition-file if
       given, device otherwise.  Device may refer to the whole drive or a primary partition, depending on whether you want to upload  a  partition
       or a subpartition table.  The partitions will be truncated to fit within the enclosing device like the disk driver does, unless the numbers
       are coming from partition-file.

EXAMPLES

       repartition /dev/hd0
       repartition /dev/hd4 /etc/hd4.table

       Reload the partition table of drive 0 setting /dev/hd[1-4], and the subpartition table of /dev/hd4 setting /dev/hd4[a-d] using a file.  The
       latter may be useful if you need more than the 4 subpartitions a single Minix partition gives you.

DIAGNOSTICS

       The new table is printed on standard output.

FILES

       /dev/hd[0-9]

SEE ALSO

       hd(4), part(8).

BUGS

       The disk must be in use for the changes to stick.  The partition table of an idle disk will be reloaded on the first open.

AUTHOR

       Kees J. Bot (kjb@cs.vu.nl)

																    REPARTITION(8)