Rob Owens wrote:
>>>
>>> In the past you've talked about using software RAID 1 with hotplugable
>>> drives. Have you tried it? Does it work well? And would it work
>>> with USB drives?
>>>
>> Yes, the way I am doing it is with a Linux software RAID1 created with 3
>> members with one specified as 'missing'. There are 2 internal drives
>> that always stay in sync, and a pair of external drives that are rotated
>> in weekly as the 3rd member, then when the sync is completed I briefly
>> stop backuppc, unmount the partition, then fail and remove the external
>> drive from the raid. This does work and I think it is reliable. You
>> can leave it mounted while while the sync happens although it slows down
>> a lot if a backup is running. I use dual interface firewire/USB external
>> drives that normally take about 2 hours to sync a 250 gig partition over
>> firewire, and can mount it via USB in my laptop for immediate restores.
> To restore from your laptop, you obviously need to have BackupPC
> installed (I think). Is there any other special configuration required,
> other than symlinking /var/lib/backuppc to point to the USB drive?
I installed from scratch under /opt/backuppc back in the 2.x days when
pretty much the whole install went where you told it, and /opt/backuppc
is the mount point for my raid partition. The laptop does have a
matching install but about the only things that don't move with the
drive are the cgi-bin script and the installed perl modules. The Linux
File System committee may have a few good ideas when they shuffle files
around every few years but they don't quite get it in terms of making it
easy to move individual applications to a new home. If you have a
distribution that splatters files all over the place you'll want to add
a script to make sure you have up to date copies on the removable drive
and they are put in the right places when you want to use it elsewhere.
--
Les Mikesell
[EMAIL PROTECTED]
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