Date: Wed, 01 Dec 2010 08:15:04 +0100 From: David Demelier <demelier.david@gmail.com> To: Paul B Mahol <onemda@gmail.com> Cc: Patrick Lamaiziere <patfbsd@davenulle.org>, freebsd-questions@freebsd.org Subject: Re: 8 partitions maximum Message-ID: <4CF5F5F8.9070408@gmail.com> In-Reply-To: <AANLkTikUu0ajKwOsN5t-SzTK1ZOCLDEbXfsT8w5BTnF5@mail.gmail.com> References: <4CF5624F.4020901@gmail.com> <20101130221550.2cf6d726@davenulle.org> <AANLkTikrWwS%2B08ERB5xHRLb3gXj6=Y_GdVTNGVvx__=T@mail.gmail.com> <AANLkTikdNwNZ=vMi6jp-9o2OcXQaeAT6f6RNVmYF8T=C@mail.gmail.com> <AANLkTikZg=X0Mo0RyN599T4-Se0TEUz8uvZ0cxzd3RBW@mail.gmail.com> <AANLkTikUu0ajKwOsN5t-SzTK1ZOCLDEbXfsT8w5BTnF5@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 30/11/2010 23:29, Paul B Mahol wrote: > On 11/30/10, David DEMELIER<demelier.david@gmail.com> wrote: >> 2010/11/30 Paul B Mahol<onemda@gmail.com>: >>> On 11/30/10, David DEMELIER<demelier.david@gmail.com> wrote: >>>> 2010/11/30 Patrick Lamaiziere<patfbsd@davenulle.org>: >>>>> Le Tue, 30 Nov 2010 21:45:03 +0100, >>>>> David Demelier<demelier.david@gmail.com> a ecrit : >>>>> >>>>>> Hello, >>>>> Hello, >>>>> >>>>>> We all know that we can only have 8 ufs partitions in one freebsd >>>>>> slice. Since OpenBSD and NetBSD can support at most 32 partitions >>>>>> iirc. >>>>>> >>>>>> I wonder why FreeBSD still lacks more ufs partitions in one slice? >>>>>> >>>>>> Is there any plan to grow up max partitions or every work is >>>>>> dedicated to ZFS? >>>>> hmmm, isn't already done in 8.X ? >>>>> from what's cooking for FreeBSD 8.0 >>>>> http://ivoras.sharanet.org/freebsd/freebsd8.html >>>>> << >>>>> bsdlabel gets extended to 26 partitions >>>>> >>>>> Status: Committed to -CURRENT >>>>> Will appear in 8.0: sure >>>>> Author: Marcel Moolenaar >>>>> Web: commit message >>>>> >>>>> bsdlabel is (finally!) extended to support more than 8 partitions. The >>>>> new limit of 26 partitions comes from the number of lower-case letters. >>>>> >>>>> To make use of this change, GEOM_PART needs to be used instead of >>>>> GEOM_BSD (this is default in 8.0 but will not work with older kernels). >>>> I don't have GEOM_PART in my kernel, but if you said it's default it >>>> should be pulled in. >>>> >>>>> Regards. >>>>> _______________________________________________ >>>>> freebsd-questions@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>>>> To unsubscribe, send any mail to >>>>> "freebsd-questions-unsubscribe@freebsd.org" >>>>> >>>> But why : >>>> >>>> # /dev/md2s1: >>>> 8 partitions: >>>> # size offset fstype [fsize bsize bps/cpg] >>>> a: 10m 16 4.2BSD 0 0 >>>> b: 10m * 4.2BSD 0 0 >>>> d: 10m * 4.2BSD 0 0 >>>> e: 10m * 4.2BSD 0 0 >>>> f: 10m * 4.2BSD 0 0 >>>> g: 10m * 4.2BSD 0 0 >>>> h: 10m * 4.2BSD 0 0 >>>> i: 10m * 4.2BSD 0 0 >>>> j: 10m * 4.2BSD 0 0 >>>> k: 10m * 4.2BSD 0 0 >>>> >>>> c: 2047973 0 unused 0 0 # "raw" part, >>>> don't >>>> edit >>>> >>>> line 11: partition name out of range a-h: i >>>> line 12: partition name out of range a-h: j >>>> line 13: partition name out of range a-h: k >>>> re-edit the label? [y]: >>>> >>>> I'm on 8.1-RELEASE. >>> To make use of such feature you need to recreate table with gpart(8). >>> >>> bsdlabel is not going to work. >>> >> markand@Melon ~ $ sudo dd if=/dev/zero of=myfile.img bs=1m count=100 >> 100+0 records in >> 100+0 records out >> 104857600 bytes transferred in 2.095537 secs (50038530 bytes/sec) >> markand@Melon ~ $ sudo mdconfig -a -f myfile.img -u 2 >> markand@Melon ~ $ sudo gpart create -s MBR md2 >> md2 created >> markand@Melon ~ $ sudo gpart show md2s1 >> gpart: No such geom: md2s1. >> markand@Melon ~ $ sudo gpart add -t freebsd md2 >> md2s1 added >> markand@Melon ~ $ sudo gpart add -t freebsd-ufs md2s1 >> gpart: No such geom: md2s1. >> markand@Melon ~ $ sudo gpart create -s BSD md2s1 > gpart create -s BSD -n 26 md2s1 markand@Melon ~ $ sudo gpart create -s BSD -n 26 md0s1 gpart: entries '26': Invalid argument markand@Melon ~ $ sudo gpart create -s BSD -n 8 md0s1 md0s1 created
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4CF5F5F8.9070408>