Date: Thu, 16 Aug 2007 09:10:12 -0400 From: John Nielsen <lists@jnielsen.net> To: freebsd-questions@freebsd.org, Grant Peel <gpeel@thenetnow.com> Subject: Re: Dump + GZIP Message-ID: <200708160910.14095.lists@jnielsen.net> In-Reply-To: <00b601c7e003$fb1e0200$6501a8c0@GRANT> References: <00b601c7e003$fb1e0200$6501a8c0@GRANT>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thursday 16 August 2007, Grant Peel wrote: > Can I safely pump a filesystem dump through gzip during the dumping > process?, or di I need to create the dump first then gzip it after? I do it all the time: dump -f - ... | gzip > date_filesystem.dump.gz or with bzip2: dump -f - ... | bzip2 > date_filesystem.dump.bz2 > Does zipping the dumps cause any headaches at restore time? Nope: bzcat date_filesystem.dump.bz2 | restore ... -f - > (I currently dump 5 servers worth of data to a raid 5 array, and am about > 20% away from running out of disk space). > > Does gzipping a file give a decent compression ratio? Depends on what you're compressing, but generally yes. bzip2 generally compresses better but takes a lot more time, CPU and memory at compression time. JN
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200708160910.14095.lists>