Re: [gentoo-user] File replication

2006-08-28 Thread Neil Bothwick
On Mon, 28 Aug 2006 19:09:11 +0800 (CST), Stephen Liu wrote: > Whether -u update will do incremental copying for those files having > been updated That's not what -u does, rsync does incremental copying by default, read the man page. -- Neil Bothwick Bald spot? No -- solar panel for brain pow

Re: [gentoo-user] File replication

2006-08-28 Thread Stephen Liu
Hi Valerio, > Try to add --delete. Could you please provide more detail? TIA B.R. SL > On 8/28/06, Stephen Liu <[EMAIL PROTECTED]> wrote: > > Hi Neil, > > > > > In the rsync man page. > > > > > > rsync -ax ~/ /mnt/extdisk/myhome/ > > > > > > should do it. > > > > On which file of cron shall I

Re: [gentoo-user] File replication

2006-08-28 Thread Roger Luethi
On Mon, 28 Aug 2006 15:26:09 +0800, Stephen Liu wrote: > > If you want to synchronize (i.e. update > > to the latest version, no matter where it is), try unison. > > Whether you suggested; > Unison > File Synchronizer > http://www.cis.upenn.edu/~bcpierce/unison/ Yes. One of the more underestimate

Re: [gentoo-user] File replication

2006-08-28 Thread Valerio daelli
Try to add --delete. Valerio Daelli On 8/28/06, Stephen Liu <[EMAIL PROTECTED]> wrote: Hi Neil, > In the rsync man page. > > rsync -ax ~/ /mnt/extdisk/myhome/ > > should do it. On which file of cron shall I add following line to rsync /mnt/extdisk/myhome/ quarterly? 0,15,30,45 * * * * rsync

Re: [gentoo-user] File replication

2006-08-28 Thread Stephen Liu
Hi Neil, > In the rsync man page. > > rsync -ax ~/ /mnt/extdisk/myhome/ > > should do it. On which file of cron shall I add following line to rsync /mnt/extdisk/myhome/ quarterly? 0,15,30,45 * * * * rsync -ax ~/ /mnt/extdisk/myhome/ Whether -u update will do incremental copying for those fil

Re: [gentoo-user] File replication

2006-08-28 Thread Neil Bothwick
On Sun, 27 Aug 2006 23:26:57 +0800 (CST), Stephen Liu wrote: > Where can I find similar syncing and cron script examples? TIA In the rsync man page. rsync -ax ~/ /mnt/extdisk/myhome/ should do it. -- Neil Bothwick RAM = Rarely Adequate Memory signature.asc Description: PGP signature

Re: [gentoo-user] File replication

2006-08-28 Thread Stephen Liu
Hi Roger, Tks for your advice. > If you want to synchronize (i.e. > update > to the latest version, no matter where it is), try unison. Whether you suggested; Unison File Synchronizer http://www.cis.upenn.edu/~bcpierce/unison/ I'm trying to find out whether real time synchronization is possible

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Rumen, Tks for your advice. > Not very sure that's what you want, but check: sys-cluster/drbd. > Description: mirror/replicate block-devices across a > network-connection (requires a network connection though). sync+cron can do the job, incremental-copying files from /home/user on to

Re: [gentoo-user] File replication

2006-08-27 Thread Rumen Yotov
On Sun, 27 Aug 2006 23:26:57 +0800 (CST) Stephen Liu <[EMAIL PROTECTED]> wrote: > Hi Neil, > > > Shutdown involves unmounting the drive, and I recommended syncing > > before unmounting. > > The USB enclosure will be automatically mounted/umounted. > > Whether on the script includes syncing once

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Neil, > Shutdown involves unmounting the drive, and I recommended syncing > before unmounting. The USB enclosure will be automatically mounted/umounted. Whether on the script includes syncing once before poweroff/reboot starts. Where can I find similar syncing and cron script examples? TIA

Re: [gentoo-user] File replication

2006-08-27 Thread Neil Bothwick
On Sun, 27 Aug 2006 22:14:25 +0800 (CST), Stephen Liu wrote: > > but I still don't > > see > > why you need real-time mirroring. A script to sync the drive before > > unmounting would give you an accurate mirror. A cron script to check > > if > > the drive is mounted and sync it every hour would c

