Date: Wed, 1 Dec 2010 10:27:46 +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: <AANLkTim7aC4P1q34saSC9_G-LLWa=q1nnxb%2Bu-7bFs%2BY@mail.gmail.com> In-Reply-To: <AANLkTikPwubp98MfUcaRSx2NOvm8Nmrg1HMaA0Kw-kCz@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> <4CF5F5F8.9070408@gmail.com> <AANLkTikPwubp98MfUcaRSx2NOvm8Nmrg1HMaA0Kw-kCz@mail.gmail.com>
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2010/12/1 Paul B Mahol <onemda@gmail.com>: > On 12/1/10, David Demelier <demelier.david@gmail.com> wrote: >> On 30/11/2010 23:29, Paul B Mahol wrote: >>> On 11/30/10, David DEMELIER<demelier.david@gmail.com> =C2=A0wrote: >>>> 2010/11/30 Paul B Mahol<onemda@gmail.com>: >>>>> On 11/30/10, David DEMELIER<demelier.david@gmail.com> =C2=A0wrote: >>>>>> 2010/11/30 Patrick Lamaiziere<patfbsd@davenulle.org>: >>>>>>> Le Tue, 30 Nov 2010 21:45:03 +0100, >>>>>>> David Demelier<demelier.david@gmail.com> =C2=A0a 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: >>>>>> # =C2=A0 =C2=A0 =C2=A0 =C2=A0size =C2=A0 offset =C2=A0 =C2=A0fstype = =C2=A0 [fsize bsize bps/cpg] >>>>>> =C2=A0 =C2=A0a: =C2=A010m =C2=A0 =C2=A0 =C2=A0 16 =C2=A0 =C2=A04.2BS= D =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0b: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0d: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0e: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0f: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0g: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0h: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0i: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0j: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> =C2=A0 =C2=A0k: =C2=A010m =C2=A0 =C2=A0 =C2=A0 * =C2=A0 =C2=A04.2BSD= =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 >>>>>> >>>>>> =C2=A0 =C2=A0c: =C2=A02047973 =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 = =C2=A0unused =C2=A0 =C2=A0 =C2=A0 =C2=A00 =C2=A0 =C2=A0 0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 # "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=3D/dev/zero of=3Dmyfile.img bs=3D1m count= =3D100 >>>> 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 >> > > Looks like max number is 20, up to md2s1t. > Yes I saw that it was only 20 max, so how to get 26 partitions using bsdlabel ? :-) Cheers, --=20 Demelier David
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