Expand ufs Filesystems Post: 302252431

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

10-29-2008

Registered User

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

atogunde

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mfontset_lookup

mfontset_lookup(3m17n)						 The m17n Library					    mfontset_lookup(3m17n)

NAME

       mfontset_lookup - Lookup a fontset.

SYNOPSIS

       MPlist * mfontset_lookup (MFontset * fontset, MSymbol script, MSymbol language, MSymbol charset)

DESCRIPTION

       Lookup a fontset. The mfontset_lookup() function lookups fontset and returns a plist that describes the contents of fontset corresponding
       to the specified script, language, and charset.

       If script is Mt, keys of the returned plist are script name symbols for which some fonts are specified and values are NULL.

       If script is a script name symbol, the returned plist is decided by language.

       o If language is Mt, keys of the plist are language name symbols for which some fonts are specified and values are NULL. A key may be Mt
	 which means some fallback fonts are specified for the script.
       o If language is a language name symbol, the plist is a FONT-GROUP for the specified script and language.  FONT-GROUP is a plist whose keys
	 are FLT (FontLayoutTable) name symbols (Mt if no FLT is associated with the font) and values are pointers to MFont.
       o If language is Mnil, the plist is fallback FONT-GROUP for the script.
       If script is Mnil, the returned plist is decided as below.
       o If charset is Mt, keys of the returned plist are charset name symbols for which some fonts are specified and values are NULL.
       o If charset is a charset name symbol, the plist is a FONT-GROUP for the charset.
       o If charset is Mnil, the plist is a fallback FONT-GROUP.
RETURN VALUE

	   It returns a plist describing the contents of a fontset. The plist should be freed by m17n_object_unref().
COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
       <http://www.gnu.org/licenses/fdl.html>.

Version 1.6.2							    12 Jan 2011 					    mfontset_lookup(3m17n)