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Full Discussion: Expand ufs Filesystems
Operating Systems Solaris Expand ufs Filesystems Post 302252431 by atogunde on Wednesday 29th of October 2008 11:48:23 AM
Old 10-29-2008
Expand ufs Filesystems

Hi All,

I need to expand a number of Filesystems on a Sun machine running Solaris 10 OS. But first I am confused;

1. Is it possible to expand a ufs filesystem such as /dev/dsk/c1t1d0s0 (that is not managed by SVM) without lossing existing data?

2. Is it possible to have such a filesystem span over more than 1 physical disks?

At present I have the following filesystems which are almost full;

/dev/dsk/c1t1d0s0 141179002 121798695 17968517 88% /mainDB
/dev/dsk/c1t4d0s0 141179002 130083737 9683475 94% /mainHOME
/dev/dsk/c1t3d0s0 141179002 139767832 0 100% /webapps

Each of these flesystems were created on 1 physical disk each taking the whole space. ( The entrie disk has been taken up by the filesystems)

I wish to expand these filesystems; I have added five new disks to the system.

How do I expand these file systems without loosing the existing data?

I thought of the following;

1. Partition the new disks and create metadevices on them, ->create 3 volumes using SVM, -> mount the new volumes on 3 different fielsystems, -> then backup or copy the existing filesystems to the newly mounted ones (how do I do that?), -> edit the /etc/vfstab, change the mount devices for the filesystems so that the system mounts the newly created metadevices on the old mount points, re-partition the old disks and make them into metadevices, use growfs to expand the the 3 filesystems on the fly.

I haven't done this before, I just some opinions please. What steps can I take for these please

Thanks

atogunde


 

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load_dat_font(3alleg4)						  Allegro manual					    load_dat_font(3alleg4)

NAME
load_dat_font - Loads a FONT from an Allegro datafile. SYNOPSIS
#include <allegro.h> FONT *load_dat_font(const char *filename, RGB *pal, void *param) DESCRIPTION
Loads a FONT from an Allegro datafile. You can set param parameter to point to an array that holds two strings that identify the font and the palette in the datafile by name. The first string in this list is the name of the font. You can pass NULL here to just load the first font found in the datafile. The second string can be used to specify the name of the palette associated with the font. This is only returned if the pal parameter is not NULL. If you pass NULL for the name of the palette, the last palette found before the font was found is returned. You can also pass NULL for param, which is treated as if you had passed NULL for both strings separately. In this case, the function will simply load the first font it finds from the datafile and the palette that precedes it. For example, suppose you have a datafile named `fonts.dat' with the following contents: FONT FONT_1_DATA FONT FONT_2_DATA FONT FONT_3_DATA PAL FONT_1_PALETTE PAL FONT_2_PALETTE Then the following code will load FONT_1_DATA as a FONT and return FONT_1_PALETTE as the palette: FONT *f; PALETTE pal; char *names[] = { "FONT_1_DATA", "FONT_1_PALETTE" } f = load_dat_font("fonts.dat", pal, names); If instead you want to load the second font, FONT_2, from the datafile, you would use: FONT *f; PALETTE pal; char *names[] = { "FONT_2_DATA", "FONT_2_PALETTE" } f = load_dat_font("fonts.dat", pal, names); If you want to load the third font, but not bother with a palette, use: FONT *f; char *names[] = { "FONT_3_DATA", NULL } f = load_dat_font("fonts.dat", NULL, names); RETURN VALUE
Returns a pointer to the font or NULL on error. Remember that you are responsible for destroying the font when you are finished with it to avoid memory leaks. SEE ALSO
register_font_file_type(3alleg4), load_font(3alleg4) Allegro version 4.4.2 load_dat_font(3alleg4)
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