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From: David Combs on 23 Jun 2008 18:26 In article <g29ilk$2bb$1(a)bluegill.adi.com>, Thomas Schulz <schulz(a)adi.com> wrote: >In article <g2739f$mb5$1(a)reader2.panix.com>, >David Combs <dkcombs(a)panix.com> wrote: >>In article <bYednZuySIkfsdjVnZ2dnUVZ_tfinZ2d(a)comcast.com>, >>Richard B. Gilbert <rgilbert88(a)comcast.net> wrote: >>... >>> >>>I believe, that we would call a skip a "dumpster"! Ultra 5s make high >>>tech doorstops! I have one that I haven't powered up in several years! >>>It was the first Sun box I ever owned but I have replaced it with an >>>Ultra 10; same MOBO but bigger power supply and more physical space to >>>install RAM (the 256 MB DIMMs won't fit in the Ultra 5), two hard drive >>>bays instead of one, etc. >> >>OOPS! Ultra TWENTY-5. the one they came out with just last year >>or so. >> >>What do I know about these things? Three names, so far: sun 3/160 (1986) >>("rack" went up to the ceiling), then the wonderful sparstation 5, >>and now the blade100, which just went past end of life (no sunservice >>available any more). And each time, only one of them. >> >>Thanks so much for explaining that skip term, guys. Would be a bit >>embarrassing trying to order the "super-fast" ultra 5! >> >> >>Back to the main question: This symlink-scheme outta work, right? > > >It may not work correctly. If some patch runs a package check then >the fact that a directory was replaced by a symlink will show up and >cause problems. Better might be a loopback mount. Looks interesting. Looks VERY intersting! If only I understood it? :-( I could sure use some education on this -- and I bet there are others here just like me! Thanks! David
From: Reginald Beardsley on 23 Jun 2008 22:38 David Combs wrote: [snip] > > Looks interesting. Looks VERY intersting! If only I understood it? :-( > > > I could sure use some education on this -- and I bet there are others > here just like me! > > > > Thanks! > > David > > David, Surprisingly easy. This is a commented console log from doing it on my system. RTFM of course ;-) 1) create a large file somwhere # dd if=/dev/zero of=zero.dat bs=1024k count=1024 1024+0 records in 1024+0 records out 2) associate a block device w/ the file # lofiadm -a /scr/tmp/zero.dat /dev/lofi/2 3) create a filesystem on the block device # newfs /dev/lofi/2 /dev/rlofi/2: Unable to find Media type. Proceeding with system determined parameters. newfs: construct a new file system /dev/rlofi/2: (y/n)? y /dev/rlofi/2: 2097000 sectors in 3495 cylinders of 1 tracks, 600 sectors 1023.9MB in 219 cyl groups (16 c/g, 4.69MB/g, 2240 i/g) super-block backups (for fsck -F ufs -o b=#) at: 32, 9632, 19232, 28832, 38432, 48032, 57632, 67232, 76832, 86432, 2006432, 2016032, 2025632, 2035232, 2044832, 2054432, 2064032, 2073632, 2083232, 2092832 4) mount the file system in the desired place # mount -F ufs /dev/lofi/2 /mnt 5) verify it's there # df -h Filesystem size used avail capacity Mounted on [snip] /usr/lib/libc/libc_hwcap2.so.1 32G 16G 15G 52% /lib/libc.so.1 /dev/lofi/2 961M 1.0M 902M 1% /mnt Pretty cool, huh? Have Fun! Reg
From: David Combs on 24 Jun 2008 23:23
In article <48605e19$0$4086$bbae4d71(a)news.suddenlink.net>, Reginald Beardsley <user(a)example.net> wrote: >David Combs wrote: > >[snip] > >> >> Looks interesting. Looks VERY intersting! If only I understood it? :-( >> >> >> I could sure use some education on this -- and I bet there are others >> here just like me! >> >> >> >> Thanks! >> >> David >> >> > >David, > >Surprisingly easy. This is a commented console log from doing it on my >system. RTFM of course ;-) > >1) create a large file somwhere > > # dd if=/dev/zero of=zero.dat bs=1024k count=1024 > 1024+0 records in > 1024+0 records out > >2) associate a block device w/ the file > > # lofiadm -a /scr/tmp/zero.dat > > /dev/lofi/2 > >3) create a filesystem on the block device > > # newfs /dev/lofi/2 > /dev/rlofi/2: Unable to find Media type. Proceeding with > system determined parameters. > newfs: construct a new file system /dev/rlofi/2: (y/n)? y > > /dev/rlofi/2: 2097000 sectors in 3495 cylinders of 1 tracks, 600 > sectors > 1023.9MB in 219 cyl groups (16 c/g, 4.69MB/g, 2240 i/g) >super-block backups (for fsck -F ufs -o b=#) at: > 32, 9632, 19232, 28832, 38432, 48032, 57632, 67232, 76832, 86432, > 2006432, 2016032, 2025632, 2035232, 2044832, 2054432, 2064032, 2073632, > 2083232, 2092832 > >4) mount the file system in the desired place > > # mount -F ufs /dev/lofi/2 /mnt > >5) verify it's there > > # df -h > Filesystem size used avail capacity Mounted on > > [snip] > > /usr/lib/libc/libc_hwcap2.so.1 > 32G 16G 15G 52% /lib/libc.so.1 > /dev/lofi/2 961M 1.0M 902M 1% /mnt > > >Pretty cool, huh? > >Have Fun! >Reg Thanks! Now I go study it! David |