Jui-Nan Lin's Blog » snapshot http://en.jnlin.org My Mumuring in English, about Un*x, FreeBSD, Network in Taiwan Sat, 07 Nov 2009 03:42:11 +0000 en hourly 1 http://wordpress.org/?v=3.0 FreeBSD gjournal and UFS snapshot http://en.jnlin.org/2008/02/29/3/ http://en.jnlin.org/2008/02/29/3/#comments Thu, 28 Feb 2008 16:33:53 +0000 jnlin http://en.jnlin.org/?p=3 Recently I am testing a new feature in FreeBSD 7.0: gjournal. However, taking a snapshot on a journalized ufs causes kernel panic. (Size of the RAID is 5TB)

panic

And I cannot write into the filesystem when I am taking a snapshot, and ever can not read data from it. We should use ZFS or NetApp when we need filesystem snapshot in FreeBSD…

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