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Raw vs. Filesystem?
Post 22767 by Kelam_Magnus on Monday 10th of June 2002 02:48:52 PM
06-10-2002
In my environment we are going from raw to mounted filesystems for ORACLE databases as we speak.
We are upgrading to 11.i and new hardware. from K-class & V-class to Superdome and Keystone systems. In addition, we are enabling largefiles that allow for larger than 2GB files. This will decrease the amount of table spaces needed for the large Databases that we will be creating, upto 10GB, and allow for more efficient storage of databases. Also, we are going to the new 170+GB disks for our EMC SAN which are more reliable than the current 80+ GB disks.
So the decrease in performance will be offset somewhat by the OS and hardware upgrades.
And the big PRO is that we can manage the filesystems with our backup utility, NetBackup, more effciently and with greater accuracy, instead of relying on my DBAs to remember to backup their databases.
We are upgrading to 11.i and new hardware. from K-class & V-class to Superdome and Keystone systems. In addition, we are enabling largefiles that allow for larger than 2GB files. This will decrease the amount of table spaces needed for the large Databases that we will be creating, upto 10GB, and allow for more efficient storage of databases. Also, we are going to the new 170+GB disks for our EMC SAN which are more reliable than the current 80+ GB disks.
So the decrease in performance will be offset somewhat by the OS and hardware upgrades.
And the big PRO is that we can manage the filesystems with our backup utility, NetBackup, more effciently and with greater accuracy, instead of relying on my DBAs to remember to backup their databases.
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LEARN ABOUT DEBIAN
virtual-filesystems
virtual-filesystems(7) Miscellaneous Information Manual virtual-filesystems(7) NAME
virtual-filesystems - event signalling that virtual filesystems have been mounted SYNOPSIS
virtual-filesystems [ENV]... DESCRIPTION
The virtual-filesystems event is generated by the mountall(8) daemon after it has mounted all virtual filesystems listed in fstab(5). mountall(8) emits this event as an informational signal, services and tasks started or stopped by this event will do so in parallel with other activity. This event is typically used by services that must be started in order to mount other filesystems. When this event occurs, common filesys- tems such as /usr may not be mounted. For most normal services the filesystem(7) event is sufficient. EXAMPLE
A service that wishes to be running once virtual filesystems are mounted might use: start on virtual-filesystems SEE ALSO
mounting(7) mounted(7) local-filesystems(7) remote-filesystems(7) all-swaps(7) filesystem(7) mountall 2009-12-21 virtual-filesystems(7)