Date: Thu, 27 Apr 2006 00:50:23 +0800 From: Kent Ho <kent@outblaze.com> To: freebsd-fs@freebsd.org Subject: Do I need to reserve disk space for UFS snapshots? Message-ID: <444FA4CF.7040507@outblaze.com>
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Hi, I'm planing to use FreeBSD snapshots. It seems to be the snapshop image is placed on the same file system. The question is how do I manage or reserve space for the snapshots? Can someone give me some guidelines or pointers. Here's my netapp it has a separate area allocated for the snapshots, I'm keeping 2 weekly snapshots in there(weekly.0 & weekly.1) using around 30G. Filesystem kbytes used avail capacity Mounted on /vol/vol0/ 305052552 272495320 32557232 89% /vol/vol0/ /vol/vol0/.snapshot 76263136 30658028 45605108 40% /vol/vol0/.snapshot Filesystem iused ifree %iused Mounted on /vol/vol0/ 10802387 89822586 11% /vol/vol0/ If copy all content in vol0 to a FreeBSD and make 2 snapshot will it be around the same? 272G + 30G = 302G? So if I df on the FreeBSD box around 302G will be used? Any help and information is highly appreciated. Many thanks. Kent.
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