Date: Wed, 08 Oct 2008 10:14:58 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: "Zaphod Beeblebrox" <zbeeble@gmail.com> Cc: Volker <volker@vwsoft.com>, Evren Yurtesen <yurtesen@ispro.net>, hackers@freebsd.org Subject: Re: continuous backup solution for FreeBSD Message-ID: <86iqs3sdtp.fsf@ds4.des.no> In-Reply-To: <5f67a8c40810070937r5ba89773ncee407ace25fa0dd@mail.gmail.com> (Zaphod Beeblebrox's message of "Tue, 7 Oct 2008 12:37:37 -0400") References: <48E9E1BB.6020908@ispro.net> <48EA56BB.6040702@vwsoft.com> <48EA8B3A.3090609@ispro.net> <861vysiv9i.fsf@ds4.des.no> <5f67a8c40810070937r5ba89773ncee407ace25fa0dd@mail.gmail.com>
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"Zaphod Beeblebrox" <zbeeble@gmail.com> writes: > "Dag-Erling Sm=C3=B8rgrav" <des@des.no> writes: > > What really annoys me with this thread is that nobody has provided > > any information at all that would allow someone to understand what > > needs to be done and estimate how hard it would be. > Well... I hinted that a hammer port would be sufficient (although they > need to finish their replication design) and I hinted that the hammer > approach may be graftable to ZFS. Both reasonably large effort-wise > (but probably within the scope of a single developer with sufficient > time). No... you're so far off the mark it's not even funny, especially when it's been repeatedly pointed out to you. This is not a file system, it's a backup system. It's not designed to survive a disk crash or an accidental file deletion, it's designed to survive a direct missile strike on your colo center. To quote Wikipedia, "CDP is a service that captures changes to data to a separate storage location" - emphasis on "separate". DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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