Ext2resize: mipws kserei kaneis?

[Giorgos Keramidas]

On Thu, Jan 13, 2000 at 04:13:26PM +0200, Michalis Kabrianis wrote:
> On 13-Jan-2000 Kostas Gewrgiou wrote:
> > On Thu, 13 Jan 2000, Michalis Kabrianis wrote:
> >> Yparxei kati pou den katalaba? Kserei kaneis pws mporw na kopsw kai to
> >> partition twra? 
> >> 
> >> TIA
> >> 
> >> Michalis Kabrianis
> >> 
> >   Apla kaneis delete to palio partition kai create ena neo me to sosto
> > megethos. 
> 
> Mipws mporeis na mou eksigiseis kai giati xreiazomouna to ext2resize
> gia na to kanw ayto?  Fantazomouna oti ayti i istoria tha ginotan
> xwris na xasw dedomena, kai xwris na xreiazomai backup / restore.

Giati to superblock backup to ext2 to krataei se sugkekrimena mern mesa
se olo to mnkos tou filesystem.  Etsi otan to mke2fs kserei pos to
partition einai mege8ous X blocks, mporei na sou krathsei sto X - 1
kapoio backup tou superblock an to noumero tou block tou aresei kapws.

Kanontas resize to filesystem, ousiastika allakses tin thesi se apoluta
blocks mesa sto partition pou exoun pragmati graftei superblock
backups, i-node tables, kai data blocks.  Auto omws den exei kamia
sxesi me to pragmatiko megethos tou partition (entaksei exei mia,
prepei na einai toulaxiston mikrotero, an kai sinithos einai to idio).

Na snmeiothei edw omws pos i apodosi enos ext2 otan to kaneis resize,
peftei katakorufa.  Einai polles fores protimotero na kaneis ena full
backup tou partition, na to dialuseis kai na ftiakseis to partition
table sou opws theleis, na ksana mke2fs to neo partition kai restore
apo panw to backup.  Auto bebaia exei kapoio downtime pou einai kapws
etsi asxnmo ligo, alla to filesystem sou einai panta in-shape an to
kaneis etsi ;)

-- 
Giorgos Keramidas, < keramida @ ceid . upatras . gr >
"What we have to learn to do, we learn by doing." [Aristotle]
--
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