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From: arisawa <arisawa@ar.aichi-u.ac.jp>
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Date: Mon, 25 Mar 2013 12:14:32 +0900
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To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Disk backup?
Topicbox-Message-UUID: 33c2a588-ead8-11e9-9d60-3106f5b1d025

that takes so long time.

it is better to have efficient backup tool. (but not exists yet though)
cwfs is not so easy to backup compared to venti.
venti is easy to backup because filled areas are shielded and guaranteed =
not to be modified.
but cwfs is not. unwritten blocks exist in deep dumped area.=20
these blocks might be written in future.

On 2013/03/25, at 11:04, trebol <trebol55555@yahoo.es> wrote:

>> if you can afford it, i'd make a periodic copy of the dump device to
>> another disk in the same machine.  i might even consider just copying
>> the whole disk.
>=20
> I've had bad experiences with CDs and DVDs, so I'm going to follow
> your advise and just copy the whole dump device; and keep reading the
> documentation, but I think in the future I'll ask the list about the
> correct restoration of the dump.
>=20
> Thanks a lot!
>=20
> trebol.
>=20