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Neil, > but I still don't > see > why you need real-time mirroring. A script to sync the drive before > unmounting would give you an accurate mirror. A cron script to check > if > the drive is mounted and sync it every hour would cut down on the > amount > of data to sync when unmounting. If r

Re: [gentoo-user] File replication

2006-08-27 Thread Etaoin Shrdlu
On Sunday 27 August 2006 13:39, Stephen Liu wrote: > The PCs, a workstation only, are not connected to network. Neither > I'll run 2/3 PCs simultaneously. Ok, I didn't have this info. > Previously I did it in this way making use of an addtional network > card connecting 2 PCs. Later I ceased u

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Etaoin, Tks for your advice. > If you have networking, why not set up a network share of some kind > (nfs, > smb, or even ssh via shfs) and mount it (under the same path) from > each > computer you work on? This avoid having to replicate data and, with > decent network speed, is nearly as f

Re: [gentoo-user] File replication

2006-08-27 Thread Etaoin Shrdlu
On Sunday 27 August 2006 12:20, Stephen Liu wrote: > Mounted inside the USB enclosure is a HD. I'll use old HD for this > purpose. Frequently I work on at least 2 PCs running different Linux > OS. With such a device, USB enclosure, it'll ease my work on > consolidating the working data on 2 PCs

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Neil, > Do you really need such frequent syncing? Bear in mind the limited > write > lifespan of flash memory, if you have a file in your home directory > that > is frequently updated, you could wear out the memory in a short time. > what's wrong with using a script that syncs your hard disk wi

Re: [gentoo-user] File replication

2006-08-27 Thread Neil Bothwick
On Sun, 27 Aug 2006 16:55:17 +0800 (CST), Stephen Liu wrote: > > setup cron to just sync the two directories (/home/blah with > > /mnt/disk/blah) over and over? > > Such an arrangement will only sync /home/user on > /mnt/usb_enclosure/user at fixed time, periodically, not instaneously > whenev

Re: [gentoo-user] File replication

2006-08-27 Thread Stephen Liu
Hi Bryan, Tks for your advice. > Why not just use rsync? > > setup cron to just sync the two directories (/home/blah with > /mnt/disk/blah) over and over? Such an arrangement will only sync /home/user on /mnt/usb_enclosure/user at fixed time, periodically, not instaneously whenever there is a

Re: [gentoo-user] File replication

2006-08-26 Thread Stephen Liu
Hi Robert, Tks for your advice. > What about a perl script that just copies all files in /home/user to > the > device once it is plugged in? I'm not a programmer nor very acknowledgeable on perl. Could you please shed me some guide how to start. What I need is on saving a new file or edited f

Re: [gentoo-user] File replication

2006-08-26 Thread Robert Welz
Neil Bothwick wrote: On Sat, 26 Aug 2006 08:49:23 +0800 (CST), Stephen Liu wrote: I'm searching a tool/method whenever I save a file on /home/user a duplicate copy will be saved automatically on /mnt/point/of/usb_enclosure/home/user simultaneously, similar to replication/mirroring. Thus the U

Re: [gentoo-user] File replication

2006-08-26 Thread Neil Bothwick
On Sat, 26 Aug 2006 08:49:23 +0800 (CST), Stephen Liu wrote: > I'm searching a tool/method whenever I save a file on /home/user a > duplicate copy will be saved automatically on > /mnt/point/of/usb_enclosure/home/user simultaneously, similar to > replication/mirroring. Thus the USB enclosure can

Re: [gentoo-user] File replication

2006-08-25 Thread Michael Crute
On 8/25/06, Stephen Liu <[EMAIL PROTECTED]> wrote: Hi folks, I'm prepared using an USB enclosure for data stroage. I'm searching a tool/method whenever I save a file on /home/user a duplicate copy will be saved automatically on /mnt/point/of/usb_enclosure/home/user simultaneously, similar to re

[gentoo-user] File replication

2006-08-25 Thread Stephen Liu
Hi folks, I'm prepared using an USB enclosure for data stroage. I'm searching a tool/method whenever I save a file on /home/user a duplicate copy will be saved automatically on /mnt/point/of/usb_enclosure/home/user simultaneously, similar to replication/mirroring. Thus the USB enclosure can be