Em 19-10-2011 18:29, Karl Vogel escreveu:

>>> On Tue, 18 Oct 2011 17:54:32 +0100, Lisi<lisi.reisz_at_gmail.com>  said:

>>>        

> L>  I have just acquired a one T HDD for use as an external HDD.  I now need

> L>  to decide how to partition it. [...] Would it be feasible to have one

> L>  large partition on the drive, and then use directories rather than

> L>  partitions for the different back-ups?

>

>     Yes.  I've been using 1.5Tb Seagate drives for a backup server, and they

>     work fine with one large or two smaller partitions:

>

>       Filesystem  1M-blocks     Inodes  Mounted

>        /dev/sda2    1372701  362774528   /data1

>        /dev/sdb6     699594   11216896   /data2

>        /dev/sdb7     699601   11216896   /data3

>

>     I used "mkfs.ext3 -J size=400 -i 65536 -m 2" when creating the sdb

>     filesystems, which gave me an extra 27Gb by creating one inode per 64K

>     and only reserving 2% for overflow.  I get better performance by using

>     the deadline scheduler and setting vm.swappiness = 10.

>

> L>  Could I do this with cp (obviously), dd, rsync, Clonezilla, or even

> L>  something I don't know about yet?

>

>     Sure, cp for the initial copy and then rsync for changes.

>

> L>  And what filing system? [...] My box is ill, possibly unto death.

>

>     In that case, now's not the time to experiment.  Use something familiar,

>     and play around *after* your stuff is safely backed up.

>

>    

ext4 is backwards compatible with ext3.

I can assure you that making more than one primary partition is NOT a 

good idea. If you feel like making more than one partition, make sure 

you make them all logic partitions. If you use it for backups I don't 

see a reason to use LVM. My guess is that the best idea would be make 

only one partition, but since hard disks are always fail-imminent, maybe 

making more than one logic partition could help you whenever you need to 

recover lost files.

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